Vacuum pumps are intended to be used on systems that are at or below atmospheric pressure. The technician should avoid using them on systems that are at pressures over __________ psig.
A) 0
B) 196
C) 243
D) 270

Question

Quizplus · Accepted Answer

Vacuum pumps are not designed to operate on systems with pressures above atmospheric pressure, therefore, the correct answer is A) 0. It is important to note that using a vacuum pump on a pressurized system can damage the pump and potentially cause injury to the technician.

Vacuum Pumps Are Intended to Be Used on Systems That