Our website is made possible by displaying online advertisements to our visitors. Please consider supporting us by whitelisting our website.

Mechanical Engineering

In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning /
Question: In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be
[A].

0.3

[B].

0.6

[C].

0.67

[D].

1.5

Answer: Option B

Explanation:

No answer description available for this question.

In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be Read More »

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning

During dehumidification process, __________ remains constant.

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning /
Question: During dehumidification process, __________ remains constant.
[A].

wet bulb temperature

[B].

relative humidity

[C].

dry bulb temperature

[D].

specific humidity

Answer: Option C

Explanation:

No answer description available for this question.

During dehumidification process, __________ remains constant. Read More »

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning

During humidification process, __________ increases.

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning /
Question: During humidification process, __________ increases.
[A].

wet bulb temperature

[B].

relative humidity

[C].

dry bulb temperature

[D].

specific humidity

Answer: Option B

Explanation:

No answer description available for this question.

During humidification process, __________ increases. Read More »

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning

The by-pass factor of a cooling coil decreases with

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning /
Question: The by-pass factor of a cooling coil decreases with
[A].

decrease in fin spacing and increase in number of rows

[B].

increase in fin spacing and increase in number of rows

[C].

increase in fin spacing and decrease in number of rows

[D].

decrease in fin spacing and decrease in number of rows

Answer: Option A

Explanation:

No answer description available for this question.

The by-pass factor of a cooling coil decreases with Read More »

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning

The by-pass factor for a cooling coil

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning /
Question: The by-pass factor for a cooling coil
[A].

increases with increase in velocity of air passing through it

[B].

decreases with increase in velocity of air passing through it

[C].

remains unchanged with increase in velocity of air passing through it

[D].

may increase or decrease with increase in velocity of air passing through it depending upon the condition of air entering

Answer: Option A

Explanation:

No answer description available for this question.

The by-pass factor for a cooling coil Read More »

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning

In case ofsensible cooling of air, the coil efficiency is given by

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning /
Question: In case ofsensible cooling of air, the coil efficiency is given by
[A].

B.P.F. – 1

[B].

1 – B.P.F.

[C].

[D].

1 + B.P.F.

Answer: Option B

Explanation:

No answer description available for this question.

In case ofsensible cooling of air, the coil efficiency is given by Read More »

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning

The by-pass factor, in case of sensible cooling of air, is given by (where td1 = Dry bulb temperature of air entering the cooling coil, td2 = Dry bulb temperature of air leaving the cooling coil, and td3 = Dry bulb temperature of the cooling coil)

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning /
Question: The by-pass factor, in case of sensible cooling of air, is given by (where td1 = Dry bulb temperature of air entering the cooling coil, td2 = Dry bulb temperature of air leaving the cooling coil, and td3 = Dry bulb temperature of the cooling coil)
[A].

[B].

[C].

[D].

Answer: Option B

Explanation:

No answer description available for this question.

The by-pass factor, in case of sensible cooling of air, is given by (where td1 = Dry bulb temperature of air entering the cooling coil, td2 = Dry bulb temperature of air leaving the cooling coil, and td3 = Dry bulb temperature of the cooling coil) Read More »

Heat Transfer, Mechanical Engineering, Refrigeration and Air Conditioning