In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.

Byadmin July 24, 2022

Question: In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.
[A].

lower than

[B].

higher than

[C].

equal to

[D].

either (a) or (b), depends on the mixture composition

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fuels and Combustion

For maximum discharge through a chimney, its height should be

Question: For maximum discharge through a chimney, its height should be
[A].

200 meters.
[B].
infinitely long.
[C].
more than 105.7 metres.
[D].
equal to the height of the hot gas column producing draught.

Answer: Option D

Explanation:

No answer description available for this question.

Read More For maximum discharge through a chimney, its height should be
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in

Question: In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in
[A].

enhanced COP.
[B].
decreased COP.
[C].
no change in the value of COP.
[D].
increased or decreased COP ; depending upon the type of refrigerant.

Answer: Option A

Explanation:

No answer description available for this question.

Read More In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in
CHEMICAL ENGINEERING | Fluid Mechanics

The capacity of a centrifugal pump Can be increased by increasing the

Question: The capacity of a centrifugal pump Can be increased by increasing the
[A].

impeller diameter or speed.
[B].
number of pumps and joining them in series,
[C].
number of pumps and joining them in parallel.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More The capacity of a centrifugal pump Can be increased by increasing the
CHEMICAL ENGINEERING | Mass Transfer

For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is

Question: For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is
[A].

calculated
[B].
unknown
[C].
known
[D].
not required

Answer: Option C

Explanation:

No answer description available for this question.

Read More For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is
CHEMICAL ENGINEERING | Chemical Engineering Basics

The best criterion for analysing an economic investment is the

Question: The best criterion for analysing an economic investment is the
[A].

rate of return criterion.
[B].
present value method.
[C].
salvage value.
[D].
future value method.

Answer: Option A

Explanation:

No answer description available for this question.

Read More The best criterion for analysing an economic investment is the
CHEMICAL ENGINEERING | Fluid Mechanics

A stream tube is that, which has __________ cross-section entirely bounded by stream lines.

Question: A stream tube is that, which has __________ cross-section entirely bounded by stream lines.
[A].

a circular
[B].
any convenient
[C].
a small
[D].
a large

Answer: Option B

Explanation:

No answer description available for this question.

Read More A stream tube is that, which has __________ cross-section entirely bounded by stream lines.

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