CHEMICAL ENGINEERING

Question: Work study deals with the __________ study.
[A].

time

[B].

motion

[C].

both (a) & (b)

[D].

neither (a) nor (b)

Answer: Option C

Explanation:

No answer description available for this question.

Question: Minimum number of members required to form a Public Limited Joint Stock Com-pany is
[A].

7

[B].

10

[C].

12

[D].

17

Answer: Option A

Explanation:

No answer description available for this question.

Question: Moist climate is the most favourable factor in the site selection far a
[A].

steel plant

[B].

textile factory

[C].

petroleum refinery

[D].

coke oven battery

Answer: Option B

Explanation:

No answer description available for this question.

Question: ‘Cryogenics’ is concerned with the generation & use of low temperature in the range of
[A].

0°K to 123°K

[B].

0°C to – 123°C

[C].

0°C to – 273°C

[D].

0°K to 273°K

Answer: Option A

Explanation:

No answer description available for this question.

Question: Percentage of argon (by volume) in dry atmospheric air is about
[A].

0.09

[B].

0.3

[C].

0.57

[D].

0.94

Answer: Option D

Explanation:

No answer description available for this question.

Question: Insulation of liquid surface can be achieved by __________ on top of its surface.
[A].

floating hollow polypropylene spheres

[B].

spraying alumina powder

[C].

putting cement

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: Which of the following welding processes employs the highest welding temperature ?
[A].

Arc welding

[B].

Gas welding

[C].

Thermit welding

[D].

Resistance welding

Answer: Option D

Explanation:

No answer description available for this question.

Question: Biological shield in a nuclear reactor is generally provided to protect against the
[A].

α-rays

[B].

β-rays

[C].

gamma rays & neutrons

[D].

electrons

Answer: Option C

Explanation:

No answer description available for this question.

Question: One ton of refrigeration is not equivalent to the heat removal rate of
[A].

200 BTU/minute

[B].

50 kcal/minute

[C].

50 kJ/sec.

[D].

3.5 KW

Answer: Option C

Explanation:

No answer description available for this question.

Question: LASER
[A].

stands for Light Amplification by Stimulated Emission of Radiation.

[B].

has the same intensity as visible light.

[C].

can’t be used for cutting metals.

[D].

none of these.

Answer: Option A

Explanation:

No answer description available for this question.