During sensible cooling,
Relative humidity remains constant
Wet bulb temperature increases
Specific humidity increases
Partial pressure of vapour remains constant
- At lower temperatures and pressures, the latent heat of vaporisation of a refrigerant
- A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will…
- Chaperon equation is applicable for registration at
- The boiling point of ammonia is
- The mass of water vapour present in __________ is called absolute humidity.
- The leakage in a refrigeration system using ammonia is detected by
- The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is
- The difference between dry bulb temperature and dew point temperature, is called
- The condensing pressure due to the presence of non-condensable gases, as compared to that actually required…
- Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since
- Moisture in Freon refrigeration system causes
- The capillary tube, as an expansion device, is used in
- During sensible cooling of air ________ decreases.
- As relative humidity decreases, the dew point temperature will be ________ wet bulb temperature.
- Degree of saturation or percentage humidity is
- The condition of refrigerant as it leaves the compressor in a vapour compression system is
- The COP of a domestic refrigerator
- Relative humidity is given by (where pv = Partial pressure of water vapour, pb = Barometric pressure,…
- The process, generally used in winter air-conditioning to warm and humidity the air, is called
- When the air is passed through an insulated chamber having sprays of water maintained at a temperature…
- In vapour compression cycle the condition of refrigerant is superheated vapour
- In mechanical refrigeration system, the refrigerant has the maximum temperature
- Which of the following statement is correct for ammonia as a refrigerant?
- The boiling point of carbon dioxide is
- Short horizontal lines on pressure-enthalpy chart show
- The bypass factor, in case of sensible cooling of air, is given by (where td₁ = Dry bulb temperature…
- In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as…
- In a vapour compression cycle, the refrigerant immediately after expansion valve is
- Choose the correct statement
- If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature…