CHEMICAL ENGINEERING

Question: Direct conversion of thermal energy to electrical energy is facilitated by the
[A].

fuel cells.

[B].

photo voltaic cell.

[C].

magneto hydrodynamic generator.

[D].

none of these.

Answer: Option C

Explanation:

No answer description available for this question.

Question: “Encyclopaedia of Chemical Technology” has been
[A].

authored by Kirk Othmer.

[B].

edited by Perry and Chilton.

[C].

edited by Kirk Othmer.

[D].

authored by Perry and Chilton.

Answer: Option C

Explanation:

No answer description available for this question.

Question: __________ are normally subjected to sub-zero treatment.
[A].

Highly stressed parts

[B].

Gauges or precision parts

[C].

Cold rolled sheets

[D].

Non machinable materials

Answer: Option B

Explanation:

No answer description available for this question.

Question: Flywheel is provided in a machine to
[A].

provide structural strength to the shaft.

[B].

smoothen the power impluses.

[C].

help in quick starting of the machine.

[D].

none of these.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Acetylene should never be conveyed through __________ pipe, as it forms an unstable compound that dissociates violently at the slightest shock.
[A].

stainless steel

[B].

copper

[C].

aluminium

[D].

brass

Answer: Option B

Explanation:

No answer description available for this question.

Question: Function of gear box is to
[A].

reduce the speed.

[B].

obtain variable speed.

[C].

increase the speed.

[D].

produce high torque.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Blast furnace slag is mainly molten
[A].

sand

[B].

magnesium silicate

[C].

calcium silicate

[D].

iron pyrite

Answer: Option C

Explanation:

No answer description available for this question.

Question: Coke is added in the blast furnace to
[A].

reduce & melt the iron ore.

[B].

increase the fluidity of slag.

[C].

remove sulphur & phosphorus from molten metal.

[D].

none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Limestone is added in the blast furnace (during pig iron manufacture) to
[A].

form slag by combining with impurities.

[B].

supply heat by undergoing exothermic reaction with impurities.

[C].

reduce the coke consumption.

[D].

reduce slag viscosity.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Heat flow across a hollow sphere of inner radius ‘r1’ and outer radius ‘r2’ is directly proportional to
[A].

[B].

[C].

[D].

Answer: Option B

Explanation:

No answer description available for this question.