Theory of Machine The unbalanced force due to reciprocating masses Varies in direction but constant in magnitude Varies in magnitude and direction both Constant in magnitude and direction both Varies in magnitude but constant in direction Varies in direction but constant in magnitude Varies in magnitude and direction both Constant in magnitude and direction both Varies in magnitude but constant in direction ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively) None of these m₁ m₂ = r₁ r₂ m₁ r₂ = m₂ r₁ m₁ r₁ = m₂ r₂ None of these m₁ m₂ = r₁ r₂ m₁ r₂ = m₂ r₁ m₁ r₁ = m₂ r₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts? Mechanisms Kinetics Applied mechanics Theory of machines Mechanisms Kinetics Applied mechanics Theory of machines ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is Equal to sum of other two There is no such relationship Less than sum of other two Greater than sum of other two Equal to sum of other two There is no such relationship Less than sum of other two Greater than sum of other two ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is (Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ²/₃ μWR ¾μWR μwr ½μWR ²/₃ μWR ¾μWR μwr ½μWR 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 Cause withdrawing or throttling of steam Reduce maximum opening of port to steam All of the listed here Reduce length of effective stroke of piston Cause withdrawing or throttling of steam Reduce maximum opening of port to steam ANSWER DOWNLOAD EXAMIANS APP
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