The power per tonne of refrigeration is
3.5/C.O.P.
C.O.P/3.5
3.5 × C.O.P.
None of these
- The sub-cooling in a refrigeration cycle
- Bell Coleman cycle is a
- The operating temperature of a cold storage is 2°C. The heat leakage from the surrounding is 30…
- The bypass factor, in case of sensible cooling of air, is given by (where td₁ = Dry bulb temperature…
- A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing…
- In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is
- The centrifugal compressors are generally used for refrigerants that require
- The leakage in a refrigeration system using ammonia is detected by
- In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the
- Highest pressure encountered in a refrigeration system should be
- Which of the following statement is wrong?
- The capillary tube, as an expansion device, is used in
- Degree of saturation or percentage humidity is
- In a refrigeration system, the expansion device is connected between the
- The optimum effective temperature for human comfort is
- One tonne of refrigeration (1TR) means that the heat removing capacity is
- Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure,…
- Domestic refrigerator working on vapour compression cycle uses the following type of expansion device
- The minimum temperature to which water can be cooled in a cooling tower is
- Vertical lines on pressure-enthalpy chart show constant
- The coefficient of performance is the ratio of the refrigerant effect to the
- A standard ice point temperature corresponds to the temperature of
- Which of the following refrigerant has the lowest boiling point?
- Which of the following refrigerant has the lowest freezing point?
- The sensible heat factor during cooling and dehumidification process is given by (where h₁ =…
- The freezing point of sulphur dioxide is
- Short horizontal lines on pressure-enthalpy chart show
- The vapour pressure of refrigerant should be
- The condition of refrigerant after passing through the expansion or throttle valve, in a vapour compression…
- An Electrolux refrigerator is called a __________ absorption system.