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10 Cards in this Set
- Front
- Back
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What is the process of gathering information needed to make intelligent decisions? |
Troubleshooting |
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What happens when there is inadequate air flow over the evaporator coil? |
Suction pressure decreases |
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What will happen to the head pressure when a system is overcharged? |
Pressures increase |
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A high superheat reading May indicate that a TXV (TEV) is defective. True or false? |
True |
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What component is required on a compressor in a cold environment? |
Crankcase heater |
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How does a dirty condenser affect a capillary tube system? |
Poor cooling, high suction and high head pressure. |
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An Evaporator coil May ice up if there is a lack of proper air flow across the coil? True or false? |
True |
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What pressure readings would indicate a reciprocating compressor has bad valves? |
Low head and high suction pressure |
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When a TXV / TEV does not maintain a particular setting over time, it is said to be? |
Erratic |
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What must be sufficient in quantity for a metering device to work properly? |
Refrigerant |
