Refrigeration and Air Conditioning The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and Sulphur dioxide R-12 Lithium bromide Carbon dioxide Sulphur dioxide R-12 Lithium bromide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a reversed Brayton cycle, the heat is absorbed by the air during Constant pressure cooling process Isentropic expansion process Isentropic compression process Constant pressure expansion process Constant pressure cooling process Isentropic expansion process Isentropic compression process Constant pressure expansion process ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct for ammonia as a refrigerant? All of these It requires large displacement per TR compared to fluoro carbons. It is toxic to mucous membranes. It reacts with copper and its alloys. All of these It requires large displacement per TR compared to fluoro carbons. It is toxic to mucous membranes. It reacts with copper and its alloys. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is Reversed Brayton cycle Reversed Carnot cycle Reversed Joule cycle Reversed Otto cycle Reversed Brayton cycle Reversed Carnot cycle Reversed Joule cycle Reversed Otto cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a vapour compression system, the condition of refrigerant before passing through the condenser is Superheated vapour Dry saturated vapour Saturated liquid Wet vapour Superheated vapour Dry saturated vapour Saturated liquid Wet vapour ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Chaperon equation is a relation between Temperature and enthalpy Temperature, pressure, specific volume and enthalpy Temperature, pressure and enthalpy Specific volume and enthalpy Temperature and enthalpy Temperature, pressure, specific volume and enthalpy Temperature, pressure and enthalpy Specific volume and enthalpy ANSWER DOWNLOAD EXAMIANS APP
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