At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant
Decreases
Increases
Remain same
Depends on other factors
- In a bootstrap air evaporative cooling system, the evaporator is provided
- The freezing point of R-12 is
- Reducing suction pressure in refrigeration cycle
- One of the purposes of sub cooling the liquid refrigerant is to
- The sub-cooling in a refrigeration cycle
- A human body feels comfortable when the heat produced by the metabolism of human body is equal to the
- Nusselt number (NN) is given by
- Ammonia is
- A standard ice point temperature corresponds to the temperature of
- The specific humidity during dehumidification process
- In a refrigeration system, heat absorbed in comparison to heat rejected is
- For better C.O.P of refrigerator, the pressure range corresponding to temperature in evaporator and…
- Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the…
- It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature…
- The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is
- A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called
- In a lithium bromide absorption refrigeration system
- The cooling system used for supersonic aircrafts and rockets is
- In mechanical refrigeration system, the refrigerant has the maximum temperature
- In a psychrometric chart, specific humidity (moisture content) lines are
- Carbon dioxide is
- The evaporator used in household refrigerators is
- The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed…
- The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by
- In a domestic vapour compression refrigerator, the refrigerant commonly used is
- The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature…
- The superheating in a refrigeration cycle
- Air refrigeration cycle is used in
- As relative humidity decreases, the dew point temperature will be ________ wet bulb temperature.
- A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature…