51. A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard ?
52. When the speed of the engine fluctuates continuously above and below the mean speed, the governor is said to be
53. When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the __________ pulley must be taken into consideration.
54. The maximum frictional force, which comes into play, when an body just begins to slide over the surface of the other body, is known as
55. In a four stroke I.C. engine, the turning moment during the compression stroke is
56. A body will begin to move down an inclined plane, if the angle of inclination of the plane is __________ the angle of friction.
57. The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base)
58. The height of a Watt's governor is
59. A rotor supported at A and B carries two masses as shown in the below figure. The rotor is
60. For internal financing of Five Year Plans, the government depends on?
61. Which of the following is a higher pair?
62. When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the
63. In a force-closed pair, the two elements of a pair are not held together mechanically.
64. Maximum fluctuation of energy in a flywheel is equal to (where I = Mass moment of inertia of the flywheel, E = Maximum fluctuation of energy, CS = Coefficient of fluctuation of speed, and ω = Mean angular speed = )
65. The coriolis component of acceleration acts
66. The module is the reciprocal of diametral pitch.
67. If the controlling force line for a spring controlled governor when produced intersects the Y-axis at the origin, then the governor is said to be
68. The film in which Rajat Kapoor got Bharat Award:?
69. If the controlling force line for a spring controlled governor when produced intersects the Y-axis above the origin, then the governor is said to be unstable.
70. The inversion of a mechanism is
71. The coefficient of fluctuation of energy is the ratio of maximum energy to the minimum energy.
72. When the nature of contact between the elements of a pair is such that it can only slide relative to the other, the pair is known as a
73. Where was Stockholm Conference held?
74. Which of the following countries does not belong to OPEC?
75. The primary unbalanced force is maximum __________ in one revolution of the crank.