Cast iron pistons were used in low-speed cars, why?(a) Due to inertia force(b) Due to low-speed piston(c) Due to momentum(d) Due to centrifugal forceI have been asked this question by my college professor while I was bunking the class.The question is from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design

Cast iron pistons were used in low-speed cars, why?(a) Due to inertia

1.	Cast iron pistons were used in low-speed cars, why?(a) Due to inertia force(b) Due to low-speed piston(c) Due to momentum(d) Due to centrifugal forceI have been asked this question by my college professor while I was bunking the class.The question is from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design
Answer» CORRECT answer is (b) Due to low-SPEED piston The explanation is: Cast iron PISTONS were USED in low-speed cars because its piston speed is always less than 6 m/s, this speed was due to the density of piston.

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