Theory of Machine The factional torque for square thread at the mean radius r while raising load W is given by T = W.r tanφ T = W.r tan(φ + α) T = W.r tan(φ - α) T = W.r tanα T = W.r tanφ T = W.r tan(φ + α) T = W.r tan(φ - α) T = W.r tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An imaginary circle which by pure rolling action, gives the same motion as the actual gear, is called Pitch circle Addendum circle Clearance circle Dedendum circle Pitch circle Addendum circle Clearance circle Dedendum circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gears, interference takes place when Gears do not move smoothly in the absence of lubrication Pitch of the gears is not same The tip of a tooth of a mating gear digs into the portion between base and root circles Gear teeth are undercut Gears do not move smoothly in the absence of lubrication Pitch of the gears is not same The tip of a tooth of a mating gear digs into the portion between base and root circles Gear teeth are undercut ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A pantograph is a mechanism with Higher pairs Lower pairs Rolling pairs Turning pairs Higher pairs Lower pairs Rolling pairs Turning pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A completely constrained motion can be transmitted with. 2 links with pin joints 4 links with pin joints 3 links with pin joints 1 link with pin joints 2 links with pin joints 4 links with pin joints 3 links with pin joints 1 link with pin joints ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in All of these Longitudinal vibrations Torsional vibrations Transverse vibrations All of these Longitudinal vibrations Torsional vibrations Transverse vibrations ANSWER DOWNLOAD EXAMIANS APP
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