Theory of Machine Flexible coupling is used because It is easy to disassemble It prevents shock transmission and eliminates stress reversals It transmits shocks gradually It is easy to engage and disengage It is easy to disassemble It prevents shock transmission and eliminates stress reversals It transmits shocks gradually It is easy to engage and disengage ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because The system is unbalanced The shafts are rotating at very high speeds Resonance is caused due to the heavy mass of the rotor Bearing centre line coincides with the axis The system is unbalanced The shafts are rotating at very high speeds Resonance is caused due to the heavy mass of the rotor Bearing centre line coincides with the axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The power of a Porter governor is equal to [3c²/(1 + 2c)] (m + M) g.h [c²/(1 + 2c)] (m + M) g.h [4c²/(1 + 2c)] (m + M) g.h [2c²/(1 + 2c)] (m + M) g.h [3c²/(1 + 2c)] (m + M) g.h [c²/(1 + 2c)] (m + M) g.h [4c²/(1 + 2c)] (m + M) g.h [2c²/(1 + 2c)] (m + M) g.h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is due to the Primary unbalanced force Two cylinders of locomotive Partial balancing Secondary unbalanced force Primary unbalanced force Two cylinders of locomotive Partial balancing Secondary unbalanced force ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is Equal to sum of other two Less than sum of other two There is no such relationship Greater than sum of other two Equal to sum of other two Less than sum of other two There is no such relationship Greater than sum of other two ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A universal joint is an example of Rolling pair Higher pair Sliding pair Lower pair Rolling pair Higher pair Sliding pair Lower pair ANSWER DOWNLOAD EXAMIANS APP