Chemical Engineering Basics

Question: Fatigue resistance of a material is measured by the
[A].

elastic limit.

[B].

ultimate tensile strength.

[C].

Young’s modulus.

[D].

endurance limit.

Answer: Option D

Explanation:

No answer description available for this question.

Question: Lead percentage in pure galena is about
[A].

8.6

[B].

86.6

[C].

35.8

[D].

61.4

Answer: Option A

Explanation:

No answer description available for this question.

Question: Percentage of gaunge is maximum in the ore of
[A].

iron

[B].

gold

[C].

zinc

[D].

copper

Answer: Option B

Explanation:

No answer description available for this question.

Question: Iron content in Indian iron ore is about __________ percent.
[A].

80-85

[B].

60-65

[C].

40-45

[D].

20-25

Answer: Option B

Explanation:

No answer description available for this question.

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.