Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.4 0.2 0.8 0.6 0.4 0.2 0.8 0.6 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The danger of breakage and vibration is maximum Below the critical speed None of these Above the critical speed Near the critical speed Below the critical speed None of these Above the critical speed Near the critical speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Pitch point on a cam is The point on cam pitch curve having the maximum pressure angle The point on cam pitch curve having the minimum pressure angle Any point on pitch curve Any point on pitch circle The point on cam pitch curve having the maximum pressure angle The point on cam pitch curve having the minimum pressure angle Any point on pitch curve Any point on pitch circle 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 The mechanism in which two are turning pairs and two are sliding pairs, is called a Scotch yoke mechanism All of these Elliptical trammel Double slider crank chain Scotch yoke mechanism All of these Elliptical trammel Double slider crank chain ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is 52.92 N-s/m 18.52 N-s/m 1.4 N-s/m 529.2 N-s/m 52.92 N-s/m 18.52 N-s/m 1.4 N-s/m 529.2 N-s/m ANSWER DOWNLOAD EXAMIANS APP
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