Theory of Machine The critical speed of a shaft depends upon its Stiffness and eccentricity Stiffness Mass and stiffness Mass Stiffness and eccentricity Stiffness Mass and stiffness Mass 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 maximum opening of port to steam Reduce length of effective stroke of piston Cause withdrawing or throttling of steam All of the listed here Reduce maximum opening of port to steam Reduce length of effective stroke of piston Cause withdrawing or throttling of steam ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an example of sliding pair? Lead screw of a lathe with nut Ball and a socket joint Shaft with collars at both ends fitted into a circular hole Piston and cylinder of a reciprocating steam engine Lead screw of a lathe with nut Ball and a socket joint Shaft with collars at both ends fitted into a circular hole Piston and cylinder of a reciprocating steam engine ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose) ω² × OQ cosθ ω² × OQ ω² × OQ tanθ ω² × OQ sinθ ω² × OQ cosθ ω² × OQ ω² × OQ tanθ ω² × OQ sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W tan(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W cos(α + φ) P = W tan(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Pulley in a belt drive acts as Rolling pair Cylindrical pair Sliding pair Turning pair Rolling pair Cylindrical pair Sliding pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
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