To ensure correct direction of refrigerant flow in heat-pump room air conditioners, ____ are included in the unit.
A. filter drivers
B. globe valves
C. quarter-turn valves
D. check valves
Answer: D
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If a technician needs to check the refrigerant pressures on a system with a small charge:
A) A short refrigeration gauge should be used. B) A standard gauge manifold set should be connected to both sides of the system. C) Only the low side of the gauge manifold set should be connected. D) Only the high side of the gauge manifold set should be connected.
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Why is completing a project like eating an elephant?
What will be an ideal response?
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IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
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This is a press or similartool used to form ahole or specific shape in sheet metal.
What will be an ideal response?
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