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If L is the stroke and N is the rpm, mean piston speed of two stroke engine is _______

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+1 vote
in Farm Machinery by (38.9k points)
If L is the stroke and N is the rpm, mean piston speed of two stroke engine is _______

(a) LN

(b) LN/2

(c) 2LN

(d) 2LN/3

This question was addressed to me in class test.

My question is taken from I.C. Engine Components in section Internal Combustion Engine of Farm Machinery

1 Answer

+2 votes
by (243k points)
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Best answer
Correct choice is (c) 2LN

To elaborate: The mean piston speed is the average speed of the piston in a reciprocating engine. It is a function of stroke and RPM. There is a factor of 2 in the equation to consider one stroke to occur in ½ of a crank revolution.

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