Theory of Machine In a reciprocating engine, usually __________ of the reciprocating masses are balanced. Two-third Three-fourth Whole One-half Two-third Three-fourth Whole One-half 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 Reduce maximum opening of port to steam Cause withdrawing or throttling of steam All of the listed here Reduce length of effective stroke of piston Reduce maximum opening of port to steam Cause withdrawing or throttling of steam ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a lower pair? Cam and follower Piston and cylinder Ball and socket i Both (A) and (B) above Cam and follower Piston and cylinder Ball and socket i Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where δ = Deflection of the spring) 1/2π. √(g/δ) 2π. √(g/δ) 2π. √(δ/g) 1/2π. √(δ/g) 1/2π. √(g/δ) 2π. √(g/δ) 2π. √(δ/g) 1/2π. √(δ/g) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hammer blow Varies inversely with the square of the speed Varies as the square root of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies inversely with the square of the speed Varies as the square root of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The train value of a gear train is Reciprocal of velocity ratio of a gear train Always greater than unity Equal to velocity ratio of a gear train Always less than unity Reciprocal of velocity ratio of a gear train Always greater than unity Equal to velocity ratio of a gear train Always less than unity ANSWER DOWNLOAD EXAMIANS APP
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