A plate of vane used to direct or control movement of fluid or air within the confined area is known as

Related MCQs

• Ten grams of moisture per kg of dry air is removed from atmospheric air during air conditioning and the temperature becomes 30?C. If the atmospheric conditions are 40?C DBT and 60% Relative humidity, the RH of air after refrigeration would be
• In case air is cooled by a process in which the humidity ratio of air does not change, the process is known as
• The ratio of specific humidity of moist air to the specific immidity of the saturated air at the same temperature, is known as
• The ratio of mass of water vapour associated with unit mass of dry air to the mass of water vapour associated with unit mass of dry air saturated at the same temperature is known as
• In a refrigerating system work done per kg of air is 20 kcal and heat extracted per kg of air is 25 kcal. The quantity of refrigerant used is 10 kg. The coefficient of performance of the system would be
• An increase in the movement of the molecules within a solid, liquid or gas corresponds to
• During air conditioning whenever two or more streams of moist air are mixed they follow
• Air for air conditioning of aircraft cabin is obtained by
• When the air temperature reaches the point where relative humidity is 100% the air is saturated because it cannot hold any more moisture. This temperature is called
• The dense air refrigeration system as compared to open air refrigeration system for same range of temperatures using Bell- Colemann cycle requires.