What is the speed of the crankshaft in a four-stroke/cycle engine when the camshaft is tur
What is the speed of the crankshaft in a four-stroke/cycle engine when the camshaft is turning at 750 rpm?.
A.375 RPM
B.500 RPM
C.750 RPM
D.1500 RPM
请帮忙给出正确答案和分析,谢谢!