Theory of Machine If two moving elements have surface contact in motion, such pair is known as Surface pair Rolling pair Higher pair Sliding pair Surface pair Rolling pair Higher pair Sliding pair 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 Infinity Any +ve value Zero Any -ve value Infinity Any +ve value Zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links in pantograph mechanism is equal to 5 2 3 4 5 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain is known as a mechanism when One of the links is fixed None of the links is fixed None of these Two of the links are fixed One of the links is fixed None of the links is fixed None of these Two of the links are fixed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to balance the reciprocating masses, Primary forces and couples must be balanced None of these Both (A) and (B) Secondary forces and couples must be balanced Primary forces and couples must be balanced None of these Both (A) and (B) Secondary forces and couples must be balanced ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct as regard to the difference between a machine and a structure? The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work All of these The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work All of these ANSWER DOWNLOAD EXAMIANS APP
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