In the formula (Pi)max=mrω^2r(1+\(\frac{1}{n_1})\) what is mr?(a) Mass of reciprocating parts(b) Mass of all parts(c) Mass of cylinder(d) Mass of crankshaftThe question was posed to me in an online quiz.I want to ask this question from IC Engine in section Design of IC Engine Components of Automotive Engine Design

In the formula (Pi)max=mrω^2r(1+\(\frac{1}{n_1})\) what is mr?(a) Mas

1.	In the formula (Pi)max=mrω^2r(1+\(\frac{1}{n_1})\) what is mr?(a) Mass of reciprocating parts(b) Mass of all parts(c) Mass of cylinder(d) Mass of crankshaftThe question was posed to me in an online quiz.I want to ask this question from IC Engine in section Design of IC Engine Components of Automotive Engine Design
Answer» Correct choice is (a) Mass of RECIPROCATING parts Explanation: In this FORMULA, (Pi)max is the MAXIMUM inertia force, mr is the mass of reciprocating parts, ω is the angular velocity of the crank, r is the crank RADIUS, n1 is the ratio of L/r.

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