單項(xiàng)選擇題

In a chilled water air conditioning unit using a reciprocating compressor, the refrigerating effect of the primary refrigerant can be increased by （）.

A.increasing refrigerant pressure in the coil
B.increasing chilled water flow through the cooler
C.sub-cooling the refrigerant in the condenser
D.superheating the refrigerant in the compressor

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單項(xiàng)選擇題

A re-heater in an air conditioning system functions to （）.

A.control inlet air temperature
B.control inlet air volume
C.maintain relative humidity at 15%
D.restore conditioned air temperature to a comfortable level

單項(xiàng)選擇題

If one of the bilge system manifold valves does not properly seat, the （）

A.bilge well connected to that valve, plus the second bilge well being pumped will be completely emptied
B.bilge system will lose vacuum and prevent the other bilges from being pumped out
C.bilge well aft connected to that valve will siphon its contents to the forward bilge wells
D.discharge pressure will be too high

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In a chilled water air conditioning unit using a reciprocating compressor, the refrigerating effect of the primary refrigerant can be increased by （）.

你可能感興趣的試題

A re-heater in an air conditioning system functions to （）.

If one of the bilge system manifold valves does not properly seat, the （）

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