Theory of Machine The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is 0° and 90° 0° and 180° 90° and 180° 180° and 360° 0° and 90° 0° and 180° 90° and 180° 180° and 360° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become 2 fn 8 fn fn/2 4 fn 2 fn 8 fn fn/2 4 fn ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a slider moves on a fixed link having curved surface, their instantaneous centre lies At the pin joint At the centre of circle On their point of contact At the centre of curvature At the pin joint At the centre of circle On their point of contact At the centre of curvature ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke. 4θ θ/2 θ 2θ 4θ θ/2 θ 2θ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam lap and the angle of advance of the eccentric but keeping constant the travel and lead of the valve, this method will All of the listed here Reduce length of effective stroke of piston Cause withdrawing or throttling of steam Reduce maximum opening of port to steam All of the listed here Reduce length of effective stroke of piston Cause withdrawing or throttling of steam Reduce maximum opening of port to steam ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction can be used when Crank has non-uniform velocity Crank has uniform angular acceleration Crank has uniform angular velocity and angular acceleration Crank has a uniform angular velocity Crank has non-uniform velocity Crank has uniform angular acceleration Crank has uniform angular velocity and angular acceleration Crank has a uniform angular velocity ANSWER DOWNLOAD EXAMIANS APP
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