Moisture should be removed from refrigerants to avoid

Byadmin September 14, 2022

Question: Moisture should be removed from refrigerants to avoid
[A].

freezing at the expansion valve

[B].

restriction to refrigerant flow

[C].

corrosion of steel plates

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Heat Transfer

Fouling factor for a heat exchanger is given by (where, U1 = heat transfer co-efficient of dirty surface U2 = heat transfer co-efficient of clean surface)

Question: Fouling factor for a heat exchanger is given by (where, U1 = heat transfer co-efficient of dirty surface U2 = heat transfer co-efficient of clean surface)
[A].

U1 – U2
[B].

[C].

[D].
U2 – U1

Answer: Option B

Explanation:

No answer description available for this question.

Read More Fouling factor for a heat exchanger is given by (where, U1 = heat transfer co-efficient of dirty surface U2 = heat transfer co-efficient of clean surface)
Heat Transfer

The value of Prandtl number for air is about _______________________?

The value of Prandtl number for air is about _______________________?

A. 0.1
B. 0.3
C. 0.7
D. 1.7
E. 10.5

Read More The value of Prandtl number for air is about _______________________?
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In aqua-ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in

Question: In aqua-ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in
[A].

condenser
[B].
evaporator
[C].
absorber
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More In aqua-ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in
Industrial Engineering And Production Management | Mechanical Engineering

A critical activity has

Question: A critical activity has
[A].

maximum slack
[B].
minimum slack
[C].
zero slack
[D].
average slack

Answer: Option C

Explanation:

No answer description available for this question.

Read More A critical activity has
Hydraulics and Fluid Mechanics | Mechanical Engineering

An ideal fluid is frictionless and incompressible.

Question: An ideal fluid is frictionless and incompressible.
[A].

Correct
[B].
Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

Read More An ideal fluid is frictionless and incompressible.
Hydraulics and Fluid Mechanics | Mechanical Engineering

If a body floating in a liquid does not return back to its original position, and heels farther “away when given a small angular displacement, the body is said to be in neutral equilibrium.

Question: If a body floating in a liquid does not return back to its original position, and heels farther “away when given a small angular displacement, the body is said to be in neutral equilibrium.
[A].

Yes
[B].
No

Answer: Option B

Explanation:

No answer description available for this question.

Read More If a body floating in a liquid does not return back to its original position, and heels farther “away when given a small angular displacement, the body is said to be in neutral equilibrium.

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