Theory of Machine The velocity of a body moving with simple harmonic motion is __________ at the mean position. Maximum None of these Minimum Zero Maximum None of these Minimum Zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become 2 fn 4 fn 8 fn fn/2 2 fn 4 fn 8 fn fn/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum fluctuation of energy is the Difference between the maximum and minimum energies Ratio of the mean resisting torque to the work-done per cycle Sum of the maximum and minimum energies Variations of energy above and below the mean resisting torque line Difference between the maximum and minimum energies Ratio of the mean resisting torque to the work-done per cycle Sum of the maximum and minimum energies Variations of energy above and below the mean resisting torque line ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The main disadvantage of the sliding pair is that it is Both (A) and (B) above Wears rapidly Difficult to manufacture Bulky Both (A) and (B) above Wears rapidly Difficult to manufacture Bulky ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Scott-Russell mechanism consists of Turning and rotary pairs Sliding and rotary pairs Sliding and turning pairs Sliding pairs only Turning and rotary pairs Sliding and rotary pairs Sliding and turning pairs Sliding pairs only ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct for involute gears? A convex flank is always in contact with concave flank. The interference is inherently absent. The variation in centre distance of shafts increases radial force. The pressure angle is constant throughout the teeth engagement. A convex flank is always in contact with concave flank. The interference is inherently absent. The variation in centre distance of shafts increases radial force. The pressure angle is constant throughout the teeth engagement. ANSWER DOWNLOAD EXAMIANS APP