Q261
Open questionWhich of the following refrigerant has the lowest freezing point?
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Mechanical Engineering · all questionsRefrigeration And Air Conditioning
Refrigeration And Air Conditioning
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Q262
Open questionWhich of the following refrigerants has lowest freezing point?
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Q263
Open questionThe colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to
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Q264
Open questionShort horizontal lines on pressure-enthalpy chart show
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Q265
Open questionThe bypass factor, in case of sensible cooling of air, is given by (where td1 = Dry bulb temperature of air entering the cooling coil, td2 = Dry bulb temperature of air leaving the cooling coil and td3 = Dry bulb temperature of the cooling coil)
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Q266
Open questionIn air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is
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Q267
Open questionWhich of the following refrigerant has the maximum ozone depletion potential in the stratosphere?
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Q268
Open questionDry bulb temperature is the temperature of air recorded by a thermometer, when
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Q269
Open questionWet bulb temperature is the temperature of air recorded by a thermometer, when
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Q270
Open questionIn a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is
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Q271
Open questionA refrigerant with the highest critical pressure is
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Q272
Open questionThe cooling system used for supersonic aircrafts and rockets is
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Q273
Open questionPresence of moisture in a refrigerant affects the working of
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Q274
Open questionThe refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and
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Q275
Open questionThe air cooling system mostly used in transport type aircrafts is
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Q276
Open questionThe freezing point of sulphur dioxide is
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Q277
Open questionIn vapour compression cycle the condition of refrigerant is superheated vapour
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Q278
Open questionMost air cooled condensers are designed to operate with a temperature difference of
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Q279
Open questionThe humidity ratio or specific humidity is the mass of water vapour present in
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Q280
Open questionThe reciprocating refrigerant compressors are very suitable for
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