Refrigeration and Air Conditioning The vapour compression refrigerator employs the following cycle Carnot Reversed Carnot Reversed Rankine Rankine Carnot Reversed Carnot Reversed Rankine Rankine ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The evaporator changes the low pressure liquid refrigerant from the expansion valve into High pressure liquid refrigerant None of these Low pressure vapour refrigerant Low pressure liquid and vapour refrigerant High pressure liquid refrigerant None of these Low pressure vapour refrigerant Low pressure liquid and vapour refrigerant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Chaperon equation is a relation between 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 Temperature and enthalpy Temperature, pressure, specific volume and enthalpy ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The refrigerant used in small tonnage commercial machines (hermetically sealed units) is Sulphur dioxide R-12 Carbon dioxide Ammonia Sulphur dioxide R-12 Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The emissivity of a polished silver body is ____ as compared to black body. Very low High Same Low Very low High Same Low ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which each constituent would exert, if it occupied the same space by itself. This statement is called Avogadro's hypothesis Dalton's law of partial pressures Kinetic theory of gases Newton's law of gases Avogadro's hypothesis Dalton's law of partial pressures Kinetic theory of gases Newton's law of gases ANSWER DOWNLOAD EXAMIANS APP