CHEMICAL ENGINEERING | Chemical Process

Cement setting under water employs a/an __________ process.

Byadmin August 10, 2022

Question: Cement setting under water employs a/an __________ process.
[A].

hydration

[B].

decomposition

[C].

oxidation

[D].

reduction

Answer: Option A

Explanation:

No answer description available for this question.

Chemical Process

Neoprene is the trade name of___________________?

Neoprene is the trade name of___________________?

A. Polyurethane
B. Phenol formaldehyde
C. Polychlorophrene
D. Styrene-butadiene rubber

Read More Neoprene is the trade name of___________________?
CHEMICAL ENGINEERING | Fertiliser Technology

Optimum reaction temperature in steam reforming of naphtha is __________ °C.

Question: Optimum reaction temperature in steam reforming of naphtha is __________ °C.
[A].

700 – 1000
[B].
300 – 450
[C].
1500-1700
[D].
100-200

Answer: Option A

Explanation:

No answer description available for this question.

Read More Optimum reaction temperature in steam reforming of naphtha is __________ °C.
CHEMICAL ENGINEERING | Furnace Technology

In order to maintain a reducing atmosphere in a furnace, it should have

Question: In order to maintain a reducing atmosphere in a furnace, it should have
[A].

no O2 in flue gas
[B].
CO in flue gas
[C].
high excess air
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More In order to maintain a reducing atmosphere in a furnace, it should have
CHEMICAL ENGINEERING | Chemical Engineering Basics

Limestone is added in the blast furnace (during pig iron manufacture) to

Question: Limestone is added in the blast furnace (during pig iron manufacture) to
[A].

form slag by combining with impurities.
[B].
supply heat by undergoing exothermic reaction with impurities.
[C].
reduce the coke consumption.
[D].
reduce slag viscosity.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Limestone is added in the blast furnace (during pig iron manufacture) to
CHEMICAL ENGINEERING | Materials and Construction

Ceramic materials fabrication can not be done by

Question: Ceramic materials fabrication can not be done by
[A].

welding
[B].
slip casting
[C].
extrusion
[D].
plastic pressing

Answer: Option A

Explanation:

No answer description available for this question.

Read More Ceramic materials fabrication can not be done by
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.

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