Technician A says a variable displacement vane pump reduces the pumping load on the engine when the transmission requires less fluid to be pumped. Technician B says the gear type pump can also be variable displacement. Who is correct?
A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct because a variable displacement vane pump can adjust its output to match the demand, reducing the load on the engine when less fluid is needed. Gear type pumps are typically fixed displacement and do not have the capability to vary their displacement.

Technician a Says a Variable Displacement Vane Pump Reduces the Pumping