Theory of Machine When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to π/2 Zero One π π/2 Zero One π ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called Fixed instantaneous centers Neither fixed nor permanent instantaneous centers None of these Permanent instantaneous centers Fixed instantaneous centers Neither fixed nor permanent instantaneous centers None of these Permanent instantaneous centers ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Lower pairs are those which have Elements of pairs not held together mechanically Surface contact between the two elements when in motion Two elements that permit relative motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Two elements that permit relative motion Point or line contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The brake commonly used in railway trains is Internal expanding brake Band and block brake Band brake Shoe brake Internal expanding brake Band and block brake Band brake Shoe brake 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 4 tp 16 tp tp /4 tp /16 4 tp 16 tp tp /4 tp /16 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 10 30 20 34 10 30 20 34 ANSWER DOWNLOAD EXAMIANS APP
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