Dry bulb temperature is the temperature of air recorded by a thermometer, when i

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Question
Dry bulb temperature is the temperature of air recorded by a thermometer, when
Options
A. it is not affected by the moisture present in the air
B. its bulb is surrounded by a wet cloth exposed to the air
C. the moisture present in it begins to condense
D. none of the above

Correct Answer

it is not affected by the moisture present in the air

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2. A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called
Options
A. automatic expansion valve
B. high side float valve
C. thermostatic expansion valve
D. low side float valve

3. The temperature of air recorded by a thermometer, when its bulb is surrounded by a wet cloth exposed to the air, is called
Options
A. wet bulb temperature
B. dry bulb temperature
C. dew point temperature
D. none of these

7. The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles caused by some mechanical means, is known as
Options
A. conduction
B. free convection
C. forced convection
D. radiation

10. Which of the following statement is wrong?
Options
A. The value of C.O.P. is always greater than one.
B. In a vapour compression system, the condition of refrigerant before entering the compressor is dry saturated vapour.
C. The space between the saturated liquid line and saturated vapour line, in a pressure enthalpy chart, is wet vapour region.
D. none of the above

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