CHEMICAL ENGINEERING

Question: Consideration of the creep is the most important in case of the
[A].

blades of gas turbine.

[B].

piston of an I. C. engine.

[C].

flywheel of steam engine.

[D].

cycle chain.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Iron has got __________ isotopes.
[A].

no

[B].

four

[C].

three

[D].

two

Answer: Option B

Explanation:

No answer description available for this question.

Question: Age hardening is connected with
[A].

babbit metal

[B].

gun metal

[C].

stainless steel

[D].

duralumin

Answer: Option D

Explanation:

No answer description available for this question.

Question: Main constituent of bone ash is
[A].

ammonium phosphate.

[B].

calcium phosphate.

[C].

animal charcoal.

[D].

ammonium sulphate.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Nickel is a __________ material.
[A].

ferromagnetic

[B].

semi-conductor

[C].

paramagnetic

[D].

ferroelectric

Answer: Option A

Explanation:

No answer description available for this question.

Question: __________ is the hardest material out of the following.
[A].

Boron carbide

[B].

Tungsten carbide

[C].

Hardened steel

[D].

Silicon carbide

Answer: Option A

Explanation:

No answer description available for this question.

Question: A 2 kg object weighs 1.8 kgf on a spring balance. The value of ‘g’ at that location in m/sec2 is
[A].

8.82

[B].

9.81

[C].

10.88

[D].

0.95

Answer: Option A

Explanation:

No answer description available for this question.

Question: __________ addition increases the depth of hardness of steel.
[A].

Chromium

[B].

Nickel

[C].

Tungsten

[D].

Vanadium

Answer: Option A

Explanation:

No answer description available for this question.

Question: Particle nature of cathode rays is proved due to the fact that they
[A].

travel in a straight line.

[B].

get deflected by magnetic electric field.

[C].

produce fluorescence.

[D].

heat the exposed material.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Free oxygen is removed from boiler feed water, because it
[A].

reduces heat transfer co-efficient.

[B].

is corrosive.

[C].

causes explosion.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.