Theory of Machine Flexible coupling is used because It is easy to engage and disengage It transmits shocks gradually It is easy to disassemble It prevents shock transmission and eliminates stress reversals It is easy to engage and disengage It transmits shocks gradually It is easy to disassemble It prevents shock transmission and eliminates stress reversals ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a Screw pair Spherical pair Turning pair Sliding pair Screw pair Spherical pair Turning pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an inversion of Single slider crank chain? Oldham’s coupling Elliptical trammel Beam engine Rotary engine Oldham’s coupling Elliptical trammel Beam engine Rotary engine ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone) μ W R cosecα (3/4) μ W R cosecα (2/3) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα (3/4) μ W R cosecα (2/3) μ W R cosecα (1/2) μ W R cosecα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels One pair turning and three pairs sliding Two pairs turning and two pairs sliding All four pairs are turning Three pairs turning and one pair sliding One pair turning and three pairs sliding Two pairs turning and two pairs sliding All four pairs are turning Three pairs turning and one pair sliding ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A governor is said to be stable, if the Radius of rotation of balls decreases as the equilibrium speed increases Radius of rotation of balls increases as the equilibrium speed decreases Radius of rotation of balls increases as the equilibrium speed increases Radius of rotation of balls decreases as the equilibrium speed decreases Radius of rotation of balls decreases as the equilibrium speed increases Radius of rotation of balls increases as the equilibrium speed decreases Radius of rotation of balls increases as the equilibrium speed increases Radius of rotation of balls decreases as the equilibrium speed decreases ANSWER DOWNLOAD EXAMIANS APP
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