Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W tan(α - φ) P = W tan(α + φ) P = W tan(φ - α) P = W cos(α + φ) P = W tan(α - φ) P = W tan(α + φ) P = W tan(φ - α) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the damping factor for a vibrating system is unity, then the system will be Under damped Without vibrations Over damped Critically damped Under damped Without vibrations Over damped Critically damped ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pairs are _________ pairs. Force-closed None of these Friction closed Self-closed Force-closed None of these Friction closed Self-closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, if a spring of greater stiffness is used, then the governor will be Unaffected of sensitivity More sensitive Less sensitive Isochronous Unaffected of sensitivity More sensitive Less sensitive Isochronous ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A pantograph is a mechanism with Lower pairs Rolling pairs Higher pairs Turning pairs Lower pairs Rolling pairs Higher pairs Turning pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have __________ when in motion, it is said to a lower pair. Body contact Surface contact None of these Line or point contact Body contact Surface contact None of these Line or point contact ANSWER DOWNLOAD EXAMIANS APP