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In overhead cams, which type of drive is used to drive camshaft?

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in Automotive Engine Design by (137k points)
In overhead cams, which type of drive is used to drive camshaft?

(a) Gear

(b) Chain or belt

(c) Chain

(d) Toothed belt

This question was addressed to me during an interview.

This intriguing question originated from Valve Train Component Details topic in portion Valve Timing Technologies of Automotive Engine Design

1 Answer

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Correct answer is (b) Chain or belt

For explanation I would say: Chain or belt type of drive is used to drive the camshaft. Gears are space consuming and adds weight to the engine and also is requires lubrication. So, gears are not used.

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