Theory of Machine The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body) 1/2π × √(g/δ) 1/2π × √(s/m) Any one of the listed here 0.4985/√δ 1/2π × √(g/δ) 1/2π × √(s/m) Any one of the listed here 0.4985/√δ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If two moving elements have surface contact in motion, such pair is known as Surface pair Sliding pair Rolling pair Higher pair Surface pair Sliding pair Rolling pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders, are placed at 90° to each other 45° to each other 180° to each other 120° to each other 90° to each other 45° to each other 180° to each other 120° to each other ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of lower pair is Automobile steering gear Shaft revolving in a bearing Straight line motion mechanisms All of these Automobile steering gear Shaft revolving in a bearing Straight line motion mechanisms All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ¾μWR ½μWR μwr ²/₃ μWR ¾μWR ½μWR μwr ²/₃ μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two links are connected by a pin joint, their instantaneous center lies At the center of curvature At the center of circle At the pin joint On their point of contact At the center of curvature At the center of circle At the pin joint On their point of contact ANSWER DOWNLOAD EXAMIANS APP
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