Q141
Open questionSuperheating in a refrigeration cycle
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Mechanical Engineering · all questionsRefrigeration And Air Conditioning
Refrigeration And Air Conditioning
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Q142
Open questionHydrogen is used in Electrolux refrigeration system so as to _________ the rate of evaporation of the liquid ammonia passing through the evaporator.
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Q143
Open questionThe dehumidification process, on the psychrometric chart, is shown by
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Q144
Open questionThe process, generally used in winter air-conditioning to warm and humidity the air, is called
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Q145
Open questionThe process, generally used in summer air conditioning to cool and dehumidify the air, is called
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Q146
Open questionThe temperature of air recorded by a thermometer, when it is not affected by the moisture present in the air, is called
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Q147
Open questionThe temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called
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Q148
Open questionThe thermostatic expansion valve operates on the changes in the
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Q149
Open questionA condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be
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Q150
Open questionA standard ice point temperature corresponds to the temperature of
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Q151
Open questionThe leakage in a refrigeration system using ammonia is detected by
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Q152
Open questionThe lower horizontal line of the refrigeration cycle plotted on pressure-enthalpy diagram represents
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Q153
Open questionWhich of the following refrigerant is highly toxic and flammable?
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Q154
Open questionThe wet bulb depression indicates _________ humidity of the air.
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Q155
Open questionIn case of sensible cooling of air, the coil efficiency is given by
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Q156
Open questionThe specific humidity during dehumidification process
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Q157
Open questionThe specific humidity during humidification process
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Q158
Open questionThe ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called
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Q159
Open questionThe material of pipe lines for a system using Freon as a refrigerant should be
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Q160
Open questionThe vapour pressure of refrigerant should be
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