While bench testing a multi-orifice injector nozzle, it rapidly pulses (chatter) as NOP is achieved. Technician A says that the nozzle seat is defective and should be replaced. Technician B says that nozzle chatter usually occurs only during bench testing. 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

Nozzle chatter is a common occurrence during bench testing due to the rapid opening and closing of the nozzle at the set pressure, and it does not necessarily indicate a defective nozzle seat.

While Bench Testing a Multi-Orifice Injector Nozzle, It Rapidly Pulses