CHEMICAL ENGINEERING | Chemical Engineering Basics

__________ are normally subjected to sub-zero treatment.

Byadmin July 30, 2022

Question: __________ are normally subjected to sub-zero treatment.
[A].

Highly stressed parts

[B].

Gauges or precision parts

[C].

Cold rolled sheets

[D].

Non machinable materials

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Materials and Construction

Centrifugal pump made of pyrex or glass can’t be used to pump

Question: Centrifugal pump made of pyrex or glass can’t be used to pump
[A].

milk and fruit juices.
[B].
alkaline solutions.
[C].
dilute H2SO4 at room temperature.
[D].
brine.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Centrifugal pump made of pyrex or glass can’t be used to pump
Chemical Engineering Basics

Sub zero treatment of steel is done to____________________?

Sub zero treatment of steel is done to____________________?

A. Suppress martensite transformation
B. Enhance its working performance in sub zero atmosphere
C. Reduce the retained austenite in hardened steel
D. Induce temper brittleness after its hardening

Read More Sub zero treatment of steel is done to____________________?
CHEMICAL ENGINEERING | Chemical Process

Fusel oil is a/an

Question: Fusel oil is a/an
[A].

essential oil.
[B].
extract from medicinal herbs.
[C].
mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses).
[D].
none of these.

Answer: Option C

Explanation:

No answer description available for this question.

Read More Fusel oil is a/an
CHEMICAL ENGINEERING | Chemical Engineering Basics

Lead is added to 60:40 brass primarily to improve

Question: Lead is added to 60:40 brass primarily to improve
[A].

machinability
[B].
corrosion resistance
[C].
fluidity
[D].
strength

Answer: Option A

Explanation:

No answer description available for this question.

Read More Lead is added to 60:40 brass primarily to improve
CHEMICAL ENGINEERING | Polymer Technology

Branched chair polymers as compared to linear polymers have

Question: Branched chair polymers as compared to linear polymers have
[A].

higher melting point.
[B].
higher tensile strength.
[C].
lower density.
[D].
none of these.

Answer: Option C

Explanation:

No answer description available for this question.

Read More Branched chair polymers as compared to linear polymers have
CHEMICAL ENGINEERING | Chemical Engineering Basics

Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.

Question: Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.
[A].

+4000
[B].
-4000
[C].
10000
[D].
– 10000

Answer: Option A

Explanation:

No answer description available for this question.

Read More Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.

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