CHEMICAL ENGINEERING | Fluid Mechanics

Cavitation occurs in a centrifugal pump when the suction pressure is

Byadmin August 13, 2022

Question: Cavitation occurs in a centrifugal pump when the suction pressure is
[A].

less than the vapour pressure of the liquid at that temperature.

[B].

greater than the vapour pressure of the liquid at that temperature.

[C].

equal to the vapour pressure.

[D].

equal to the developed head.

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

Liquid nitrogen containers can be made from

Question: Liquid nitrogen containers can be made from
[A].

ferritic stainless steel
[B].
HSLA steel
[C].
titanium
[D].
austenitic stainless steel

Answer: Option B

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Fluid Mechanics

Applicability of Bernoulli’s equation is limited to a/an __________ fluid, that does not exchange shaft work with the surroundings.

Question: Applicability of Bernoulli’s equation is limited to a/an __________ fluid, that does not exchange shaft work with the surroundings.
[A].

incompressible
[B].
non-viscous
[C].
both (a) and (b)
[D].
neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

Read More Applicability of Bernoulli’s equation is limited to a/an __________ fluid, that does not exchange shaft work with the surroundings.
CHEMICAL ENGINEERING | Mass Transfer

If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent.

Question: If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent.
[A].

100
[B].
> 100
[C].
< 100
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent.
CHEMICAL ENGINEERING | Fertiliser Technology

P2O5 content in superphosphate is about __________ percent.

Question: P2O5 content in superphosphate is about __________ percent.
[A].

30-35
[B].
15-20
[C].
65-70
[D].
85-90

Answer: Option B

Explanation:

No answer description available for this question.

Read More P2O5 content in superphosphate is about __________ percent.
CHEMICAL ENGINEERING | Chemical Engineering Basics

Colour comparator is used to measure the

Question: Colour comparator is used to measure the
[A].

pH value
[B].
electrode potential
[C].
colour intensity
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More Colour comparator is used to measure the
CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ can replace tungsten in high speed steel.

Question: __________ can replace tungsten in high speed steel.
[A].

Chromium
[B].
Vanadium
[C].
Cobalt
[D].
Molybdenum

Answer: Option C

Explanation:

No answer description available for this question.

Read More __________ can replace tungsten in high speed steel.

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