In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient

Byadmin August 23, 2022

Question: In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient
[A].

increases

[B].

decreases

[C].

is not affected

[D].

may increase or decrease; depends on the feed

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Reaction Engineering

In case of a consecutive unimolecular type first order reaction , the concentration of component __________ increases continuously with time.

Question: In case of a consecutive unimolecular type first order reaction , the concentration of component __________ increases continuously with time.
[A].

S
[B].
R
[C].
A
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More In case of a consecutive unimolecular type first order reaction , the concentration of component __________ increases continuously with time.
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be

Question: A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be
[A].

1.33
[B].
2.33
[C].
3.33
[D].
4.33

Answer: Option B

Explanation:

No answer description available for this question.

Read More A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be
CHEMICAL ENGINEERING | Chemical Process

Antibiotic

Question: Antibiotic
[A].

inhibits/destroys the growth of microorganisms.
[B].
is used as a pain reliever.
[C].
is an antimalarial.
[D].
is an anaesthetic.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Antibiotic
CHEMICAL ENGINEERING | Fluid Mechanics

In the low Reynolds number region, the drag force on a sphere is proportional to

Question: In the low Reynolds number region, the drag force on a sphere is proportional to
[A].

V
[B].
V2
[C].
V4
[D].
V0.5

Answer: Option A

Explanation:

No answer description available for this question.

Read More In the low Reynolds number region, the drag force on a sphere is proportional to
CHEMICAL ENGINEERING

The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as__________________?

The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as__________________?

A. Rigid
B. Tough
C. Ductile
D. Plastic

Read More The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as__________________?
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In a parallel flow heat exchanger, the rate of flow of heat and the rate of decrease of temperature are maximum.

Question: In a parallel flow heat exchanger, the rate of flow of heat and the rate of decrease of temperature are maximum.
[A].

Yes
[B].
No

Answer: Option A

Explanation:

No answer description available for this question.

Read More In a parallel flow heat exchanger, the rate of flow of heat and the rate of decrease of temperature are maximum.

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