CHEMICAL ENGINEERING | Materials and Construction

Coke oven walls are lined with __________ bricks.

Byadmin August 29, 2022

Question: Coke oven walls are lined with __________ bricks.
[A].

silica

[B].

tar-dolomite

[C].

low thermal conductivity

[D].

fire clay

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Mass Transfer

Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.

Question: Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.
[A].

Sherwood
[B].
Schmidt
[C].
Peclet
[D].
Stanton

Answer: Option A

Explanation:

No answer description available for this question.

Read More Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.
Materials and Construction

Aqueous nitric acid is stored in________________?

Aqueous nitric acid is stored in________________?

A. Steel drum
B. Stainless steel vessel
C. Cast iron vessel lined with acid-proof masonry brick
D. Cast iron vessel

Read More Aqueous nitric acid is stored in________________?
CHEMICAL ENGINEERING | Fuels and Combustion

A coal containing very high percentage of durain is called __________ coal.

Question: A coal containing very high percentage of durain is called __________ coal.
[A].

bright
[B].
splint
[C].
non-banded
[D].
boghead

Answer: Option B

Explanation:

No answer description available for this question.

Read More A coal containing very high percentage of durain is called __________ coal.
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 Basics

One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C). If the thermal conductivity of furnace wall is 3 W . m-1 . k-1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is

Question: One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C). If the thermal conductivity of furnace wall is 3 W . m-1 . k-1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is
[A].

100
[B].
900
[C].
9000
[D].
10000

Answer: Option D

Explanation:

No answer description available for this question.

Read More One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C). If the thermal conductivity of furnace wall is 3 W . m-1 . k-1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is
CHEMICAL ENGINEERING | Fertiliser Technology

Catalyst used in the oxidation of ammonia is

Question: Catalyst used in the oxidation of ammonia is
[A].

platinum-beryllium
[B].
platinum-rhodium
[C].
cobalt-molybdenum
[D].
platinum-molybdenum

Answer: Option B

Explanation:

No answer description available for this question.

Read More Catalyst used in the oxidation of ammonia is

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