CHEMICAL ENGINEERING | Fluid Mechanics

With increase in pump speed, its NPSH requirement

Byadmin August 13, 2022

Question: With increase in pump speed, its NPSH requirement
[A].

decreases

[B].

increases

[C].

remains unaltered

[D].

can either increase or decrease ; depends on other factors

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

A large iceberg melts at the base, but not at the top, because of the reason that

Question: A large iceberg melts at the base, but not at the top, because of the reason that
[A].

ice at the base contains impurities which lowers its melting point.
[B].
due to the high pressure at the base, its melting point reduces.
[C].
the iceberg remains in a warmer condition at the base.
[D].
all (a), (b) and (c).

Answer: Option B

Explanation:

No answer description available for this question.

Read More A large iceberg melts at the base, but not at the top, because of the reason that
CHEMICAL ENGINEERING | Fluid Mechanics

Molten soap mass is transported by a __________ pump.

Question: Molten soap mass is transported by a __________ pump.
[A].

diaphragm
[B].
reciprocating
[C].
gear
[D].
centrifugal

Answer: Option D

Explanation:

No answer description available for this question.

Read More Molten soap mass is transported by a __________ pump.
CHEMICAL ENGINEERING | Heat Transfer

The capacity of double-effect evaporator is less than half of the capacity of two single effects, each of which is operating over same terminal temperature difference, when the

Question: The capacity of double-effect evaporator is less than half of the capacity of two single effects, each of which is operating over same terminal temperature difference, when the
[A].

solution has an elevation of boiling point.
[B].
evaporators operate under vacuum.
[C].
evaporators opreate at atmospheric pressure.
[D].
none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Read More The capacity of double-effect evaporator is less than half of the capacity of two single effects, each of which is operating over same terminal temperature difference, when the
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Lenz’s law results from the law of conservation of

Question: Lenz’s law results from the law of conservation of
[A].

mass
[B].
momentum
[C].
energy
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More Lenz’s law results from the law of conservation of
Fluid Mechanics

An ideal flow of any fluid must fulfill the following____________________?

An ideal flow of any fluid must fulfill the following____________________?

A. Newton’s law of motion
B. Newton’s law of viscosity
C. Pascal’ law
D. Continuity equation
E. Boundary layer theory

Read More An ideal flow of any fluid must fulfill the following____________________?
CHEMICAL ENGINEERING | Fuels and Combustion

Narrow coke ovens as compared to wider coke ovens

Question: Narrow coke ovens as compared to wider coke ovens
[A].

produce smaller coke.
[B].
produce stronger coke.
[C].
require less time of carbonisation.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Narrow coke ovens as compared to wider coke ovens

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