1.
A long or insulated suction line can cause:
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A) Excessive superheat.
B) Low superheat.
C) High subcooling.
D) Low subcooling.
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2. A buried suction line can cause liquid slugging? |
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3. A liquid line passing through an unconditioned space will affect: |
A) Superheat
B) Subcooling
C) None of the above
D) Both A and B
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4. A good indication of a source of a refrigerant leak is: |
A) Rust stain at the compressor suction valve.
B) Coil fin corrosion.
C) Oil stain on a mechanical connection.
D) A hissing sound.
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Answers: 1: a, 2: a, 3: b, 4: c. |
