CHEMICAL ENGINEERING

Question: Copper deposits are found in India at the following location:
[A].

Kudremukh

[B].

Kolar

[C].

Khetri

[D].

Ramagundam

Answer: Option C

Explanation:

No answer description available for this question.

Question: In the blast furnace, incorporation of water vapour in the blast gives the following effect.
[A].

Increases the reducing potential of the gas.

[B].

Increases the flame temperature.

[C].

No significant change occurs.

[D].

Increases the hydrogen content in the metal.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Electrostatic separation of minerals from each other is based on their differences in the following property.
[A].

Densities.

[B].

Magnetic permeabilities.

[C].

Electrical conductivities.

[D].

Hardness.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Alloy powder manufactured by the following process have spherical shapes.
[A].

Electrochemical deposition.

[B].

Gaseous reduction.

[C].

Atomisation.

[D].

Mechanical attrition.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Classification of metal forming processes into hot and cold working is based on the following parameters.
[A].

Stacking fault energy.

[B].

Recrystallisation temperature.

[C].

Solidus temperature.

[D].

Transformation temperature.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Monazite deposits constitute an important source for the following metal.
[A].

Thorium

[B].

Titanium

[C].

Molybdenum

[D].

None of the above

Answer: Option A

Explanation:

No answer description available for this question.

Question: Most of the phosphorous present in the blast furnace burden enters into
[A].

hot metal

[B].

flue gases

[C].

slag

[D].

refractory lining

Answer: Option A

Explanation:

No answer description available for this question.

Question: Nusselt number/Biot number varies
[A].

inversely with thermal conductivity.

[B].

directly with heat transfer co-efficient.

[C].

directly with thermal conductivity.

[D].

inversely with the dimension of the solid.

Answer: Option A

Explanation:

No answer description available for this question.

Question: One of the methods of purification of leach liquor is ion exchange, which involves
[A].

exchange between two liquid phases.

[B].

exchange between a gaseous phase and a liquid phase.

[C].

exchange between a liquid phase and an organic resin phase.

[D].

exchange between a solid phase and a gas phase.

Answer: Option C

Explanation:

No answer description available for this question.

Question: L.D. converters are generally lined with
[A].

magnesite

[B].

fireclay

[C].

chrome magnesite

[D].

silica

Answer: Option C

Explanation:

No answer description available for this question.