71. Inertia force acts
72. The total number of instantaneous centers for a mechanism consisting of n links are
73. The rotating shafts tend to vibrate violently at whirling speeds because
74. In a screw jack, the effort required to lift the load W is given by (where $$\alpha $$ = Helix angle and $$\varphi $$ = Angle of friction)
75. The efficiency of a screw jack is maximum, when (where $$\alpha $$ = Helix angle and $$\varphi $$ = Angle of friction)
76. A body will begin to move down an inclined plane, if the angle of inclination of the plane is ________ the angle of friction.
77. The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft and $$\alpha $$ = Semi-angle of the cone)
78. A point on a link connecting double slider crank chain traces a
79. The Whitworth quick return motion mechanism is formed in a slider crank chain when the
80. The arrangement is called bevel gearing, when two __________ are connected by gears.
Read More Section(Theory of Machine)
Each Section contains maximum 100 MCQs question on Theory of Machine. To get more questions visit other sections.