91. When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable.
92. The working depth of a gear is the radial distance from the
93. The natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where $$\delta {\text{S}}$$ = Static deflection of simply supported shaft due to uniformly distributed load)
94. Module of a gear is
95. The dynamic friction is the friction experienced by a body, when the body
96. The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to
97. The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to
98. Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is
99. In railway axle boxes, the bearing used is
100. In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set to
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