Theory of Machine Kinematic pairs are those which have Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a multiple V-belt drive, if one of the belts is broken, then we should replace The broken belt only All the belts The broken belt and the belts on either side of it None of these The broken belt only All the belts The broken belt and the belts on either side of it None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two elements of a pair are said to form a higher pair, when they Have a line or point contact when in motion Permit relative motion Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Have a line or point contact when in motion Permit relative motion Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ½μWR μwr ¾μWR ²/₃ μWR ½μWR μwr ¾μWR ²/₃ μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Under logarithmic decrement, the amplitude of successive vibrations are In geometric progression Constant In logarithmic progression In arithmetic progression In geometric progression Constant In logarithmic progression In arithmetic progression ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve) c (m + M) g c (m - M) g c/(m + M) g c/(m - M) g c (m + M) g c (m - M) g c/(m + M) g c/(m - M) g ANSWER DOWNLOAD EXAMIANS APP
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