Chemical Engineering Basics

Question: Maximum permissible sulphur content in steel is __________ percent.
[A].

0.015

[B].

0.055

[C].

0.505

[D].

0.805

Answer: Option A

Explanation:

No answer description available for this question.

Question: Maximum consumption of limestone is in the __________ industry.
[A].

iron and steel

[B].

cement

[C].

glass

[D].

fertiliser

Answer: Option D

Explanation:

No answer description available for this question.

Question: Cupola produces __________ iron..
[A].

pig

[B].

cast

[C].

wrought

[D].

carbon free

Answer: Option B

Explanation:

No answer description available for this question.

Question: Globular form of cementite is formed during the __________ process.
[A].

spherodising

[B].

hardening

[C].

annealing

[D].

normalising

Answer: Option B

Explanation:

No answer description available for this question.

Question: X-rays do not exhibit the property of
[A].

reflection

[B].

scattering

[C].

diffraction

[D].

dispersion

Answer: Option B

Explanation:

No answer description available for this question.

Question: With increase in temperature, the electrical conductivity of a __________ decreases.
[A].

semi-conductor

[B].

metal or alloy

[C].

dielectric

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: A pycnometer is used for the measurement of
[A].

flow rate of molten metal.

[B].

specific gravity of a liquid.

[C].

composition of alloys.

[D].

concentration of a solution.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Load cells used for the measurement of weight has
[A].

compact & rugged construction with an accuracy of 0.1 to 1%.

[B].

no moving parts and incurs negligible deflection under load.

[C].

provision of thermal compensation and is hermetically sealed.

[D].

all ‘a’, ‘b’ & ‘c’

Answer: Option D

Explanation:

No answer description available for this question.

Question: __________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.
[A].

Borosilicate

[B].

High silica

[C].

Supermax

[D].

Lead

Answer: Option C

Explanation:

No answer description available for this question.

Question: Brinell Hardness Number (BHN) for talc is approximately in the range of
[A].

1-5

[B].

20-30

[C].

100-150

[D].

200-250

Answer: Option B

Explanation:

No answer description available for this question.