CHEMICAL ENGINEERING | Fuels and Combustion

Calorific value of of blast furnace gas is around __________ KCal/Nm3.

Byadmin August 17, 2022

Question: Calorific value of of blast furnace gas is around __________ KCal/Nm3.
[A].

850

[B].

1800

[C].

4200

[D].

6500

Answer: Option A

Explanation:

No answer description available for this question.

Fuels and Combustion

Which of the following combustibles is absent in blast furnace gas ?

Which of the following combustibles is absent in blast furnace gas ?

A. H2
B. CH4
C. CO
D. None of these

Read More Which of the following combustibles is absent in blast furnace gas ?
CHEMICAL ENGINEERING | Furnace Technology

Furnace pressure is normally controlled by regulating the

Question: Furnace pressure is normally controlled by regulating the
[A].

air pressure
[B].
fuel gas pressure
[C].
speed of I.D. fan
[D].
damper

Answer: Option D

Explanation:

No answer description available for this question.

Read More Furnace pressure is normally controlled by regulating the
CHEMICAL ENGINEERING | Chemical Engineering Basics

Friction factor for fluid flow in pipe does not depend upon the

Question: Friction factor for fluid flow in pipe does not depend upon the
[A].

pipe length.
[B].
pipe roughness.
[C].
fluid density & viscosity.
[D].
mass flow rate of fluid.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Friction factor for fluid flow in pipe does not depend upon the
CHEMICAL ENGINEERING | Fertiliser Technology

Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done.

Question: Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done.
[A].

increased biuret formation
[B].
high corrosion rate
[C].
increased cost of equipment
[D].
all (a), (b) & (c)

Answer: Option D

Explanation:

No answer description available for this question.

Read More Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done.
CHEMICAL ENGINEERING | Heat Transfer

For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it

Question: For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it
[A].

decreases the pressure drop.
[B].
decreases the outlet temperature of cooling medium.
[C].
increases the overall heat transfer coefficient.
[D].
none of these.

Answer: Option C

Explanation:

No answer description available for this question.

Read More For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it
CHEMICAL ENGINEERING | Chemical Engineering Basics

Earing is a defect found in steels after the following metal working operation (s).

Question: Earing is a defect found in steels after the following metal working operation (s).
[A].

Deep drawing
[B].
Rolling
[C].
Extrusion
[D].
Wire drawing

Answer: Option A

Explanation:

No answer description available for this question.

Read More Earing is a defect found in steels after the following metal working operation (s).

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