Theory of Machine Lower pairs are those which have Two elements that permit relative motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanisms produces mathematically an exact straight line motion? Tchebicheff mechanism Watt mechanism Peaucellier's mechanism Grasshopper mechanism Tchebicheff mechanism Watt mechanism Peaucellier's mechanism Grasshopper mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The axis of precession is __________ to the plane in which the axis of spin is going to rotate. Perpendicular None of these Both A and B Parallel Perpendicular None of these Both A and B Parallel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum fluctuation of energy is the Difference between the maximum and minimum energies Sum of the maximum and minimum energies Ratio of the mean resisting torque to the work-done per cycle Variations of energy above and below the mean resisting torque line Difference between the maximum and minimum energies Sum of the maximum and minimum energies Ratio of the mean resisting torque to the work-done per cycle Variations of energy above and below the mean resisting torque line ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hammer blow Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Varies as the square root of the speed Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies inversely with the square of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Varies as the square root of the speed Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies inversely with the square of the speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following has sliding motion? Crank pin Crank Cross-head Connecting rod Crank pin Crank Cross-head Connecting rod ANSWER DOWNLOAD EXAMIANS APP
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