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185101(GE2111) Engineering Graphics 1 — QUESTION BANK

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Subject Name
:
ENGINEERING GRAPHICS
Code
:
GE2111
Year
:
I
Semester
:
I
QUESTION BANK

PROJECTION  OF POINTS


1.  Draw the projections of the following points on the same reference straight line:
A-    10 mm above HP and 20mm in front of VP.
B-    20 mm above HP and 30mm behind of VP.
C-    30mm below HP and 40mm behind VP.
D-    40mm below HP and 50 mm in front of VP.
E-     On HP and 20mm behind VP
F-     On VP and 25mm below HP.
G-    On both HP and VP.
H-    20mm above HP and 20mm behind VP.



2. The Figure shows the projection of   different points. Determine the position of the points with respect to the projection planes. All distances are in mm.
                                                                         
                                                 

PROJECTION OF STRAIGHT LINES



  1. A line AB 60mm long has its end A10mm above HP and 20mm in front of VP. The line is kept perpendicular to HP and parallel to VP. Draw its projections.

  1. A line BC 40mm has its end B 25mm above HP and 30mm in front of VP. The line is kept perpendicular to VP and parallel to HP. Draw its projections.


STRAIGHT LINE INCLINED TO ONE PLANE ONLY


  1. A line DE 35mm long has its end D 5mm above HP and 10mm in front of VP. The line is kept inclined at 30° to HP and parallel to VP. Draw its projections.

  1. A line EF 70mm long has its end E 40mm above HP and 20mm in front of VP. The line is inclined at  60° to VP and parallel to HP. Draw its projections.

  1. A line FG 65mm long has its end F 25mm above HP and on VP. The line is inclined at 45° to HP. Draw its projections.

  1. A line GH 35mm long has its end G 20mm in front of VP and on HP. The line is inclined at 35° to VP. Draw its projections.

  1. A line PQ 70mm long has its end P 15mm above HP and 25mm in front of VP. The top view measures 40mm.Draw its projections and find the inclination of the line with HP.

  1. A line QR 65mm long has its end Q 20mm above HP and 15mm in front of VP. Its front view has a length of 35mm. Draw the projections and find the inclination of the line with VP.

STRAIGHT LINE INCLINED TO BOTH HP AND VP

      
  1. A straight line AB of length 50 mm is inclined at 30º to HP and 45º to VP. Point A is 15mm above HP and 20mm in front of VP. Draw the projections of the straight line.

10.  A line BC 80mm long has its end B, 15mm from both HP and VP. Other end C is 40mm above HP and 50mm in front of VP. Draw the projections of the line and determine the inclination of the line with HP and VP.


    11.  A line CD 70mm long has its end C 35mm above HP and 30mm in front of VP    
             The top view and the front view has a length of 45mm and 60mm respectively.
             Draw its projections.

  1. A line DE 75mm long has its end D on both HP and VP. The line is kept inclined
       at 45° to HP and 30° to VP. Draw its projections.
   
     13.  One end E of a line EF, 75mm long is 20mm above HP and 25mm in front of VP.
            The line is inclined at 30° to HP and the top view makes 45° with VP. Draw the
             projections of the line and find its true inclination with VP.

14.     A line FG 50mm long has its end F 10mm above HP and 15mm in front of  
       VP. The line is  inclined at 35° to HP and 55° to VP. Draw its projections.
  
15.     A line GH 85mm long has its end G 25mm above HP and 20mm in front of VP.
       End H is 60mm above HP and 50mm in front of VP. Draw the projections and find the inclinations of the line with HP and VP.

16   A line PQ measuring 75mm long has one of its ends, 50mm in front of VP and
      15mm above HP. The top view of the line is 50mm long. Draw and measure the
      front view. The other end is 15mm   in front of VP and is above HP. Determine the
      true inclinations of the line.           

 

17 .A line QR has its end Q 20mm above HP and 25mm in front of VP. The other end R

      is 45mm above HP and 55mm in front of VP. Distance between the end projectors is  

      60mm. Draw its     projections and also find the true length and true inclinations of

      the line with HP and VP.


18. The mid point of the line RS 90mm long is 60mm above HP and 50mm in front of

      VP. It is  inclined at 30°to HP and 45° to VP. Draw its projections.

 

 

PROJECTION OF PLANES


1. A Square plane of side 40mm has its surface parallel to VP and perpendicular to HP. Draw its projections when one of the sides is inclined at 30° to HP.

2. A Circular plane of diameter 50mm has its surface parallel to HP and perpendicular to VP. Its Centre is 20mm above HP and 30mm in front of VP. Draw its projections.

3.. A Pentagonal lamina of side 30mm is placed with one side on HP and the surface inclined at 50° to HP and perpendicular to VP. Draw its projections.

4. A Hexagonal plane of side 30mm is placed with a side on VP and the surface inclined at 45° to VP and perpendicular to HP. Draw its projections.

5. A pentagon of side 30mm rests o the ground on one of its corners with the sides containing the corner being equally inclined to the ground. The side opposite to the corner on which it rests is inclined at 30° to the VP and is parallel to HP. The surface of the pentagon makes 50° with the ground. Draw the top and front views of the pentagon.


6. Pentagonal lamina of side 30mm is resting on one of its edges on HP which is  inclined at 45° to VP.Its surface is inclined to 30° . Draw its projections.



PROJECTION OF SOLIDS


SOLIDS IN SIMPLE POSITION


  1. A Cube of 40mm side rests on HP on one of its ends with a face parallel to VP and 25mm in front of VP. Draw the top and front views of the cube.

  1. A Cube of side 40mm rests on HP on one of its ends with a vertical face inclined at 40° to VP. Draw its projections.

  1. A Cube of side 40mm rests on HP on one of its ends with its vertical faces equally inclined to VP. Draw its projections.


4.      Draw the top and front view of a square pyramid of base side 30mm and altitude 40mm when it is resting on HP on its base with one of the edges of the base inclined at 60° to VP.

  1. Draw the projection of a pentagonal prism of base side 20mm and axis length 35mm when it is resting on HP on its base with one of the edges of the base inclined at 30° to VP.

  1. Draw the projections of a hexagonal pyramid of side of base 30mm and altitude 60mm when it is resting on its base on a HP with an edge of the base inclined at 30° VP.

  1. A square prism of base edge 25mm and axis length 60mm is lying on HP on one of its longer edges with its rectangular faces equally inclined to HP. Draw its projections when the axis is perpendicular to VP and parallel to HP.

  1. A Pentagonal pyramid of base side 30mm and axis length 60mm rests on HP on one corner of the base. The base edge containing that corner makes 40° with HP. Draw its projections when the axis is perpendicular to VP and parallel to HP.

  1. A hexagonal prism of base side 20mm and axis length 50mm lies on HP on one of its rectangular faces with the axis parallel to both HP and VP. Draw its projections.

  1. A pentagonal prism of base side 40mm and axis 60mm long lies on HP on one of its longer edges with its axis parallel to both HP and VP. One of the rectangular faces containing the resting edge is inclined at 30° to HP. Draw its plan and elevation.

AXIS INCLINED TO ONE PLANE AND PARALLEL TO THE OTHER


  1. A hexagonal prism of base side 30mm and axis length 60mm lies on HP on one of its base edges with its axis inclined at 60° to HP and parallel to VP. Draw its projections.

  1. Draw the projections of a cube of side 40mm when it rests on HP on one of its corners and the face containing that corner is inclined at 30° to HP and parallel to HP.

  1. A square prism of base side 35mm and axis length 60mm rests on one of its base edges on HP with its axis inclined at 30° to HP and parallel to VP. Draw its projections.

  1. A cylinder of base diameter 30mm and axis length 50mm is resting on HP on a point of base so that its axis is inclined at 45° to HP and parallel to VP. Draw its front view and top views.

  1. A hexagonal pyramid of base edge 40mm and height 80mm lies on one of its base edges on HP with its axis inclined at 30° to HP and parallel to VP. Draw its projections.

  1. A square pyramid of base side 30mm and height 60mm lies on HP on one of its triangular faces with its axis parallel to VP. Draw its projections.

  1. A pentagonal pyramid of base edge 25mm and axis 60mm long rests on a base side on HP such that the highest base corner is 20mm above HP and its axis is parallel to VP. Draw its projections.

  1. A cone of base diameter 40mm and altitude 60mm rests on HP with its axis inclined at 30° to HP and parallel to VP. Draw its projections.

  1. Draw the projections of a cone of base diameter 50mm and axis length 70mm when it lies on the ground on one of its generators with its axis parallel to VP.

  1. A hexagonal pyramid of base side 30mm and axis length 60mm is resting on HP on one of its base corners with its axis inclined at 35° to VP and parallel to HP. Draw its projections when the base sides containing the resting corner are equally inclined to HP.


SECTION OF SOLIDS


  1. A square prism of base side 30mm and axis length 60mm is resting on HP on one of its faces with a base side inclined at 25° to VP. It is cut by plane inclined at 40° to HP and perpendicular to VP and is bisecting the axis of the prism. Draw its front view, sectional top view and true shape of the section.

  1. A pentagonal pyramid of base side 40mm and axis length 75mm is resting on HP on its base with one of its base sides parallel to VP. It is cut by a plane inclined at 35° to HP and perpendicular to VP and is bisecting the axis. Draw its front view, sectional top view and true shape of the section.

  1. A hexagonal prism of base side 30mm and axis length 60mm is resting on HP on its base with two of the vertical faces perpendicular to VP. It is cut by a plane inclined at 50° to HP and perpendicular to VP and passing through a point at a distance of 12mm from the top face. Draw its front view, sectional top view and true shape of the section.

  1. A cylinder of base diameter 45mm and height 65mm lies on its base on HP. It is cut by a plane perpendicular to VP and inclined at 30° to HP. And meeting the axis at a distance of 30mm from the base. Draw its front view, sectional top view and true shape of the section.

  1. A cone of base diameter 50mm and axis length 75mm is resting on HP on its base .It is cut by a plane inclined at 45° to HP and perpendicular to VP and is bisecting the axis. Draw its front view, sectional top view and true shape of the section.

  1. A hexagonal pyramid of base side 30mm and height 60mm is resting on HP on its base with two of the base sides perpendicular to VP. It is cut by a section plane perpendicular to VP and parallel to and 25mm above HP. Draw its front view and sectional top view.

  1. A square pyramid of base side 30mm and axis length 60mm is resting on HP on its base with one side of the base inclined at 30° to VP. It is cut by a plane perpendicular to VP and parallel to and 15mm above HP. Draw its front view and sectional top view.

  1. A pentagonal prism of base side 30mm and axis length 60mm is resting on HP on one of its rectangular faces with its axis perpendicular to VP. It is cut by a section plane inclined at 40° to VP and perpendicular to HP and passing through a point 25mm from the rear face of the prism. Draw its front view, sectional top view and true shape of the section.


  1. A cone of base diameter 60mm and axis length 70mm is resting on HP on its base. It is cut by a plane perpendicular to VP and parallel to an end generator (contour generator) and is 10mm away from it. Draw its front view, sectional top view and true shape of the section.



DEVELOPMENT OF SURFACES

  1. A square prism of base side 30mm and axis length 60mm is resting on HP on one of its faces with a base side inclined at 30 to VP. It is cut by plane inclined at 40° to HP and perpendicular to VP and is bisecting the axis of the prism. Draw its development

  1. A pentagonal prism of base side 30mm and axis length 60mm is resting on HP on its base with one of its base sides parallel to VP. It is cut by a plane inclined at 35° to HP and perpendicular to VP and meets the axis at a distance of 35mm from the base. Draw the development of the lower portion of the solid.

  1. A hexagonal prism of base side 30mm and axis length 60mm is resting on HP on its base with two of the vertical faces perpendicular to VP. It is cut by a plane inclined at 50° to HP and perpendicular to VP and passing through a point at a distance of 10mm from the top face. Draw the development of the lower portion of the solid.



  1. A cylinder of base diameter 45mm and height 65mm lies on its base on HP. It is cut by a plane perpendicular to VP and inclined at 30° to HP. And meeting the axis at a distance of 30mm from the base. Draw the development of the lower portion of the solid.

  1. A cone of base diameter 50mm and axis length 75mm is resting on HP on its base .It is cut by a plane inclined at 45° to HP and perpendicular to VP and is bisecting the axis. Draw the development of the lower portion of the solid.


  1.  A pentagonal pyramid of base side 30mm and axis length 60mm is resting on HP on its base with a side parallel to VP. It is cut by a plane inclined at 40° to HP and perpendicular to VP and passing through a point at a distance of 15mm from the base.. Draw the development of the lower portion of the solid.

ISOMETRIC PROJECTION

1. Draw the isometric projection of a hexagonal prism of base side 25mm and axis height 60mm when it rests on HP on its base with a base edge parallel tom VP.

2. Draw the isometric projection of a cylinder of base diameter 50mm and axis height 60mm when it rests on HP on its base.

3. A hexagonal prism of base side 25mm and axis height 50mm rests on HP on its base with a base edge parallel tom VP. It is cut by a plane inclined at 50° to HP and perpendicular to VP and is bisecting the axis. Draw the isometric view of truncated prism.

4. A cylinder of base diameter 50mm and axis height 60mm rests on HP on its base. It is cut by a plane inclined at 55° to HP and perpendicular to VP and passing through a point at a distance of 45mm from the base. Draw the isometric view of the cylinder.

5. Draw the isometric projection of a hexagonal pyramid of base side 30mm and axis height 75mm when it rests on HP on its base with a base edge parallel tom VP.

6. Draw the isometric projection of a cone of base diameter 40mm and axis height 60mm when it rests on HP on its base.

7. A pentagonal pyramid of base side 30 mm and axis length 65 mm is resting on HP on its base with a side of base perpendicular to VP. It is cut by a plane inclined at 30° to HP and perpendicular to VP and passing through a point ON the axis at a distance of 30 mm from the apex.. Draw the isometric view of the truncated cylinder.

8. A cone of base diameter 50mm and axis height 70 mm rests on HP on its base. It is cut by a plane inclined at 30° to HP and perpendicular to VP and meets the axis at a distance of 40 mm from the base. Draw the isometric view of the truncated cone.

9. A square prism of base side 20 mm and height 40 mm rests on HP on its base. With its side equally inclined to VP. It is cut by a plane inclined at 45° to HP and perpendicular to VP and meets the axis at a distance of 7 mm from the Face. Draw the isometric view of the truncated prism.


PERSPECTIVE PROJECTION

  1. A pentagonal pyramid of side 25mm and height 55mm rests on HP on its base with an edge in PP. The station point is 60mm in front of PP, 75 mm above GP and lying on a central plane passing through the apex. Draw the perspective view.

2.   A   square prism of base side 30mm and height 60mm rests on its base with the
      nearest edge of  the base is parallel to and 5 mm behind PP. The station point is
      60mm in front of PP, 50 mm   above GP and lying on a central plane 25mmto the 
      left of the mid of the solid.. Draw the  perspective projection.

  1. A rectangular prism of base size 25x 40x 60 mm rests with its on the ground
      such that the longer base edge recedes 30 to the right of PP with one end of it
      behind PP.  The station point is 45mm in front of PP, 35 mm above GP and lying  
      on a central plane 35 mm from the nearest   Vertical edge. Draw the perspective
       view.

  1.  A square pyramid of base 30 mm and axis height 65mm rests on ground vertically with a base edge in PP. on its base with an edge in PP. The station point is 40mm in front of PP, 90 mm above GP and lying on a central plane passing through the point 20 mm to the left of the axis..
       Draw the perspective projection

  1. A cylinder of diameter 50 mm rests on ground vertically with its axis 5 mm behind PP. The    observer point is 40mm infront of PP, 100 mm above GP and is 10 mm to the right of the nearest  base corner point. a central plane passing through the apex. Draw the perspective projection.
.
PLANE CURVES (Eccentricity method only)
1.      Draw an ellipse when the distance of focus from the directrix is 40 mm &eccentricity is ¾.   
      Draw a tangent at a point of the ellipse.  

2.      Draw a parabola when the distance of focus from the directrix is 40 mm. Draw a tangent at a  
      point on the parabola.  

3. Construct a curve when the distance of focus from the directrix is 35 mm and eccentricity is 4/3.      Draw a tangent to a point on the curve. Name the curve. 

CYCLOIDS AND INVOLUTES
1.      Construct a cycloid given the diameter of the generating circle radius is 30 mm. Draw a tangent at point on the cycloid.
2.      Construct the path traced by appoint on a circular disc radius of 30 mm rolls on a circular path of radius 100 mm.
3.      Construct the path traced by appoint on a circular disc radius of 30 mm rolls on a circular path of radius 100 mm inside it.
4.      A circle of radius 20 mm rolls on the concave side of another circle of radius 40 mm. Draw the path traced by a point on the rolling circle.
5.      Draw the involutes of the following. (i) A square of side 30 mm (ii) Rectangular pentagon of side 25 mm. (iii) Circle of radius 25 mm.
6.      A string of length 160 mm is wound around a pentagon of side 30 mm. Draw the path traced by the end of the string.
7.      A circular disc of radius 24 mm rolls on a plane surface. Draw the locus of a point which is at a distance of 300 mm from the centre of the disc, which rolls for one revolution.

ENGINEERING PHYSICS-1 Question bank SUBJECT CODE- 182101(PH2111)(2009-2010) (Common to all branches of B.E. & B.Tech.)

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ENGINEERING PHYSICS-1

SUBJECT CODE- 182101(PH2111)(2009-2010)

(Common to all branches of B.E. & B.Tech.)

Short Answer Question

PART-A

UNIT I - ULTRASONICS



1. What is an Ultrasonic wave? Mention its properties.

2. Name the methods by which Ultrasonic waves are produced?

3. Define Magnetostriction effect?

4. What are the disadvantages of magnetostriction oscillator?

5. Define Piezo Electric effect?

6. What is the main difference in the quality of ultrasonic waves produced by Piezo electric and magnetostriction method?

7. What is Inverse Piezo electric effect?

8. What are the advantages of Piezo electric oscillators?

9. What are the demerits of the Piezo – electric oscillator?

10. What is an acoustic grating?

11. Name any four methods of detection of ultrasonic waves.

12. Give the important applications of ultrasonics.

13. What is Cavitations? Mention its uses.

14. What is the principle of SONAR?

15. How can SONAR be used to find depth of the sea?

16. What is sonogram?

17. What are the methods to detect the ultrasonic waves?

18. Write a short notes on sonar

19. What is Coagulation?

20. State any four use of ultrasonic.

21. Define Non-destructive testing.

22. What is A-scan?

23. What is B- Scan?

24. What is C- Scan?

25. Write any two medical applications of Ultrasonics.



UNIT II - LASERS



26. What is Laser? What are its characteristics?

27. Distinguish between Spontaneous and stimulated emission

28. What is Stimulated emission?

29. What is Spontaneous emission?

30. What is Stimulated absorption?

31. What are Einstein’s coefficients?

32. Define population Inversion.

33. Define normal population.

34. What is pumping action?

35. What are the conditions to achieve the laser action?

36. Distinguish between Four level and three level lasers.

37. Compare the characteristics of laser with ordinary thermal source of light.

38. What are the three important components of laser device?

39. How lasers are classified? or Mention the various types of lasers.

40. What is Nd – YAG laser?

41. What are the applications of Nd- YAG laser?

42. What is CO2 laser?

43. What is the active medium in CO2 laser?

44. What are the applications of CO2 laser?

45. What is Semiconductor laser?

46. What are the applications of Semiconductor laser?

47. Name any four uses of laser in medical field.

48. Name any four uses of laser in engineering field.

49. What is an optical resonator?

50. Define Active centre and Active medium?

51. What is hologram?



UNIT III – FIBRE OPTICS & APPLICATIONS



52. Define Optical Fiber.

53. What is the principle of optical fiber?

54. What are the conditions for total internal reflection?

55. What is meant by mode?

56. Define numerical apertures.

57. Define acceptance angle.

58. What is single mode fiber?

59. What is multi mode fiber?

60. What is step index fiber?

61. What is graded index fiber?

62. What is a wave guide?

63. What are the types of optical fibers based on number of modes?

64. What are the types of optical fibers based on refractive index profile?

65. Mention the components involved in fiber optical system?

66. Distinguish between step and graded index fiber.

67. Distinguish between single mode and Multi mode fiber.

68. Write a short note on losses in optical fiber.

69. What is intrinsic absorption?

70. Distinguish between Active and Passive fiber.

71. What is sensor? What are the good conditions for sensor?

72. Define Splicing.

73. What is dispersion?

74. What is attenuation?

75. What are the advantages of the fiber optical communication system?

76. Write the applications of fiber optical system.

77. Define Chromatic dispersion

78. Define Intermodel dispersion

79. What are the industrial applications of ultrasonics?

80. Distinguish between hologram and photography.

81. What are the detectors that are used in fiber optic communication?

82. Write a short note on temperature sensor

83. Write a short note on pressure sensor









UNIT IV – QUANTUM PHYSICS



84. What is Black body radiation?

85. What is Schrödinger wave equation?

86. Write the postulates of Planck’s Quantum theory.

87. Write down Planck’s radiation formula.

88. State Wien’s displacement law.

89. State Rayleigh – Jean’s law.

90. State Heisenberg’s uncertainty principle.

91. What is Compton Effect?

92. What is Compton wavelength?

93. What are minimum and maximum values of Compton shift?

94. What is a wavefuntion?

95. Mention some of the physical significance of the wave function.

96. What are “Eigen values” and “Eigen functions”?

97. What is meant by Photon? Give its properties.

98. What are de- Broglie wave or matter waves?

99. Explain degenerate states and non-degenerate states.

100. What is Schrödinger wave equation?

101. Write down Schrödinger time independent and dependent wave equations.

102. Write the energy value of the particle in one dimensional box.

103. Mention some important applications of quantum mechanics.







UNIT V –CRYSTAL PHYSICS



104. Define crystal.

105. Define unit cell.

106. Define atomic radius.

107. Define co-ordination number.

108. Define space lattice.

109. What are lattice parameters?

110. What is a primitive cell?

111. What is non-primitive cell?

112. Define Basis.

113. What is crystallography?

114. What are miller indices?

115. Define Bravais lattice.

116. Define burgers vectors.

117. What is dislocation?

118. Define Screw dislocation.

119. Define edge dislocation.

120. Define Frenkel and Schottky defect.

121. Define Substitution impurity defect.

122. Define interstitial impurities.

123. Define Stacking faults.

124. Define grain boundaries.

125. Draw (111) plane in simple cubic.

126. Draw (101) plane in simple cubic.

127. Define interplanar distance.

128. Define polymorphism and allotropy.

129. Write the atomic radius, co-ordination number for diamond structure.

130. Define packing fraction

131. Name seven crystal systems.



Part-B

UNIT I –ULTRASONICS



1. What is Magnetostriction effect? Explain Magnetostriction Oscillators.

2. What is piezo electric Effect? Explain piezo electric Oscillators.

3. Determine the velocity measurement of ultrasonic waves in liquids.

4. Write a short note on (i) Detection of ultra sonic (ii) Cavitation (iii)Sonar

5. Explain with neat sketch the application of ultrasonic in cardiology.

6. How ultrasonic waves are detected? Explain.

7. Give the industrial applications of ultrasonic waves in detail.

8. Give the medical applications of ultrasonic waves in detail.

9. Explain Non-destructive testing method in detail.

10. Explain ultrasonic imaging systems in detail.



UNIT II - LASERS



11. Describe the construction and working of Nd-YAG laser.

12. Describe the construction and working of Co2 laser.

13. Describe the construction and working of semiconductor laser.

14. Describe the construction and working of He-Ne laser.

15. Explain with neat sketch the construction and reconstruction of holographic image.

16. Explain Einstein coefficient and then prove ratio of stimulated to spontaneous emission is given by 1/ehv/kT-1.

17. Discuss the applications of laser in various fields.





UNIT III –FIBER OPTICS AND APPLICATIONS





18. Derive the expression for acceptance angle and Numerical aperture of an optical fiber.

19. Write a short note on (i) Principle of light in optical fiber (ii) Double crucible method.

20. Classify the optical fibers on the basis of materials, modes of propagation and refractive index difference.

21. Write a shote note on (i) step index fiber (ii) Graded index fiber.

22. Write a short note on (i) Single mode fiber (ii) Multimode fiber.

23. Write a short note on (i) losses in optical fiber (ii) Fiber optic communication system.

24. What are Fiber splices? Explain in detail.

25. Write a short note on (i) Pressure and Intensity sensor (ii) displacement sensor.





UNIT IV – QUANTUM PHYSICS



26. What is Black Body radiation .Derive the expression for Planck theory of black body radiation?

27. What is Compton Effect? Derive the expression for the Compton shift wavelength.

28. Derive the expression for schroedinger time independent and dependent wave equation.

29. Explain particle in one dimensional box and also explain three dimensional effects.

30. Explain (i) Transmission electron Microscope (ii) Scanning Electron Microscope.



UNIT V – CRYSTAL PHYSICS



31. Show that packing fraction for simple cubic is 52%

32. show that packing fraction for body centered cubic is 68%

33. Show that packing fraction for face centered cubic is 74%

34. What is Hcp structure explain c/a ratio is 1.632 and also packing fraction is 74%

35. What are miller indices? Show that interplanar distance is d=a/√(h2+k2+l2).

36. Write a short note on (i) Diamond Structure (ii) Nacl structure (iii) Bravais lattice

37. Explain various types of defects in crystals in detail.

CY2111 183101 –ENGINEERING CHEMISTRY –I QUESTION BANK (COMMON TO FIRST YR – ALL BRANCHES)

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CY2111 183101–ENGINEERING CHEMISTRY –I
QUESTION BANK  (COMMON TO FIRST YR – ALL BRANCHES)

UNIT – 1   WATER TECHNOLOGY
PART - A
1. Differentiate hard water and soft water.
2. Define hardness.
3. What are the types of hardness? Differentiate them.
4. What are the tests for hardness?
5. Why hardness is expressed in CaCO3 equivalent?
6. What is EDTA? Write its structure?
7. What is the principle behind EDTA titration?
8. What is alkalinity? What are the possible reasons for alkalinity?
9. Give any four requirements for potable water?
10. What is boiler feed water? What are the basic requirements?
11. What are boiler problems? Name any 4 boiler problems?
12. Differentiate scales and sludge?
13. What is caustic embrittlement? How will you prevent it?
14. What is carry over? How will you prevent it?
15. What are the reasons for boiler corrosion?
16. What are boiler compounds?
17. How calgon conditioning is superior than other methods?
18. Why phosphate conditioning is preferred over carbonate conditioning?
19. What are the chemicals used for regeneration of ion exchange resins?
20. Give the name of membranes used in reverse osmosis process?
21. Give the advantages of RO process and ion exchange process?
22. What is break point chlorination? What is its significance?
23. What is disinfection? What are the different methods of disinfection?
24. Why a soft water need not be demineralised water but a DM is always soft water.
25. Give two examples for Cation exchange and anion exchange resins?

PART- B

1.  How the alkalinity of a water sample is estimated volumetrically?
2.  Explain the aim, principle, procedure, calculation involved in EDTA method?
3. Write a note of boiler problems?
4. What is ion exchange method? Explain the concept.
5. What is reverse osmosis? Bring out the methodology behind it.
6. How will you treat the water for drinking purpose?
7. What are boiler compounds? How are they used in internal water treatment?


UNIT-2  POLYMERS AND COMPOSITES
PART-A
1. Define polymerization.
2. Define monomers and polymers.
3. Define degree of polymerization.
4. Give any four differences between addition and condensation polymerization.
5. What is copolymerization? What is co-polymer?
6. What are the three steps involved in free radical mechanism?
7. Define plastics.  How can they be classified?
8. Mention any two advantages and disadvantages
9. Give four differences between engineering and commodity plastics.
10. Give any four differences between thermo and thermosetting plastics.
11. What are the uses of PVC and Teflon?
12. Write the synthesis of Nylon 6, 6 and polyurethane?
13. What is PET? Give its applications.
14. Define rubbers? What are the types of rubber?
15. What is vulcanization? What are the advantages of vulcanization?
16. What is Buna-S? How is it prepared?
17. Give the differences between raw and vulcanized rubber?
18. What are the defects of raw rubber? How can it be rectified?
19. What are composites? What are the advantages of it?
20. What are the two phases of composites?
21. What are the different types of composites?
22. What is FRP? Mention its applications.
23. What is polymer matrix composite?

PART – B

1. Write a note on addition polymerization. Differentiate it from condensation type.
2. Explain the steps involved in free radical mechanism.
3. Give the preparation, property, uses of PVC, Teflon and Polycarbonate.
4. Give the preparation, property, uses of Polyurethane, PET and nylon 6,6.
5. Differentiate thermo and thermoset plastics.
6. Differentiate engineering and commodity plastics.
7. Explain the mechanism, purpose and importance of vulcanization.
8. Differentiate raw and vulcanized rubber.
9. Explain the process of obtaining rubber from latex. What are the defects of raw rubber?
10. Write a note on any two synthetic rubbers.
11. Give a detailed note on different types of composites?
12. Explain about FRP and their applications.



UNIT – 3  SURFACE CHEMISTRY
PART-A
1.  Define adsorption.
2. Differentiate adsorption and absorption.
3. What are adsorbent and adsorbate?
4. Differentiate physisorption and chemisorption.
5. Give any four characteristics of adsorption.
6. What is the effect of pressure, temperature on physisorption and chemisorption.
7. What is positive adsorption? And negative adsorption. Give examples.
8. Define adsorption isotherms.
9. What is Freundlich isotherm? What are the limitations?
10. What are the assumptions of Langmuir adsorption isotherm?
11. List out any four important applications of adsorption.
12. What is homogeneous catalyst? What is heterogeneous catalyst?
13. Why the solid catalyst should be used as a fine powder?
14. What are promoters and catalytic poison?
15. Give two examples for cation and anion exchange resins?
16. What is zeolite process?
17. What are the applications of activated charcoal?
18. What are GAC and PAC?
19. What are the factors affecting adsorption of gases on solid?
20. What are the factors affecting adsorption from solutions?
21. How is arsenic poisoning  removed from the body?

PART – B

1. Differentiate physisorption and chemisorption?
2. Explain the factors affecting adsorption of gases on solids.
3. Explain the factors affecting adsorption of solutes from solutions.
4. What are the five types of isotherms possible? Draw and explain the cases with eg.
5. Derive Langmuir adsorption isotherm.
6. Bring out the role of adsorption in heterogeneous catalyst?
7. Explain the principle of adsorption in ion-exchange process of water treatment?
8. What are the common applications of adsorption?
9. How can the pollution be reduced by activated charcoal.





UNIT – 4  NON-CONVENTIONAL ENERGY SOURCES/ STORAGE DEVICES
     PART-A
Differentiate nuclear fission and fusion.
Give any four characteristics of fission.
What is multiplication factor?
What is mass defect?
What is a nuclear chain reaction?
Define critical, sub critical and super critical mass.
What is nuclear energy?
Give any one fission reaction; mention the factors that impede the chain reaction.
Define nuclear reactor.
What are the components of a nuclear reactor?
What are moderators in nuclear reactor? What is its role?
What is a breeder reactor?
Mention any four applications of solar energy.
Define thermal conversion and photo conversion with eg.
What are the advantages of non-conventional energy sources than the conventional one?
Write short notes on wind energy.
Define fuel cell. Bring out its two applications.
What are the advantages and drawbacks of solar and wind energy.
What are fissile and fissionable nucleus? Give eg.
What are the reactions involved in oxygen – Hydrogen fuel cell?
What is a battery? What are the basic requirements of a battery?
Differentiate primary and secondary batteries?
What are the advantages of alkaline battery over dry battery?
Li battery is the battery of future – How?
What are the advantages of Li- S battery?
How NICAD battery is constructed?
Write the reactions taking place in an alkaline battery.
PART- B
What is a nuclear chain reaction? Explain the basic principles and characteristics of it.
Explain light water power plant with a neat sketch.
Explain the significance and working principles of breeder reactor with necessary equations and sketches.
Write an elaborate note on solar energy harnessing and applications.
 Write a note on wind energy.
Explain the construction of O2-H2 fuel cells. State itsadvantages?
Explain the principle behind Lead acid accumulator.
What is the basic constructional idea behind NICAD battery?
Give the importance of Lithium battery. Explain the basic principles of it.
UNIT – 5  ENGINEERING MATERIALS
PART-A
1.      Define refractories. How can they be classified?
2.      Give any four characteristics of refractories.
3.      What is refractoriness? How is it measured?
4.      What is segar cone test (or) PCE test?
5.      What is RUL test?
6.      Name the stages in manufacture of refractory?
7.      What is porosity of a refractory? How can it be modified?
8.      What is thermal spalling? How will you control it?
9.      What are the two types of dimension change?
10. Name two refractories which should not be kept in direct contact with fireclay refractory. Why?
11. What are abrasives?
12. What is abrasive powder?
13. What is moh’s scale?
14. How is carborundum prepared?
15. What is norbide? How can it be prepared?
16. Give the applications of garnet and emery.
17. What are the applications of abrasive?
18. How can we classify the abrasives? Give eg for each type.
19. Define lubricant. Classify them.
20. What is flash and fire point.
21. Define viscosity index.
22. Define cloud and pour point.
23. What are pour point depressants? Give eg.
24. What are greases? How can they be classified?
25. What are carbon nanotubes? What are the types?
26. What are nano materials?
27. What is nano chemistry?
28. Write down the synthetic methods to prepare carbon nanotubes.
29. Write any four applications of carbon nano tube.
30. Mention the various forms of SWNT.
PART-B
1.      Classify the refractories. Explain one example for each type.
2.      What are the properties of refractory? Explain any three of them.
3.      Write notes on alumina, zirconia and magnesite bricks.
4.      Write a note on synthetic abrasives.
5.      What is your understanding about natural abrasives?
6.      How will you explain the mechanism behind the lubrication?
7.      Explain any four properties of lubricants?
8.      How can you classify lubricants? Explain.
9.      Write notes on solid lubricants.
10. Bring out the important applications of CNT.
11. Write a note on structure and synthesis of CNT.

ANNA UNIVERSITY CHENNAI CURRICULUM AND SYLLABI UNDER REGULATIONS 2008 FOR AFFILIATED INSTITUTIONS (with effect from the academic year 2008 – 2009) (Common to all B.E. / B.Tech. Degree Programmes except B.E. – Marine Engineering) SEMESTER II

4:30 AM

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ANNA UNIVERSITY CHENNAI
CURRICULUM AND SYLLABI
UNDER REGULATIONS 2008 FOR AFFILIATED INSTITUTIONS
(with effect from the academic year 2008 – 2009)
(Common to all B.E. / B.Tech. Degree Programmes
except B.E. – Marine Engineering)
SEMESTER II

VEL TECH HIGH TECH Dr. RANGARAJAN Dr.SAKUNTALA ENGINEERING COLLEGE GE2115 – Computer Practice Lab - I SEMESTER – I Lab manual

4:25 AM

Posted by Vinoth

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LIST OF EXERCISES
a) Word Processing
1. Document creation, Text manipulation with Scientific notations.
2. Table creation, Table formatting and Conversion.
3. Mail merge and Letter preparation.
4. Drawing - flow Chart
b) Spread Sheet
5. Chart - Line, XY, Bar and Pie.
6. Formula - formula editor.
7. Spread sheet - inclusion of object, Picture and graphics, protecting the   
    Document and sheet.
8. Sorting and Import / Export features.
Simple C Programming
9. Data types, Expression Evaluation, Condition Statements.
10. Arrays
11. Structures and Unions
12. Functions 
 

SSN College Notes

7:41 AM

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SSN College Notes

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