Theory of Machine When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of the piston will be ω² r {n/(n - 1)} ω² r {n/(n + 1)} ω² r {(n + 1)/n} ω² r {(n - 1)/n} ω² r {n/(n - 1)} ω² r {n/(n + 1)} ω² r {(n + 1)/n} ω² r {(n - 1)/n} ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by Universal joint Knuckle joint Flexible coupling Oldham's coupling Universal joint Knuckle joint Flexible coupling Oldham's coupling ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m). (dx/dt) + (s/m). x = 0. If the roots of this equation are real, then the system will be Critically damped Over-damped Under damped Without vibrations Critically damped Over-damped Under damped Without vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time of a compound pendulum is __________ when the distance between the point of suspension and the center of gravity is equal to the radius of gyration of the body about its center of gravity. Zero Minimum Maximum None of these Zero Minimum Maximum None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum or minimum value of the swaying couple is ± (a/√2) (1 - c) m.ω².r ± a (1 - c) m.ω².r ± c.m.ω².r ± 2a (1 - c) m.ω².r ± (a/√2) (1 - c) m.ω².r ± a (1 - c) m.ω².r ± c.m.ω².r ± 2a (1 - c) m.ω².r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body in motion will be subjected to Coriolis acceleration when that body is Restrained to rotate while sliding over another body In plane translation with variable velocity In plane motion which is a resultant of plane translation and rotation In plane rotation with variable velocity Restrained to rotate while sliding over another body In plane translation with variable velocity In plane motion which is a resultant of plane translation and rotation In plane rotation with variable velocity ANSWER DOWNLOAD EXAMIANS APP
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