One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice
In 1 hour
In 1 minute
In 24 hours
In 12 hours
- The superheating in a refrigeration cycle
- Chaperon equation is applicable for registration at
- When the lower temperature of a refrigerating machine is fixed, then the coefficient of performance…
- The relative humidity is defined as
- The sensible heat factor during cooling and dehumidification process is given by (where h₁ =…
- Condensing temperature in a refrigerator is the temperature
- The total pressure exerted by the mixture of air and water vapour is equal to the sum of pressures which…
- Efficiency of a Carnot engine is given as 80%. If the cycle direction be reversed, what will be the…
- The colour of the flame of halide torch, in case of leakage of Freon refrigerant, will change to
- Which of the following statement is correct?
- In refrigerators, the temperature difference between the evaporating refrigerant and the medium being…
- A thermostatic expansion valve in a refrigeration system
- In vapour compression cycle, the condition of refrigerant is saturated liquid
- Pressure of water vapour is given by
- In case of sensible cooling of air, the coil efficiency is given by
- The unit of thermal diffusivity is
- The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature…
- For air conditioning the operation theatre in a hospital, the percentage of outside air in the air supplied…
- During humidification process, dry bulb temperature
- The coefficient of performance of a domestic refrigerator is ________ as compared to a domestic air-conditioner.
- The specific humidity during humidification process
- The process, generally used in winter air-conditioning to warm and humidity the air, is called
- Aqua ammonia is used as refrigerant in the following type of refrigeration system
- In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is
- The refrigerant used in small tonnage commercial machines (hermetically sealed units) is
- Most of the domestic refrigerators work on the following refrigeration system
- Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure,…
- During sensible cooling,
- The moisture in a refrigerant is removed by
- The temperature of air recorded by a thermometer, when it is not affected by the moisture present in…