When is the only time that both hand valves of a manifold gauge set should be open at the same time?

A) when reading both pressures
B) during system evacuation
C) during system charging
D) never open both at the same time

Question

Akylah Beitey · Accepted Answer

Final Answer : B, Explanation :  During system evacuation, both hand valves of a manifold gauge set should be open to allow for the removal of air and moisture from the system by creating a vacuum. This process requires both the high and low side of the system to be open to the vacuum pump.

When is the only time that both hand valves of a manifold gauge set should be open at the same time?

A) when reading both pressures
B) during system evacuation
C) during system charging
D) never open both at the same time

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Learning Objectives

Related questions

When is the only time that both hand valves of a manifold gauge set should be open at the same time?A) when reading both pressuresB) during system evacuationC) during system chargingD) never open both at the same time

Definitions

Learning Objectives

Learning Objectives

Related questions

When is the only time that both hand valves of a manifold gauge set should be open at the same time?

A) when reading both pressures
B) during system evacuation
C) during system charging
D) never open both at the same time