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 Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Permit relative motion Have a line or point contact when in motion Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing, and R = Radius of bearing surface) (1/2) μ W R μ W R (3/4) μ W R (2/3) μ W R (1/2) μ W R μ W R (3/4) μ W R (2/3) μ W R ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pairs are _________ pairs. None of these Friction closed Force-closed Self-closed None of these Friction closed Force-closed Self-closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels Three pairs turning and one pair sliding Two pairs turning and two pairs sliding All four pairs are turning One pair turning and three pairs sliding Three pairs turning and one pair sliding Two pairs turning and two pairs sliding All four pairs are turning One pair turning and three pairs sliding ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where δS = Static deflection of simply supported shaft due to uniformly distributed load) 0.571/ √δS 0.4985/ √δS 0.5615/ √δS 0.6253/ √δS 0.571/ √δS 0.4985/ √δS 0.5615/ √δS 0.6253/ √δS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Sensitiveness of the governor is defined as the ratio of the Difference of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the maximum equilibrium speed Mean speed to the minimum equilibrium speed Sum of the maximum and minimum equilibrium speeds to the mean speed Difference of the maximum and minimum equilibrium speeds to the mean speed Mean speed to the maximum equilibrium speed Mean speed to the minimum equilibrium speed Sum of the maximum and minimum equilibrium speeds to the mean speed ANSWER DOWNLOAD EXAMIANS APP
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