CHEMICAL ENGINEERING | Chemical Engineering Basics

For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be

Byadmin August 8, 2022

Question: For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be
[A].

100% indirect reduction.

[B].

100% direct reduction.

[C].

50-60% indirect reduction.

[D].

30-40% indirect reduction.

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Environmental Engineering

Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan

Question: Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan
[A].

with greater number of blades.
[B].
of increased diameter.
[C].
both (a) & (b).
[D].
neither (a) nor (b).

Answer: Option C

Explanation:

No answer description available for this question.

Read More Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan
CHEMICAL ENGINEERING | Chemical Engineering Basics

Compression ratio of an I.C. engine is the ratio of the

Question: Compression ratio of an I.C. engine is the ratio of the
[A].

clearance volume to the volume swept by piston per stroke.
[B].
volume of air in cylinder before compression to that after compression.
[C].
pressure after compression to that before compression.
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Fluid Mechanics

Design of the casing of centrifugal pump should be such as to minimise the

Question: Design of the casing of centrifugal pump should be such as to minimise the
[A].

back flow through impeller
[B].
loss of kinetic head
[C].
loss of static head
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Design of the casing of centrifugal pump should be such as to minimise the
Chemical Engineering Basics

Mild steel has _______________ crystal lattice structure?

Mild steel has _______________ crystal lattice structure?

A. Face centred cubic (fcc)
B. Body centred cubic (bcc)
C. Orthorhombic
D. Cubic

Read More Mild steel has _______________ crystal lattice structure?
CHEMICAL ENGINEERING | Fertiliser Technology

__________ is the undesirable by-product produced in the manufacture of urea.

Question: __________ is the undesirable by-product produced in the manufacture of urea.
[A].

Ammonium carbonate
[B].
Biuret
[C].
Carbon dioxide
[D].
Ammonium carbamate

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ is the undesirable by-product produced in the manufacture of urea.
CHEMICAL ENGINEERING | Fluid Mechanics

Fanning friction factor is equal to(where, fB = Blassius friction factor).

Question: Fanning friction factor is equal to(where, fB = Blassius friction factor).
[A].

fB/4
[B].
fB/2
[C].
4fB
[D].
2fB

Answer: Option A

Explanation:

No answer description available for this question.

Read More Fanning friction factor is equal to(where, fB = Blassius friction factor).

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