1. A cable with a uniformly distributed load perhorizontal metre run will take the following shape

2. In ideal machines

3. In actual machines

4. The angle which an inclined plane makes with thehorizontal when a body placed on it is about to movedown is known as angle of

5. In the lever of third order, load W, effort P andfulcrum F are oriented as follows

6. A pair of smith’s tongs is an example of the lever of

7. Which of the following is the example of lever of firstorder

8. The M.I. of hollow circular section about a centralaxis perpendicular to section as compared to its M.I.about horizontal axis is

9. The C.G. of a right circular solid cone of height h liesat the following distance from the base

10. The C.G. of a plane lamina will not be at itsgeometrical centre in the case of a

11. If three forces acting in different planes can berepresented by a triangle, these will be in

12. A body moves, from rest with a constant accelerationof 5 m per sec. The distance covered in 5 sec is mostnearly

13. A flywheel on a motor goes from rest to 1000 rpm in6 sec. The number of revolutions made is nearly equal to

14. The C.G. of a solid hemisphere lies on the centralradius 3r

15. A sample of metal weighs 219 gms in air, 180 gms inwater, 120 gms in an unknown fluid. Then which iscorrect statement about density of metal

16. Which of the following is the locus of a point thatmoves in such a manner that its distance from a fixedpoint is equal to its distance from a fixed line multipliedby a constant greater than one

17. Which of the following is not the unit of energy

18. If n = number of members andy = number of joints,then for a perfect frame, n =

19. The necessary condition for forces to be inequilibrium is that these should be

20. The maximum frictional force which comes into playwhen a body just begins to slide over another surface iscalled

21. If three forces acting in one plane upon a rigid body,keep it in equilibrium, then they must either

22. The co-efficient of friction depends upon

23. A particle inside a hollow sphere of radius r, havingcoefficient of friction -rr can rest upto height of

24. The algebraic sum of moments of the forces formingcouple about any point in their plane is

25. The effort required to lift a load W on a screw jackwith helix angle a and angle of friction

26. A semi-circular disc rests on a horizontal surface withits top flat surface horizontal and circular portiontouching down. The coefficient of friction between semi-cricular disc and horizontal surface is i. This disc is to bepulled by a horizontal force applied at one edge and italways remains horizontal. When the disc is about tostart moving, its top horizontal force will

27. A single force and a couple acting in the same planeupon a rigid body

28. Kinetic friction is the

29. Tangent of angle of friction is equal to

30. Dynamic friction as compared to static friction is

31. Coulomb friction is the friction between

32. A projectile is fired at an angle 9 to the vertical. Itshorizontal range will be maximum when 9 is

33. Limiting force of friction is the

34. Shear stress induced in a shaft subjected to tensionwill be

35. If rain is falling in the opposite direction of themovement of a pedestrain, he has to hold his umbrella

36. In a belt drive, the pulley diameter is doubled, the belttension and pulley width remaining same. The changesrequired in key will be

37. A key is subjected to side pressure as well at shearingforces. These pressures are called

38. The value of shear stress which is induced in the shaftdue to the applied couple varies

39. The torsional rigidity of a shaft is expressed by the

40. The safe twisting moment for a compound shaft isequal to the

41. Longitudinal stress in a thin cylinder is

42. A cylindrical section having no joint is known as

43. A boiler shell 200 cm diameter and plate thickness 1.5cm is subjected to internal pressure of 1.5 MN/m , thenthe hoop stress will be

44. The force acting along the circumference will causestress in the walls in a direction normal to thelongitudinal axis of cylinder; this stress is called

45. The deformation of a bar under its own weightcompared to the deformation of same body subjected to adirect load equal to weight of the body is

46. The weakest section of a diamond riveting is thesection which passes through

47. Rivets are made of following type of material

48. Diamond riveted joint can be adopted in the case offollowing type of joint

49. When two plates are butt together and riveted withcover plates with two rows of rivets, the joi;it is known as

50. The distance between the centres of the rivets inadjacent rows of zig-zag riveted joint is known as

51. Efficiency of a riveted joint is the ratio of its strength(max. load it can resist without failure) to the strength ofthe unpunched plate in

52. A riveted joint in which every rivet of a row isopposite to other rivet of the outer row, is known as

53. A riveted joint in which the number otrivets decreasefrom innermost to outer most row is called

54. If the rivets in adjacent rows are staggered and theoutermost row has only one rivet, the arrangement of therivets is called

55. In riveted boiler joints, all stresses, shearing, bearingand tensile are based on the

56. In a prismatic member made of two materials sojoined that they deform equally under axial stress, theunit stresses in two materials are

57. A non-yielding support implies that the

58. The ratio of elongation in a prismatic bar due to itsown weight (W) as compared to another similar barcarrying an additional weight (W) will be

59. A beam is loaded as cantilever. If the load at the end isincreased, the failure will occur

60. A material capable of absorbing large amount ofenergy before fracture is known as

61. The strain energy stored in a body due to suddenlyapplied load compared to when it is applied gradually is

62. The stress induced in a body due to suddenly appliedload compared to when it is applied gradually is

63. Proof resilience per material is known as

64. The maximum strain energy that can be stored in abody is known as

65. The total strain energy stored in a body is termed as

66. Resilience of a material is considered when it issubjected to

67. The energy absorbed in a body, when it is strainedwithin the elastic limits, is known as

68. Flow stress corresponds to

69. When it is indicated that a member is elastic, it meansthat when force is applied, it will

70. In question 56, the internal reaction in bottom 80 cmlength will be

71. The stress at which extension of the material takesplace more quickly as compared to the increase in load iscalled

72. The ratio of direct stress to volumetric strain in caseof a body subjected to three mutually perpendicularstresses of equal intensity, is equal to

73. The ratio of lateral strain to the linear strain withinelastic limit is known as

74. The elasticity of various materials is controlled by its

75. Rupture stress is

76. The stress necessary to initiate yielding is

77. In the tensile test, the phenomenon of slow extensionof the material, i. e. stress increasing with the time at aconstant load is called

78. The stress developed in a material at breaking pointin extension is called

79. If a material expands freely due to heating it willdevelop

80. The property of a material by virtue of which it can bebeaten or rolled into plates is called

81. The change in the unit volume of a material undertension with increase in its Poisson’s ratio will ,

82. The percentage reduction in area of a cast ironspecimen during tensile test would be of the order of

83. In a tensile test, near the elastic limit zone, the

84. For which material the Poisson’s ratio is more thanunity

85. The property of a material which allows it to be drawninto a smaller section is called

86. Poisson’s ratio is defined as the ratio of

87. The value of Poisson’s ratio for cast iron is

88. The property of a material by virtue of which a bodyreturns to its original, shape after removal of the load iscalled

89. The materials which exhibit the same elasticproperties in all directions are called

90. The buckling load for a given material depends on

91. Which of the following materials is most elastic

92. In a tensile test on mild steel specimen, the breakingstress as compared to ultimate tensile stress is

93. If a part is constrained to move and heated, it willdevelop

94. Which is the false statement about true stress-strainmethod

95. The value of modulus of elasticity for mild steel is ofthe order of

96. The value of Poisson’s ratio for steel is between

97. The total elongation produced in a bar of uniformsection hanging vertically downwards due to its ownweight is equal to that produced by a weight

98. Which of the following has no unit

99. For steel, the ultimate strength in shear as comparedto in tension is nearly

100. During a tensile test on a specimen of 1 cm cross-section, maximum load observed was 8 tonnes and areaof cross-section at neck was 0.5 cm2. Ultimate tensilestrength of specimen is

101. Percentage reduction of area in performing tensiletest on cast iron may be of the order of

102. The intensity of stress which causes unit strain iscalled

103. True stress-strain curve for materials is plottedbetween

104. The impact strength of a material is an index of its

105. The Young’s modulus of a wire is defined as the stresswhich will increase the length of wire compared to itsoriginal length

106. Tensile strength of a material is obtained by dividingthe maximum load during the test by the

107. If the radius of wire stretched by a load is doubled,then its Young’s modulus will be

108. The ultimate tensile stress of mild steel compared toultimate compressive stress is

109. A thin mild steel wire is loaded by adding loads in equalincrements till it breaks. The extensions noted withincreasing loads will behave as under

110. Modulus of rigidity is defined as the ratio of

111. The materials having same elastic properties in alldirections are called

112. It equal and opposite forces applied to a body tend toelongate it, the stress so produced is called

113. Deformation per unit length in the direction of force isknown as

114. The unit of Young’s modulus is

115. Young’s modulus is defined as the ratio of

116. Hooke’s law holds good up to

117. Strain is defined as the ratio of