Hotel Service Unit 11 Q4 Quiz

Hotel Service Unit 11 Refrigeration Q4

1 / 5

What is the safe method for bringing the refrigerant charge back to its normal working level?

A) Directly venting refrigerant into the atmosphere until it reaches the proper pressure

B) Recharging the system through the low-pressure side in vapor form to avoid compressor damage

D) Adding refrigerant through the high-pressure side

C) Heating the refrigerant cylinder before charging

2 / 5

Which of the following is an indication of a loss in refrigerant charge?

D) Increased compressor temperature without any performance issues

B) Reduced cooling capacity and higher evaporator temperature

C) Constant low-side pressure

A) Increased cooling efficiency

3 / 5

Which of the following is a commonly used method to detect the location of a refrigerant leak?

B) Applying a soap solution to fittings and observing for bubbles

A) Visual inspection of the compressor

D) Measuring the temperature of the evaporator

C) Increasing the system pressure

4 / 5

What is another common indication that a refrigeration system has lost refrigerant?

C) Increased humidity in the system

A) Low suction pressure

D) Uniform compressor operation

B) High discharge pressure

5 / 5

Which device is used to detect refrigerant leaks that are too small to be visible?

D) Sound meter

A) Temperature gauge

C) Electronic leak detector

B) Pressure gauge

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