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(α + φ) P = W cos(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W tan(α + φ) P = W cos(α + φ) P = W tan(φ - α) ANSWER DOWNLOAD EXAMIANS APP
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 0.2 0.6 0.4 0.8 0.2 0.6 0.4 0.8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as Logarithmic decrement Damping coefficient Magnification factor Damping factor Logarithmic decrement Damping coefficient Magnification factor Damping factor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the Tip of the pinion and flank of gear Flanks of both gear and pinion Tip of the gear tooth and flank of pinion Tip of both gear and pinion Tip of the pinion and flank of gear Flanks of both gear and pinion Tip of the gear tooth and flank of pinion Tip of both gear and pinion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, if a spring of greater stiffness is used, then the governor will be Unaffected of sensitivity Isochronous Less sensitive More sensitive Unaffected of sensitivity Isochronous Less sensitive More sensitive ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of oscillation of a torsional pendulum is r/2πk. √(l/g) r/2πk. √(g/l) 2πr/k. √(g/l) 2πk/r. √(g/l) r/2πk. √(l/g) r/2πk. √(g/l) 2πr/k. √(g/l) 2πk/r. √(g/l) ANSWER DOWNLOAD EXAMIANS APP
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