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Machine Dynamics Practice Test: Inertia Forces in Reciprocating Parts
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Avg score: 78% Most missed: “If a force has a line of action at a distance h from the centre of gravity, then…”
Inertia Forces in Reciprocating Parts topics include: Kliens, bennetts and ritterhaus construction, velocity and acceleration of engines, reciprocating parts of engines. Inertia forces in reciprocating parts are caused by the oscillation of reciprocating masses. These forces act along the line of stroke and through the cross head on the structures and on the main bearing of the crankshaft.  The inertia force due to the acceleration of the reciprocating parts opposes the force on the piston. The inertia force due to retardation of the reciprocating parts helps the force on the piston.  The... Show more
Machine Dynamics Practice Test: Inertia Forces in Reciprocating Parts
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1 Questions

1. From figure, what is the absolute velocity of P, i.e velocity of P with respect to the stationary point O?
Triangle OCM is Ritterhaus’ velocity diagram if OC is crank & PC is rod rotating