The refrigerator is()we must buy some food.
相似题目
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In the refrigeration compressor the temperature of the vapor is () by compression.
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Sweating of the refrigeration system compressor crankcase is caused by ().
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If the head pressure of a reciprocating refrigeration compressor is excessive, ().
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In practice, the refrigerant flow after the evaporator is designed to ensure that the vapor leaving the evaporator is slightly ().
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As the refrigerant passes through the valve orifice, its pressure is reduced and part of the refrigerant turns into ().
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In the refrigeration system, a shortage of refrigerant is indicated by ().
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The color of the flame on a halide torch without any refrigerant present is ().
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Which of the listed statements is correct concerning refrigeration systems?()
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The refrigeration system low pressure cutout switch is actuated by ().
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If the refrigeration compressor crankcase is sweating, the cause may be due to ().
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In a compression refrigeration plant the refrigerant is under low pressure in the () and under high pressure in the ().
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The temperature of a refrigerant gas is the highest ().
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The component of a refrigerating system in which the refrigerant vaporizes and absorbs heat is known as the ().
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“Flooding back” is a condition where the liquid refrigerant ().
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If the suction pressure at the refrigeration compressor is below normal, the cause can be().
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If a refrigeration compressor is running continuously without lowering temperature as normal in the refrigerator, the trouble may be ().
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The latent heat of evaporation is dissipated in the () in a compression refrigeration system.
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The function of () in a refrigeration plant using Freon is to move moisture from all refrigeration system.
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The purpose of the refrigeration system low pressure cutout switch is to ()
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When a refrigeration compressor is in the ‘off’ cycle, the thermal expansion valve will().
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When the temperature of the refrigerant flowing out from the condenser is below the condensing temperature, it is said to be ().
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原文:Even when we turn off the beside lamp and are fast asleep, electricity is working for us, driving our refrigerators, heating our water, or keeping our rooms air-conditioned.译文:即使我们关掉床头灯睡觉,电仍然在为我们工作,如启动电冰箱,把水加热,或让室内空调持续开着。
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The milk is ______ the refrigerator.
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When a refrigeration compressor is in the ‘off’ cycle, the thermal expansion valve will .
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