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What is the face angle range for a poppet valve?

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What is the face angle range for a poppet valve?

(a) 20° to 50°

(b) 35° to 60°

(c) 30° to 45°

(d) 40° to 55°

The question was posed to me in an online interview.

This intriguing question originated from IC Engine topic in section Design of IC Engine Components of Automotive Engine Design

1 Answer

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Best answer
Correct option is (c) 30° to 45°

Best explanation: 30° to 45° is the face angle range for a poppet valve. The face angle and the face can be altered accordingly using grinding or skimming machines.

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