CHEMICAL ENGINEERING

Eutectic reaction for iron-carbon system occurs at a temperature of _______________ °C ?

Byadmin February 7, 2019August 20, 2021

Eutectic reaction for iron-carbon system occurs at a temperature of _______________ °C ?

A. 723
B. 959
C. 1147
D. 1493

CHEMICAL ENGINEERING | Heat Transfer

Mode of heat transfer in which the fluid moves under the influence of changes in fluid pressure produced by external work is called

Question: Mode of heat transfer in which the fluid moves under the influence of changes in fluid pressure produced by external work is called
[A].

radiation
[B].
natural convection
[C].
forced convection
[D].
conduction

Answer: Option C

Explanation:

No answer description available for this question.

Read More Mode of heat transfer in which the fluid moves under the influence of changes in fluid pressure produced by external work is called
CHEMICAL ENGINEERING | Chemical Engineering Basics

In cold working of metal as compared to its hot working

Question: In cold working of metal as compared to its hot working
[A].

cracks and blow holes are eliminated.
[B].
ductility and impact strength improves.
[C].
appreciable strain hardening is produced.
[D].
yield stress, hardness and fatigue strength is not at all affected.

Answer: Option D

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING

Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic size in the same___________________?

Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic size in the same___________________?

A. Period increases
B. Period decreases
C. Group increases
D. Both ‘B’ & ‘C’

Read More Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic size in the same___________________?
CHEMICAL ENGINEERING | Fluid Mechanics

Check valves are used

Question: Check valves are used
[A].

at high pressure.
[B].
in bends.
[C].
for controlling water flow.
[D].
for unidirectional flow.

Answer: Option D

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Fuels and Combustion

One kg of carbon for theoretically complete combustion requires __________ kg of air.

Question: One kg of carbon for theoretically complete combustion requires __________ kg of air.
[A].

11.5
[B].
0.5
[C].
23
[D].
12

Answer: Option A

Explanation:

No answer description available for this question.

Read More One kg of carbon for theoretically complete combustion requires __________ kg of air.
CHEMICAL ENGINEERING | Chemical Process

Contact process of sulphuric acid manufacture

Question: Contact process of sulphuric acid manufacture
[A].

yields acid of higher concentration than chamber process.
[B].
yields acids of lower concentration than chamber process.
[C].
is obsolete.
[D].
eliminates absorber.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Contact process of sulphuric acid manufacture