CHEMICAL ENGINEERING | Fuels and Combustion

Coke oven gas is stripped of its H2S and mercaptans content by

Byadmin August 17, 2022

Question: Coke oven gas is stripped of its H2S and mercaptans content by
[A].

absorption in wash oil.

[B].

adsorption on bog iron bed.

[C].

bubbling it through dilute sulphuric acid.

[D].

adsorption on silica gel.

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Furnace Technology

Neutral atmosphere is maintained in a/an __________ furnace.

Question: Neutral atmosphere is maintained in a/an __________ furnace.
[A].

cold rolled steel coil annealing
[B].
open hearth
[C].
soaking pit
[D].
walking beam reheating

Answer: Option A

Explanation:

No answer description available for this question.

Read More Neutral atmosphere is maintained in a/an __________ furnace.
CHEMICAL ENGINEERING | Heat Transfer

A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires

Question: A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires
[A].

less heating surface.
[B].
more space.
[C].
lower maintenance cost.
[D].
none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Read More A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires
CHEMICAL ENGINEERING | Fluid Mechanics

Co-efficient of velocity is __________ the coefficient of discharge.

Question: Co-efficient of velocity is __________ the coefficient of discharge.
[A].

less than
[B].
more than
[C].
equal to
[D].
not related to

Answer: Option B

Explanation:

No answer description available for this question.

Read More Co-efficient of velocity is __________ the coefficient of discharge.
CHEMICAL ENGINEERING | Fuels and Combustion

Fuel combustion is never cent per cent efficient due to

Question: Fuel combustion is never cent per cent efficient due to
[A].

incomplete combustion
[B].
dry gas/stack gas loss
[C].
moisture loss
[D].
all (a), (b) and (c)

Answer: Option D

Explanation:

No answer description available for this question.

Read More Fuel combustion is never cent per cent efficient due to
CHEMICAL ENGINEERING | Chemical Process

Good quality of edible salt is obtained from brine by the process of

Question: Good quality of edible salt is obtained from brine by the process of
[A].

solar evaporation
[B].
vacuum evaporation
[C].
freeze drying
[D].
electrolysis

Answer: Option B

Explanation:

No answer description available for this question.

Read More Good quality of edible salt is obtained from brine by the process of
CHEMICAL ENGINEERING | Heat Transfer

Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is

Question: Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is
[A].

finned tube heat exchanger with air inside and steam outside.
[B].
finned tube heat exchanger with air outside and steam inside.
[C].
shell and tube heat exchanger with air inside tubes and steam on shell side.
[D].
shell and tube heat exchanger with air on shell side and steam inside tubes.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is

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