Which of the following refrigerant has the lowest boiling point?

Byadmin September 14, 2022

Question: Which of the following refrigerant has the lowest boiling point?
[A].

Ammonia

[B].

Carbon dioxide

[C].

Sulphur dioxide

[D].

R-12

Answer: Option B

Explanation:

No answer description available for this question.

Refrigeration and Air Conditioning

The vapor pressure of refrigerant should be_________________?

The vapor pressure of refrigerant should be_________________?

A. lower than atmospheric pressure
B. higher than atmospheric pressure
C. equal to atmospheric pressure
D. could be anything
E. none of the above

Read More The vapor pressure of refrigerant should be_________________?
Engineering Mechanics | Mechanical Engineering

In a framed structure, as shown in the below figure, the force in the member BC is

Question: In a framed structure, as shown in the below figure, the force in the member BC is
[A].

W/3 (compression)
[B].
W/3 (tension)
[C].
2W/3 (compression)
[D].
2W/3 (tension)

Answer: Option D

Explanation:

No answer description available for this question.

Read More In a framed structure, as shown in the below figure, the force in the member BC is
Industrial Engineering And Production Management | Mechanical Engineering

In big automobile repair shop, for elevating and moving the heavy parts such as complete engine assembly, gear box etc., an overhead crane and a fork lift truck is used.

Question: In big automobile repair shop, for elevating and moving the heavy parts such as complete engine assembly, gear box etc., an overhead crane and a fork lift truck is used.
[A].

Yes
[B].
No

Answer: Option A

Explanation:

No answer description available for this question.

Read More In big automobile repair shop, for elevating and moving the heavy parts such as complete engine assembly, gear box etc., an overhead crane and a fork lift truck is used.
CHEMICAL ENGINEERING | Heat Transfer

A multiple effect evaporator as compared to a single effect evaporator of the same capacity has

Question: A multiple effect evaporator as compared to a single effect evaporator of the same capacity has
[A].

lower heat transfer area.
[B].
lower steam economy.
[C].
higher steam economy.
[D].
higher solute concentration in the product.

Answer: Option C

Explanation:

No answer description available for this question.

Read More A multiple effect evaporator as compared to a single effect evaporator of the same capacity has
Engineering Mechanics | Mechanical Engineering

Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.

Question: Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.
[A].

nine times
[B].
six times
[C].
four times
[D].
two times

Answer: Option A

Explanation:

No answer description available for this question.

Read More Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.
Hydraulics and Fluid Mechanics | Mechanical Engineering

A flow is called sonic, if the Mach number is unity.

Question: A flow is called sonic, if the Mach number is unity.
[A].

Agree
[B].
Disagree

Answer: Option A

Explanation:

No answer description available for this question.

Read More A flow is called sonic, if the Mach number is unity.

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