Technician A says that oil pumps are all negative displacement types. Technician B says that many oil pumps are driven by the front of the crankshaft. Who is correct?
A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Technician B is correct. While positive displacement oil pumps do exist, many oil pumps are driven by the front of the crankshaft.

Technician a Says That Oil Pumps Are All Negative Displacement