CHEMICAL ENGINEERING | Heat Transfer

Open pan evaporators are preferred to be used, when the solution to be concentrated is

Byadmin August 25, 2022

Question: Open pan evaporators are preferred to be used, when the solution to be concentrated is
[A].

scaling

[B].

highly viscous

[C].

corrosive

[D].

salty

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Heat Transfer

Duhring rule is important in solving problems on

Question: Duhring rule is important in solving problems on
[A].

distillation
[B].
crystallisation
[C].
evaporation
[D].
humidification

Answer: Option C

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Fluid Mechanics

Cavitation in a centrifugal pump results from

Question: Cavitation in a centrifugal pump results from
[A].

high discharge pressure
[B].
low barometric pressure
[C].
high discharge velocity
[D].
high discharge rate

Answer: Option B

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Chemical Engineering Basics

Consumable electrodes are used in the __________ welding.

Question: Consumable electrodes are used in the __________ welding.
[A].

gas
[B].
arc
[C].
thermit
[D].
resistance

Answer: Option B

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Chemical Reaction Engineering

A catalyst is said to be a negative catalyst, ifit

Question: A catalyst is said to be a negative catalyst, ifit
[A].

retards the rate of reaction.
[B].
reduces the value of equilibrium constant.
[C].
does not initiate the reaction.
[D].
all (a), (b) and (c).

Answer: Option A

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Fertiliser Technology

Leaching of phosphate rock by strong __________ acid produces phosphoric acid.

Question: Leaching of phosphate rock by strong __________ acid produces phosphoric acid.
[A].

sulphuric
[B].
hydrochloric
[C].
either (a) or (b)
[D].
neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Chemical Process

Nylon-6 is manufactured from

Question: Nylon-6 is manufactured from
[A].

caprolactum.
[B].
hexamethylene diamine and adipic acid.
[C].
hexamethylene diamine and maleic anhydride.
[D].
hexamethylene diamine and sebacic acid.

Answer: Option A

Explanation:

No answer description available for this question.

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