Theory of Machine In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set to Ensure uniform loading Ensure proper alignment Reduce vibration Reduce slip Ensure uniform loading Ensure proper alignment Reduce vibration Reduce slip ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve) c (m + M) g c (m - M) g c/(m - M) g c/(m + M) g c (m + M) g c (m - M) g c/(m - M) g c/(m + M) g ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's diagram is useful to find Velocity of various parts Displacement of various parts Angular acceleration of various parts Acceleration of various parts Velocity of various parts Displacement of various parts Angular acceleration of various parts Acceleration of various parts ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other. Any -ve value Zero Infinity Any +ve value Any -ve value Zero Infinity Any +ve value ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Effort of a governor is the Mean force exerted at the sleeve for a given percentage change of speed Mean force exerted at the sleeve for maximum equilibrium speed Work-done at the sleeve for maximum equilibrium speed None of these Mean force exerted at the sleeve for a given percentage change of speed Mean force exerted at the sleeve for maximum equilibrium speed Work-done at the sleeve for maximum equilibrium speed None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is None of these 180° and 360° Both (A) and (B) 0° and 90° None of these 180° and 360° Both (A) and (B) 0° and 90° ANSWER DOWNLOAD EXAMIANS APP
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