During heating and dehumidification process, dry bulb temperature None of these Remains constant Decreases Increases TRUE ANSWER : ? YOUR ANSWER : ?
The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and R-12 Sulphur dioxide Carbon dioxide Lithium bromide TRUE ANSWER : ? YOUR ANSWER : ?
The sensible heat factor during the heating and humidification process is given by (where h₁ = Enthalpy of air entering the heating coil, h₂ = Enthalpy of air leaving the heating coil, and hA = Enthalpy of air at the end of humidification process) (hA - h1)/ (h2 - h1) (h2 - hA)/ (h1 - h2) (hA - h2)/ (h1 - h2) (h1 - h2)/ (hA - h2) TRUE ANSWER : ? YOUR ANSWER : ?
In a vapour compression system, the condition of refrigerant before entering the expansion or throttle valve is High pressure saturated liquid Very wet vapour Dry vapour Wet vapour TRUE ANSWER : ? YOUR ANSWER : ?
Wet bulb temperature is the temperature of air recorded by a thermometer, when It is not affected by the moisture present in the air Its bulb is surrounded by a wet cloth exposed to the air None of these The moisture present in it begins to condense TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called Degree of saturation Absolute humidity Relative humidity Humidity ratio TRUE ANSWER : ? YOUR ANSWER : ?
A standard ice point temperature corresponds to the temperature of Solid and dry ice Water at 0°C Ice at 4°C Mixture of ice and water under equilibrium conditions TRUE ANSWER : ? YOUR ANSWER : ?
During a refrigeration cycle, heat is rejected by the refrigerant in a Condenser Compressor Evaporator Expansion valve TRUE ANSWER : ? YOUR ANSWER : ?
In case of sensible cooling of air, the coil efficiency is given by 1 + B.P.F. 1/ B.P.F. 1 - B.P.F. P.F. - 1 TRUE ANSWER : ? YOUR ANSWER : ?