The _______ is the heart of an automboile.
A: piston
B: engine
C: crankshaft
D: valve
A: piston
B: engine
C: crankshaft
D: valve
举一反三
- 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 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
- The camshaft is drived by( ) A: crankshaft B: flywheel C: clutch D: piston
- Theessentialpartofthedieselengine,whosefunctionistoconverttheheatenergyintothemechanicalpower,isthe（）. A: crankshaft B: piston C: connectingrod D: bearing
- Asthe_____againreachesBDC,theexhaustvalveopens,buttheintakevalveremiansclosed. A: valve B: pump C: port D: piston