Theory of Machine When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a Higher pair Self-closed pair Lower pair Force-closed pair Higher pair Self-closed pair Lower pair Force-closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of spherical pair is Ball bearing and roller bearing Bolt and nut Lead screw of a lathe Ball and socket joint Ball bearing and roller bearing Bolt and nut Lead screw of a lathe Ball and socket joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating engine, usually __________ of the reciprocating masses are balanced. Whole Three-fourth Two-third One-half Whole Three-fourth Two-third One-half ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Balancing of rotating and reciprocating parts of an engine is necessary when it runs at Moderate speed Any one of these Highs peed Slow speed Moderate speed Any one of these Highs peed Slow speed 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 None of these Work-done at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for a given percentage change of speed None of these Work-done at the sleeve for maximum equilibrium speed Mean force exerted at the sleeve for maximum equilibrium speed 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 P with respect to the crank-pin C is given by ω² × CO ω² × NO ω² × QN ω² × CN ω² × CO ω² × NO ω² × QN ω² × CN ANSWER DOWNLOAD EXAMIANS APP