What is Refrigeration?
How is the refrigerant used in the Air refrigeration cycle?
Which of the following refers to the term C.O.P. of refrigeration?
Which of the following is NOT the advantages of using a closed Air Refrigeration system?
Which of the following is the S.I. unit to measure pressure in refrigeration?
Which of the following is the main disadvantage of natural refrigeration methods?
Which of the following is the result of a reduction in operating pressure in the Air refrigeration cycle?
Which of the following is the key difference between a simple VAR and Electrolux refrigerator?
Efficiency of the Refrigerator is _________ to the C.O.P of the refrigerator.
Which of the following will be the value of Refrigeration effect if m2 = 2 kg/min, m3 = 0.8 kg/min and enthalpies for the refrigerant at saturated vapor and saturated liquid line are 1420 and 1260 kJ/kg?
Which of the following of the refrigerant is used as a refrigerant in Lithium Bromide Absorption Refrigeration system?
Which of the following refrigerants are used in Electrolux and Li-Br water refrigeration system?
Which of the following will be the value of Refrigeration effect if m1 = 4 kg/min, and enthalpies for the point 1, 2, 4, 5, 9 are 1350, 1550, 1480, 1620, and 280 kJ/kg. If the refrigeration effect is 4280 kJ/min and work done is 15 kW, then what is the value of C.O.P.?
Which of the following is the common application of Air standard refrigeration system?
What is Air Conditioning?
Which of the following process is used in winter air conditioning?
On which of the following cycle the air conditioning systems are based in transport aviation?
Which of the following process is used in summer air conditioning?
If the Coefficient of performance of a heat pump is 5, then what is the value of the Coefficient of performance of the refrigerator operating under the same conditions?
How is the cascade system achieved?
In which of the following Capillary tube is used in as an expansion device?
Which of the following uses natural convection air-cooled condensers?
Which of the following is the material of tubes used for shell and tube condenser in ammonia refrigeration system?
Which of the following represents sensible cooling on the psychrometric chart?
Which of the following is the major equipment in the simplest form is used to do saturation of air?
Why is the evaporator used?
Which of the following refrigerants is having the lowest C.O.P for refrigeration system working under the temperature limits of -15°C and 30°C as evaporator and condenser temperature respectively?
Which of the following type of refrigerants take a direct part in the refrigeration system?