CHEMICAL ENGINEERING | Chemical Engineering Basics

With increase in temperature, the surface tension of water

Byadmin July 30, 2022

Question: With increase in temperature, the surface tension of water
[A].

increases

[B].

decreases

[C].

remains constant

[D].

increases linearly

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

Function of blow down valve in a boiler is to

Question: Function of blow down valve in a boiler is to
[A].

maintain the drum level.
[B].
keep the drum pressure constant.
[C].
drain out the sludge from the drum.
[D].
empty the boiler during shutdown.

Answer: Option C

Explanation:

No answer description available for this question.

Read More Function of blow down valve in a boiler is to
CHEMICAL ENGINEERING | Mass Transfer

For absorbers, high pressure drop results in

Question: For absorbers, high pressure drop results in
[A].

increased efficiency.
[B].
decreased efficiency.
[C].
high operating cost.
[D].
better gas liquid contact.

Answer: Option C

Explanation:

No answer description available for this question.

Read More For absorbers, high pressure drop results in
CHEMICAL ENGINEERING | Environmental Engineering

CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones.

Question: CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones.
[A].

102
[B].
105
[C].
109
[D].
1015

Answer: Option B

Explanation:

No answer description available for this question.

Read More CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones.
CHEMICAL ENGINEERING | Chemical Process

Air used in aerobic fermentation must be sterilized, otherwise the

Question: Air used in aerobic fermentation must be sterilized, otherwise the
[A].

recovery of product will be difficult.
[B].
contamination of pure culture would result.
[C].
uniformity of product cannot be achieved.
[D].
none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Air used in aerobic fermentation must be sterilized, otherwise the
Chemical Engineering Basics

Which of the following is the largest quantum of pressure ?

Which of the following is the largest quantum of pressure ?

A. 1 kg/cm2
B. 1 bar
C. 1 atmosphere
D. 1 kilo Pascal

Read More Which of the following is the largest quantum of pressure ?
CHEMICAL ENGINEERING | Chemical Engineering Basics

Buoyancy force depends on the __________ the liquid.

Question: Buoyancy force depends on the __________ the liquid.
[A].

depth of immersion in
[B].
displaced mass of
[C].
surface tension of
[D].
viscosity of

Answer: Option B

Explanation:

No answer description available for this question.

Read More Buoyancy force depends on the __________ the liquid.

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