Theory of Machine The velocity of sliding of meshing gear teeth is (Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁ + ω₂)/y (ω₁ + ω₂) y (ω₁/ω₂) y (ω₁ × ω₂) y (ω₁ + ω₂)/y (ω₁ + ω₂) y (ω₁/ω₂) y (ω₁ × ω₂) y ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Torsional vibrations occur Shaft tends to vibrate in longitudinal direction Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Torsional vibrations occur Shaft tends to vibrate in longitudinal direction ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves upwards, the governor speed First increases and then decreases Decreases Remain unaffected Increases First increases and then decreases Decreases Remain unaffected Increases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The total acceleration of B with respect to A will be equal to Vector difference of radial component and tangential component Vector sum of radial component and Coriolis component Vector sum of radial component and tangential component Vector sum of tangential component and Coriolis component Vector difference of radial component and tangential component Vector sum of radial component and Coriolis component Vector sum of radial component and tangential component Vector sum of tangential component and Coriolis component ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Elliptical trammels Rotary engine Whitworth quick return mechanism Universal joint Elliptical trammels Rotary engine Whitworth quick return mechanism Universal joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction can be used to determine acceleration of various parts when the crank is at Right angles to the link of the stroke Outer dead centre Inner dead centre All of the listed here Right angles to the link of the stroke Outer dead centre Inner dead centre All of the listed here ANSWER DOWNLOAD EXAMIANS APP