Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Carbon dioxide R-12 Sulphur dioxide Lithium bromide Carbon dioxide R-12 Sulphur dioxide Lithium bromide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The process, generally used in summer air conditioning to cool and dehumidify the air, is called Dehumidification Heating and humidification Cooling and dehumidification Humidification Dehumidification Heating and humidification Cooling and dehumidification Humidification ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In which of the following refrigeration system, waste heat can be effectively used? Vapour compression cycle None of the listed here Air refrigeration cycle Vapour absorption cycle Vapour compression cycle None of the listed here Air refrigeration cycle Vapour absorption cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is 7.44 kW 18.6 kW 3.72 kW 1.86 kW 7.44 kW 18.6 kW 3.72 kW 1.86 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following cycles uses air as the refrigerant? Carnot Stirling Ericson Bell Coleman Carnot Stirling Ericson Bell Coleman ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The advantage of dry compression is that It permits complete evaporation in the evaporator It permits higher speeds to be used It results in high volumetric and mechanical efficiency All of these It permits complete evaporation in the evaporator It permits higher speeds to be used It results in high volumetric and mechanical efficiency All of these ANSWER DOWNLOAD EXAMIANS APP
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