On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will____________________?

Byadmin March 12, 2019August 30, 2021

On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will____________________?

A. Increase
B. Decrease
C. Remain same
D. Increase in summer and will decrease in winter

Thermodynamics for Chemical

Out of the following refrigeration cycles, which one has maximum COP ?

Out of the following refrigeration cycles, which one has maximum COP ?

A. Air cycle
B. Carnot cycle
C. Ordinary vapor compression cycle
D. Vapor compression with a reversible expansion engine

Read More Out of the following refrigeration cycles, which one has maximum COP ?
Thermodynamics for Chemical

If atmospheric temperature and dew point are nearly equal, then the relative humidity is_______________?

If atmospheric temperature and dew point are nearly equal, then the relative humidity is_______________?

A. Zero
B. 50%
C. Almost 100%
D. unpredictable

Read More If atmospheric temperature and dew point are nearly equal, then the relative humidity is_______________?
Thermodynamics for Chemical

In polytropic process (PVn = constant), if n = 1; it means a/an ______________ process?

In polytropic process (PVn = constant), if n = 1; it means a/an ______________ process?

A. Adiabatic
B. Reversible
C. Isothermal
D. None of these

Read More In polytropic process (PVn = constant), if n = 1; it means a/an ______________ process?
Thermodynamics for Chemical

In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible ______________ process?

In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible ______________ process?

A. Isobaric
B. Isothermal
C. Isentropic
D. Isometric

Read More In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible ______________ process?
Thermodynamics for Chemical

The principle applied in liquefaction of gases is_____________________?

The principle applied in liquefaction of gases is_____________________?

A. Adiabatic expansion
B. Joule-Thomson effect
C. Both A. and B
D. Neither A. nor B

Read More The principle applied in liquefaction of gases is_____________________?
Thermodynamics for Chemical

Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a _____________ vapour?

Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a _____________ vapour?

A. Superheated
B. Desuperheated
C. Non-condensable
D. None of these

Read More Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a _____________ vapour?

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