Theory of Machine Shaft revolving in a bearing is the following type of pair Higher pair Lower pair Spherical pair Cylindrical pair Higher pair Lower pair Spherical pair Cylindrical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Shaft tends to vibrate in longitudinal direction Shaft tends to vibrate vigorously in transverse direction Torsional vibrations occur Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate in longitudinal direction Shaft tends to vibrate vigorously in transverse direction Torsional vibrations occur Combination of transverse and longitudinal vibration occurs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of successfully constrained motion is a Motion of an I.C. engine valve All of these Piston reciprocating inside an engine cylinder Motion of the shaft between a footstep bearing Motion of an I.C. engine valve All of these Piston reciprocating inside an engine cylinder Motion of the shaft between a footstep bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced force due to reciprocating masses Varies in magnitude and direction both Constant in magnitude and direction both Varies in direction but constant in magnitude Varies in magnitude but constant in direction Varies in magnitude and direction both Constant in magnitude and direction both Varies in direction but constant in magnitude Varies in magnitude but constant in direction ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be Minimum None of these Maximum Zero Minimum None of these Maximum Zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where δS = Static deflection of simply supported shaft due to uniformly distributed load) 0.6253/ √δS 0.4985/ √δS 0.571/ √δS 0.5615/ √δS 0.6253/ √δS 0.4985/ √δS 0.571/ √δS 0.5615/ √δS ANSWER DOWNLOAD EXAMIANS APP
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