CHEMICAL ENGINEERING | Chemical Engineering Basics

An alloy of Fe – 0.4 % C is

Byadmin August 8, 2022

Question: An alloy of Fe – 0.4 % C is
[A].

cast iron.

[B].

hypo-eutectoid steel.

[C].

hyper-eutectoid steel.

[D].

eutectoid steel

Answer: Option B

Explanation:

No answer description available for this question.

Chemical Engineering Basics

Atomic _________________ of an element is a whole number ?

Atomic _________________ of an element is a whole number ?

A. Weight
B. Number
C. Volume
D. Radius

Read More Atomic _________________ of an element is a whole number ?
CHEMICAL ENGINEERING | Chemical Process

Commercial production of calcium carbide requires limestone and __________ as raw materials.

Question: Commercial production of calcium carbide requires limestone and __________ as raw materials.
[A].

coke
[B].
sand
[C].
soda ash
[D].
fuel oil

Answer: Option B

Explanation:

No answer description available for this question.

Read More Commercial production of calcium carbide requires limestone and __________ as raw materials.
CHEMICAL ENGINEERING | Fuels and Combustion

Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has

Question: Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has
[A].

higher calorific value.
[B].
lower hydrogen content.
[C].
both (a) and (b).
[D].
neither (a) nor (b).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has
CHEMICAL ENGINEERING | Chemical Engineering Plant Economics

A reactor having a salvage value of Rs. 10000 is estimated to have a service life of 10 years. The annual interest rate is 10%. The original cost of the reactor was Rs. 80000. The book value of the reactor after 5 years using sinking fund depreciation method will be Rs.

Question: A reactor having a salvage value of Rs. 10000 is estimated to have a service life of 10 years. The annual interest rate is 10%. The original cost of the reactor was Rs. 80000. The book value of the reactor after 5 years using sinking fund depreciation method will be Rs.
[A].

40096
[B].
43196
[C].
53196
[D].
60196

Answer: Option D

Explanation:

No answer description available for this question.

Read More A reactor having a salvage value of Rs. 10000 is estimated to have a service life of 10 years. The annual interest rate is 10%. The original cost of the reactor was Rs. 80000. The book value of the reactor after 5 years using sinking fund depreciation method will be Rs.
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Which of the following processes can not be made reversible even under ideal condition of operation?

Question: Which of the following processes can not be made reversible even under ideal condition of operation?
[A].

Free expansion of a gas.
[B].
Compression of air in a compressor.
[C].
Expansion of steam in a turbine.
[D].
all (a), (b) & (c).

Answer: Option A

Explanation:

No answer description available for this question.

Read More Which of the following processes can not be made reversible even under ideal condition of operation?
CHEMICAL ENGINEERING | Furnace Technology

Decarburisation of steel

Question: Decarburisation of steel
[A].

is the removal of carbon from iron carbide (Fe3C).
[B].
affects its crystalline structure.
[C].
is favoured by CO2.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Decarburisation of steel

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