HVACR chapter 21 Refrigerant System Servicing and Testing Equipment Questions & Answers Solved 100% Correct!!
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Module
HVACR chapter 21 Refrigerant System Servicing
Institution
HVACR Chapter 21 Refrigerant System Servicing
How do electronic leak detectors work? - They search for a leak in an enclosed space, some may
also sense the refrigerant in the air.
How do you take the temperature of a refrigerant line? - Using the thermocouple assure it is
tightly pressed against the line, and insulated since they are very s...
HVACR chapter 21 Refrigerant System Servicing and Testing Equipment How do electronic leak detectors work? - They search for a leak in an enclosed space, some may also sense the refrigerant in the air. How do you take the temperature of a refrigerant line? - Using the thermocouple assure it is tightly pressed against the line, and insulated since they are very sensitive to the surrounding temperature. On average manifold sets the blue hose gets connected to the low side of the system to read pressure and vacuum. The yellow tube goes to...... - Charging the refrigerant cylinder, vacuum pump, or recovery machine On most gauges the outer scale is the pressure scale, what are the other rings for? - The inner scales indicate the saturation temperature of different refrigerants at the indicated pressures. Positive shutoff fittings help protect the technician by.... - Reducing the amount of refrigerant spray that occurs when disconnecting refrigerant hoses. The low -side gauge is a compound gauge measuring pressure and.... - Vacuum. Type J (Iron and constantan) sensors have been used for years, but are now being switched to what type sensors? - Type K (Chromel and Alumel) What 2 substances are the most common for Glass -stem thermometers? - Mercury and Alcohol What is ambient temperature? - It's the temperature around the unit, typically outside.
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