What component of internal combustion engines converts the piston’s up-and-down or forward-and-backward motion into rotational motion?
a. Head
b. Crankshaft
c. Connecting rod
d. Engine block
a. Incorrect. The head is the component of an engine on top of the piston cylinders that contains the intake and exhaust valves.
b. Correct. The crankshaft converts the piston’s up-and-down or forward-and-backward motion into rotational motion.
c. Incorrect. The connecting rod connects the piston to the crankshaft.
d. Incorrect. The engine block is the casing of the engine that houses the pistons and cylinders.
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