Where does the lowest temperature occur in a vapour compression cycle? Expansion valve Evaporator Condenser Compressor TRUE ANSWER : ? YOUR ANSWER : ?
In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor. Expansion valve Evaporator Compressor Condenser TRUE ANSWER : ? YOUR ANSWER : ?
The reciprocating refrigerant compressors are very suitable for Small displacements and high condensing pressures Large displacements and low condensing pressures Small displacements and low condensing pressures Large displacements and high condensing pressures TRUE ANSWER : ? YOUR ANSWER : ?
In a vapour compression system, the condition of refrigerant is dry saturated vapour After leaving the compressor Before entering the condenser After leaving the condenser Before entering the compressor TRUE ANSWER : ? YOUR ANSWER : ?
Critical pressure of a liquid is the pressure Above which liquid becomes gas Above which liquid will remain liquid Above which liquid becomes vapour Above which liquid becomes solid TRUE ANSWER : ? YOUR ANSWER : ?
The leaks in a refrigeration system using Freon are detected by Smelling Sulphur sticks which on detection gives white smoke Halide torch which on detection produces greenish flame lighting Using reagents TRUE ANSWER : ? YOUR ANSWER : ?
In a refrigeration cycle, the flow of refrigerant is controlled by Condenser Evaporator Compressor Expansion valve TRUE ANSWER : ? YOUR ANSWER : ?
Degree of saturation or percentage humidity is The mass of water vapour present in 1 m³ of dry air The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure The mass of water vapour present in 1 kg of dry air The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statement is wrong? The value of C.O.P. is always greater than one None of the listed here In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region TRUE ANSWER : ? YOUR ANSWER : ?
In vapour compression cycle, the condition of refrigerant is saturated liquid After passing through the expansion throttle valve Before passing through the condenser Before entering the expansion valve After passing through the condenser TRUE ANSWER : ? YOUR ANSWER : ?