Hotel Service Unit 11 Q2 Quiz

Hotel Service Unit 11 Refrigeration Q2

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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

A) In the engine room

D) In the bridge control room

C) Inside the galley for easy access

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

A) Vapor charging from the high-pressure side

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

C) Adding refrigerant directly to the compressor

D) Filling the system from the discharge line

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

A) By shaking the bottle

D) Measuring the bottle’s temperature

C) Listening for a high-pitched sound

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

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

A) By releasing it directly into the sea

D) By releasing it directly into the atmosphere

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

C) By venting it into the engine room

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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

C) Liquid charging through the high-pressure side

A) Directly injecting refrigerant into the air conditioning unit

D) Vapor charging via the suction side of the compressor

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

C) The base of the bottle

A) The side walls

B) The valve and connections

D) The interior lining

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