Robyn

Robyn

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Member since
Nov 10, 2015
Last active
Nov 12, 2015
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  1. #Threads

    What is the purpose of piston rings in engines?

    a. To prevent air-fuel mixture leakage from the crankshaft chamber to the oil sump. b. To prevent air-fuel mixture leakage from the...

  2. #Threads

    What is the function of the crankshaft in the engine?

    a. It controls the movement of the pushrods to open the inlet and exhaust valves. b. It transfers the power produced during...