Dew point temperature corresponds to the saturation temperature of vapour at its partial pressure.

Byadmin September 14, 2022

Question: Dew point temperature corresponds to the saturation temperature of vapour at its partial pressure.
[A].

True

[B].

False

Answer: Option A

Explanation:

No answer description available for this question.

Heat Transfer

Absorptivity of a body will be equal to its emissivity___________________?

Absorptivity of a body will be equal to its emissivity___________________?

A. at all temperatures
B. at one particular temperature
C. when system is under thermal equi-librium
D. at critical temperature
E. for a polished body

Read More Absorptivity of a body will be equal to its emissivity___________________?
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

Conduction is a process of heat transfer

Question: Conduction is a process of heat transfer
[A].

from one particle of the body to another without the actual motion of the particles
[B].
from one particle of the body to another by the actual motion of the heated particles.
[C].
from a hot body to a cold body, in a straight line, without affecting the intervening medium
[D].
none of the above

Answer: Option A

Explanation:

No answer description available for this question.

Read More Conduction is a process of heat transfer
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature to 50% relative humidity and 25° C dry bulb temperature (room condition). The practical arrangement will be

Question: It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature to 50% relative humidity and 25° C dry bulb temperature (room condition). The practical arrangement will be
[A].

dehumidification
[B].
cooling and humidification
[C].
cooling and dehumidification
[D].
dehumidification and pure sensible cooling

Answer: Option C

Explanation:

No answer description available for this question.

Read More It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature to 50% relative humidity and 25° C dry bulb temperature (room condition). The practical arrangement will be
Hydraulics and Fluid Mechanics | Mechanical Engineering

If the depth of water in an open channel is less than the critical depth, the flow is called

Question: If the depth of water in an open channel is less than the critical depth, the flow is called
[A].

critical flow
[B].
turbulent flow
[C].
tranquil flow
[D].
torrential flow

Answer: Option D

Explanation:

No answer description available for this question.

Read More If the depth of water in an open channel is less than the critical depth, the flow is called
Heat Transfer

According to Wien’s law, the wavelength corresponding to maximum energy is proportion to ________________?

According to Wien’s law, the wavelength corresponding to maximum energy is proportion to ________________?

A. absolute temperature (T)
B. I2
C. f
D. t
E. 1/r

Read More According to Wien’s law, the wavelength corresponding to maximum energy is proportion to ________________?
Heat Transfer

The concept of overall coefficient of heat transfer is used in case of heat transfer by________________?

The concept of overall coefficient of heat transfer is used in case of heat transfer by________________?

A. conduction
B. convection
C. radiation
D. conduction and convection
E. convection and radiation

Read More The concept of overall coefficient of heat transfer is used in case of heat transfer by________________?

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