Technician A says most pistol grip grinders rotate at a rate of approximately 20,000 RPM. Technician B says an impact wrench stops turning once it stall out. Who is correct?
A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Most pistol grip grinders do rotate at approximately 20,000 RPM, which is a common industry standard. Technician B is incorrect because an impact wrench can continue to turn even after it has stalled out, which can be dangerous if not handled properly.

Technician a Says Most Pistol Grip Grinders Rotate at a Rate