Theory of Machine The critical speed of a shaft in revolution per second is __________ as that of natural frequency of transverse vibration. Unpredictable Different Same None of these Unpredictable Different Same None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A cam mechanism imparts following motion Reciprocating Oscillating Rotating All of these Reciprocating Oscillating Rotating All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at high speed of the rotor, reaction on the left bearing is R. The right side of the bearing is shifted to a new position 2L apart from the left bearing. At the same rotor speed, dynamic reaction on the left bearing in the new arrangement will Become equal to 2R Become equal to R/2 Become equal to R/4 Remain same as before Become equal to 2R Become equal to R/2 Become equal to R/4 Remain same as before ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Open pairs are those which have Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the below are inversions of slider crank mechanism? 1. Oscillating cylinder engine mechanism 2. Toggle mechanism 3. Radial cylinder engine mechanism 4. Quick return mechanism 1, 2 and 4 1, 3 and 4 1, 2 and 3 2, 3 and 4 1, 2 and 4 1, 3 and 4 1, 2 and 3 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cam size depends upon Outer circle Base circle Pitch circle Prime circle Outer circle Base circle Pitch circle Prime circle ANSWER DOWNLOAD EXAMIANS APP
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