Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Universal joint Elliptical trammels Whitworth quick return mechanism Rotary engine Universal joint Elliptical trammels Whitworth quick return mechanism Rotary engine ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to One π Zero π/2 One π Zero π/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle) [(r² + R²) sinφ]/2 [(r + R) cosφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) cosφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The main disadvantage of the sliding pair is that it is Both (A) and (B) above Bulky Wears rapidly Difficult to manufacture Both (A) and (B) above Bulky Wears rapidly Difficult to manufacture ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the number of teeth to the pitch circle diameter in millimeters, is called Diametral pitch None of these Circular pitch Module Diametral pitch None of these Circular pitch Module 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 Shaft tends to vibrate in longitudinal direction Torsional vibrations occur Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Shaft tends to vibrate in longitudinal direction Torsional vibrations occur ANSWER DOWNLOAD EXAMIANS APP
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