A、A.freezing point
B、B.floc point
C、C.condensing temperature
D、D.compression temperature
更多“Sub-cooling is a method of reducing the temperature of the liquid refrigerant below its （）.”相关的问题
A、A.stores liquid refrigerant B、B.collects non-condensable gases C、C.allows refrigerant sub-cooling D、D.prevents compressor surging
A、CO<sub>2sub> does not cool the fire B、cylinders are regulated pressure vessels C、C0<sub>2sub> is not effective on class B fires D、C0<sub>2sub> is not effective on class C fires
A、increase the refrigerating effect, by decreasing the amount of flash gas B、allow the refrigerant to enter the throttling device in a saturated condition C、increase the refrigerating effect by increasing the amount of flash gas D、minimize the temperature drop of the liquid as it passes through the solenoid valve to the outlet side
A、free entry of air to the crankcase B、water entering the crankcase while engine wash-downs are being performed C、excessive oil leakage during periods of increased blow-by D、sub-cooling internal components
A、A.increasing refrigerant pressure in the coil B、B.increasing chilled water flow through the cooler C、C.sub-cooling the refrigerant in the condenser D、D.superheating the refrigerant in the compressor
A、use all CO<sub>2sub> available to cool the surrounding area B、stand by with water or other agents C、thoroughly ventilate the space of CO<sub>2sub> D、jettison all burning materials
A、Cooling water is alkalescence B、cooling water is acidity C、cooling water has salinity D、cooling water has impurity
A、Because the piston is exposed to very high temperature, it must be cooled B、The lower the piston cooling temperature is, the better it is C、Both water and lube oil can be used as coolant D、One of the piston cooling methods is vibration cooling, with better effect
A、remove oxygen from the area B、cool fuel below ignition temperature C、smother with CO<sub>2sub> D、smother fire with foam
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