Theory of Machine When the two elements of a pair have __________ when in motion, it is said to a lower pair. Line or point contact Surface contact None of these Body contact Line or point contact Surface contact None of these Body contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A. A triangle A straight line A triangle Two lines A point A straight line A triangle Two lines A point ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Length of arc of contact is given by Arc of approach / Arc of recess Arc of approach × Arc of recess Arc of approach - Arc of recess Arc of approach + Arc of recess Arc of approach / Arc of recess Arc of approach × Arc of recess Arc of approach - Arc of recess Arc of approach + Arc of recess ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four stroke I.C. engine, the turning moment during the compression stroke is Negative during major portion of the stroke Positive during major portion of the stroke Positive throughout Negative throughout Negative during major portion of the stroke Positive during major portion of the stroke Positive throughout Negative throughout ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is 45 mm Slightly less than 95 mm 95 mm Slightly more than 95 mm 45 mm Slightly less than 95 mm 95 mm Slightly more than 95 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When there is a reduction in amplitude over every cycle of vibration, then the body is said to have Free vibration Damped vibration Under damped vibration Forced vibration Free vibration Damped vibration Under damped vibration Forced vibration ANSWER DOWNLOAD EXAMIANS APP