Theory of Machine The factional torque for square thread at the mean radius r while raising load W is given by T = W.r tanα T = W.r tan(φ + α) T = W.r tan(φ - α) T = W.r tanφ T = W.r tanα T = W.r tan(φ + α) T = W.r tan(φ - α) T = W.r tanφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In involute gears, the pressure angle is Dependent on the size of gears Always constant Dependent on the size of teeth Always variable Dependent on the size of gears Always constant Dependent on the size of teeth Always variable ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side. Backward Upward Downward Forward Backward Upward Downward Forward 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 Open pairs are those which have Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become 16 tp tp /4 4 tp tp /16 16 tp tp /4 4 tp tp /16 ANSWER DOWNLOAD EXAMIANS APP
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