Hotel Service Unit 11 Q2 Quiz

Hotel Service Unit 11 Refrigeration Q2

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How can it be determined if refrigerant is leaking from a gas bottle?

A) By shaking the bottle

C) Listening for a high-pitched sound

B) Using a soap solution around the valve and looking for bubbles

D) Measuring the bottle’s temperature

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For recharging, liquid refrigerant can be added through the liquid line, while vapor charging is done via the low-pressure side to avoid damaging the compressor. Both methods ensure controlled refrigerant flow into the system. What is another method for recharging a refrigeration system?

B) Releasing refrigerant directly into the atmosphere

D) Vapor charging via the suction side of the compressor

C) Liquid charging through the high-pressure side

A) Directly injecting refrigerant into the air conditioning unit

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Where should refrigerant gas bottles be stored on a vessel?

B) In a dedicated, well-ventilated storage area away from direct sunlight and heat sources

D) In the bridge control room

A) In the engine room

C) Inside the galley for easy access

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What is considered the weakest part of a refrigerant storage bottle?

A) The side walls

D) The interior lining

B) The valve and connections

C) The base of the bottle

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Which method is used to recharge a refrigeration system, and where should the connection be made?

C) Adding refrigerant directly to the compressor

D) Filling the system from the discharge line

B) Liquid charging into the liquid line and vapor charging into the low-pressure side

A) Vapor charging from the high-pressure side

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How should excessive refrigerant be removed from the system to comply with MARPOL regulations?

C) By venting it into the engine room

B) By discharging it into a recovery cylinder for safe disposal

A) By releasing it directly into the sea

D) By releasing it directly into the atmosphere

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