CHEMICAL ENGINEERING | Materials and Construction

‘Age hardening’ of duralumin is due to

Byadmin August 29, 2022

Question: ‘Age hardening’ of duralumin is due to
[A].

copper

[B].

magnesium

[C].

both (a) & (b)

[D].

neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Mass Transfer

A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.

Question: A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.
[A].

10-15
[B].
30-40
[C].
70-80
[D].
90-100

Answer: Option A

Explanation:

No answer description available for this question.

Read More A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.
CHEMICAL ENGINEERING | Heat Transfer

(NGr x NPr) is called the __________ number.

Question: (NGr x NPr) is called the __________ number.
[A].

Graetz
[B].
Reyleigh
[C].
Nusselt
[D].
Stanton

Answer: Option B

Explanation:

No answer description available for this question.

Read More (NGr x NPr) is called the __________ number.
CHEMICAL ENGINEERING | Furnace Technology

Low stack loss indicates the

Question: Low stack loss indicates the
[A].

use of sub-stoichiometric air for combustion.
[B].
efficient use of fuel.
[C].
inefficient use of fuel.
[D].
oxygen enrichment of combustion air.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Low stack loss indicates the
CHEMICAL ENGINEERING | Chemical Process

BHC (Benzene hexachloride) is made by the chlorination of benzene

Question: BHC (Benzene hexachloride) is made by the chlorination of benzene
[A].

which is an addition reaction.
[B].
which is a substitution reaction.
[C].
in absolute dark.
[D].
in presence of sunlight.

Answer: Option A

Explanation:

No answer description available for this question.

Read More BHC (Benzene hexachloride) is made by the chlorination of benzene
CHEMICAL ENGINEERING | Materials and Construction

Interchain forces are the weakest in case of

Question: Interchain forces are the weakest in case of
[A].

plastics
[B].
fibres
[C].
elastomers
[D].
both rubber & elastomers

Answer: Option D

Explanation:

No answer description available for this question.

Read More Interchain forces are the weakest in case of
CHEMICAL ENGINEERING | Chemical Reaction Engineering

Cold shot cooling is only practical when the feed temperature is __________ than the reaction temperature.

Question: Cold shot cooling is only practical when the feed temperature is __________ than the reaction temperature.
[A].

higher
[B].
much higher
[C].
lower
[D].
much lower

Answer: Option D

Explanation:

No answer description available for this question.

Read More Cold shot cooling is only practical when the feed temperature is __________ than the reaction temperature.

Similar Posts