Chemical Engineering Basics

Question: Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.
[A].

grey

[B].

black

[C].

opaque

[D].

white

Answer: Option A

Explanation:

No answer description available for this question.

Question: __________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten.
[A].

Stellite

[B].

High speed steel

[C].

Cermet

[D].

Alnico

Answer: Option A

Explanation:

No answer description available for this question.

Question: Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and
[A].

manganese

[B].

silicon

[C].

nickel

[D].

chromium

Answer: Option A

Explanation:

No answer description available for this question.

Question: Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.
[A].

creep

[B].

fatigue

[C].

endurance

[D].

tensile

Answer: Option B

Explanation:

No answer description available for this question.

Question: In spite of large heat transfer co-efficients in boiling liquids, fins are used advantageously, where the entire surface is exposed to __________ boiling.
[A].

film

[B].

nucleate

[C].

transition

[D].

all modes of

Answer: Option D

Explanation:

No answer description available for this question.

Question: Faraday’s law of electrolysis is related to the
[A].

cation speed.

[B].

atomic number of the cation.

[C].

equivalent mass of the electrolyte.

[D].

none of these.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Hypo (sodium thiosulphate) because of its complex forming behaviour is used in photography to remove undecomposed silver bromide as a soluble complex for __________ of the picture.
[A].

printing

[B].

developing

[C].

colour

[D].

fixation

Answer: Option B

Explanation:

No answer description available for this question.

Question: Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.
[A].

20

[B].

200

[C].

500

[D].

1000

Answer: Option B

Explanation:

No answer description available for this question.

Question: Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium
[A].

nitrate

[B].

sulphate

[C].

carbonate

[D].

chloride

Answer: Option A

Explanation:

No answer description available for this question.

Question: Lead is most readily dissolved in
[A].

acetic acid

[B].

hydrochloric acid

[C].

nitric acid

[D].

sulphuric acid

Answer: Option A

Explanation:

No answer description available for this question.