Technician A says that the Otto-cycle gasoline engine has four strokes per cycle. Technician B says that the crankshaft makes four revolutions during the four stroke cycle. Who is right?
A)Technician A only
B)Technician B only
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

The Otto-cycle gasoline engine indeed has four strokes per cycle: intake, compression, power, and exhaust. However, the crankshaft makes only two revolutions during these four strokes, not four as Technician B suggests.

Technician a Says That the Otto-Cycle Gasoline Engine Has Four