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15 Cards in this Set
- Front
- Back
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How many AC units do we have on board Rushmore?
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5
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What kind of AC units are on board?
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125 Ton York type centrifugal
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What is the purpose of AC units?
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To provide cooling throughout the ship by circulating cooled chilled water throughout the ship.
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What kind of refrigerant does the reefer use?
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R-134a
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What is the purpose of the compressor? How many are there?
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Takes low pressure gas and compresses it to high pressure gas.
1 per AC unit and reefer plant. Total of 6 on the ship. |
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What is the purpose of the chill water pump?
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To provide chill water circulation throughout the ship.
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What is the purpose of the condenser?
How many are there? |
Condenses high pressure refrigerant back to a liquid form.
1 per AC unit and reefer for a total of 6. |
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What is the purpose of the receiver?
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The receiver is the collection point for all condensed refrigerant.
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How many receivers does each reefer have?
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1 per reefer.
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What is the purpose of the chiller and how many are in each AC unit?
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A collection point for refrigerant on the AC units. There is 1 per AC unit.
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What is the purpose of the freeze box?
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To keep stores frozen.
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Where are the freeze boxes?
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Nr1 is on the reefer decks
NR2 is below NR1 on the 3rd deck. |
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What is the purpose of the evaporator/ cooling coils?
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Provide heat transfer from space by refrigerant passing through coils and removing heat.
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Where are the evaporator/ cooling coils?
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in each freezer and chill box.
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how many compressors does NR 5 AC have?
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2
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