CHEMICAL ENGINEERING | Chemical Engineering Basics

Which of the following welding processes employs the highest welding temperature ?

Byadmin July 30, 2022

Question: Which of the following welding processes employs the highest welding temperature ?
[A].

Arc welding

[B].

Gas welding

[C].

Thermit welding

[D].

Resistance welding

Answer: Option D

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Heat Transfer

For evaporation of viscous solution in a multiple effect evaporator, the prefered feeding scheme is

Question: For evaporation of viscous solution in a multiple effect evaporator, the prefered feeding scheme is
[A].

forward
[B].
backward
[C].
parallel
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More For evaporation of viscous solution in a multiple effect evaporator, the prefered feeding scheme is
CHEMICAL ENGINEERING | Chemical Engineering Basics

A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalant bonds resulting in __________ electrons.

Question: A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalant bonds resulting in __________ electrons.
[A].

lack of free
[B].
excess of
[C].
decrease in
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalant bonds resulting in __________ electrons.
CHEMICAL ENGINEERING | Chemical Reaction Engineering

With decrease in temperature, the equilibrium conversion of a reversible endother-mic reaction

Question: With decrease in temperature, the equilibrium conversion of a reversible endother-mic reaction
[A].

decreases
[B].
increases
[C].
remains unaffected
[D].
increases linearly with temperature

Answer: Option A

Explanation:

No answer description available for this question.

Read More With decrease in temperature, the equilibrium conversion of a reversible endother-mic reaction
CHEMICAL ENGINEERING | Chemical Process

__________ acid is the main constituent of cotton seed oil.

Question: __________ acid is the main constituent of cotton seed oil.
[A].

Acetic
[B].
Linoleic
[C].
Palmitic
[D].
Oleic

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ acid is the main constituent of cotton seed oil.
CHEMICAL ENGINEERING | Thermodynamics for Chemical

A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system________________?

A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system________________?

A. its internal energy (U) decreases and its entropy (S) increases
B. U and S both decreases
C. U decreases but S is constant
D. U is constant but S decreases

Read More A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system________________?
CHEMICAL ENGINEERING | Chemical Engineering Basics

All modes of heat transfer i.e., conduction, convection & radiation occur in case of the

Question: All modes of heat transfer i.e., conduction, convection & radiation occur in case of the
[A].

condensation of steam in a partial condenser.
[B].
boiler furnace.
[C].
insulated pipe car raying high pressure steam.
[D].
none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Read More All modes of heat transfer i.e., conduction, convection & radiation occur in case of the

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