What is the speed of the crankshaft in a four-stroke/cycle engine when the camshaft is turning at 750 rpm?（）
举一反三
- If a four-stroke/cycle diesel engine is running at 1550 RPM， the speed of the camshaft will be（）.
- In a four-stroke engine, the cycle of events is completed in four<br/>strokes of(()) A: the cylinder B: the crankshaft C: the piston D: the crosshead
- In a two-stroke engine that uses a camshaft, each valve is opened _____ for every rotation of the crankshaft; in these engines, the camshaft rotates at the same speed as the crankshaft.In a four-stroke engine, the valves are opened only half as often; thus, _____ of the crankshaft occur for each rotation of the camshaft. A: once ... two full rotations B: twice ...two full rotations C: once ... one full rotation D: twice ... one full rotation
- In four strokes engine, the cycle of events is completed in four<br/>strokes of (). A: the cylinder B: the crankshaft C: the piston D: the cross-head
- What serves as a rigid metal foundation for all parts of an engine?<br/>() A: The engine block B: camshaft C: clutch D: crankshaft