The hole drilled between crankshaft main journal and crank pin is for – McqOptions

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1.	The hole drilled between crankshaft main journal and crank pin is for the purpose of
A.	balancing the crankshaft
B.	reducing the weight of the crank shaft
C.	lubricate the connecting rod bearings
D.	Reducing crankshaft vibrations
Answer» D. Reducing crankshaft vibrations

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