SSC JE ME Quiz_Refrigeration and Air Conditioning Booster Quiz-7

A heat engine having 70 % efficiency is used to drive a refrigerator having a COP of 5. The cooling produced by refrigerator per kJ energy absorbed by engine from heat source is

An apartment with 300 MJ/day load, requires an air conditioner plant of the capacity of about

The vapour compression refrigeration cycle is represented as shown in the figure below, with state ' 1 ' being the exit of the evaporator. The coordinate system used in this figure is

An Electrolux system of refrigeration has:

Partial pressure of water vapour at dew point temperature of moist air is 1.5 × 10^–3 MPa. The barometric pressure is 0.1 MPa. The specific humidity of air is

Water at 42°C is sprayed into a steam of air at atmospheric pressure, dry bulb temperature of 40°C and a wet bulb temperature of 20°C . The air leaving the spray humidifier is not saturated. Which of the following statements is true?

During the chemical dehumidification process of air

For leakage detection in a refrigeration system using Freon, which of the following is used:

Which of the following is a secondary refrigerant, when used above 0°C?