CHEMICAL ENGINEERING | Fertiliser Technology

Nitric acid is produced on commercial scale in a fertiliser plant by

Byadmin August 13, 2022

Question: Nitric acid is produced on commercial scale in a fertiliser plant by
[A].

oxidation of ammonia.

[B].

CaNO3 + H2SO4 reaction.

[C].

passing air through high voltage electric arc.

[D].

none of these.

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fluid Mechanics

Existence of boundary layer in fluid flow is because of the

Question: Existence of boundary layer in fluid flow is because of the
[A].

surface tension
[B].
fluid density
[C].
fluid viscosity
[D].
gravity forces

Answer: Option C

Explanation:

No answer description available for this question.

Read More Existence of boundary layer in fluid flow is because of the
CHEMICAL ENGINEERING | Heat Transfer

An insulator should have

Question: An insulator should have
[A].

low thermal conductivity.
[B].
high thermal conductivity.
[C].
less resistance to heat flow.
[D].
a porous structure.

Answer: Option A

Explanation:

No answer description available for this question.

Read More An insulator should have
CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ has the highest melting point out of the following.

Question: __________ has the highest melting point out of the following.
[A].

Tungsten
[B].
Zirconium
[C].
Molybdenum
[D].
Tantalum

Answer: Option A

Explanation:

No answer description available for this question.

Read More __________ has the highest melting point out of the following.
CHEMICAL ENGINEERING

The main reducing agent in iron blast furnace is____________________?

The main reducing agent in iron blast furnace is____________________?

A. Carbon dioxide
B. Carbon monoxide
C. Oxygen
D. Air

Read More The main reducing agent in iron blast furnace is____________________?
CHEMICAL ENGINEERING | Chemical Engineering Plant Economics

Gantt chart (or Bar chart) is helpful in

Question: Gantt chart (or Bar chart) is helpful in
[A].

efficient utilisation of manpower and machines.
[B].
preparing production schedule.
[C].
efficient despatching of products.
[D].
inventory control.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Gantt chart (or Bar chart) is helpful in
CHEMICAL ENGINEERING | Mass Transfer

A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is

Question: A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is
[A].

1000
[B].
1500
[C].
2000
[D].
2500

Answer: Option A

Explanation:

No answer description available for this question.

Read More A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is

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