CHEMICAL ENGINEERING

Question: The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their
[A].

equivalent weight.

[B].

(equivalent weight)2.

[C].

molecular weight.

[D].

(molecular weight)2.

Answer: Option A

Explanation:

No answer description available for this question.

Question: In a neutral solution
[A].

H+ ions are absent.

[B].

OH- ions are absent.

[C].

both H+ and OH- ions are present in very small but equal concentration.

[D].

none of these.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Isotropic materials have the same __________ in all the directions.
[A].

thermal properties

[B].

elastic properties

[C].

stresses

[D].

all (a), (b) & (c)

Answer: Option B

Explanation:

No answer description available for this question.

Question: On an average __________ fast neutrons are produced by nuclear fission of each atom of uranium-235.
[A].

1

[B].

2.5

[C].

3.5

[D].

5

Answer: Option B

Explanation:

No answer description available for this question.

Question: Corona discharge is related to the operation of a/an
[A].

induction motor.

[B].

electrostatic precipitator.

[C].

fast breeder reactor.

[D].

magneto hydrodynamic generator (MHD).

Answer: Option B

Explanation:

No answer description available for this question.

Question: __________ of air does not increase with increase in temperature.
[A].

Density

[B].

Thermal diffusivity

[C].

Viscosity

[D].

Thermal conductivity

Answer: Option A

Explanation:

No answer description available for this question.

Question: All radiations falling on a black body are
[A].

refracted

[B].

reflected

[C].

transmitted

[D].

absorbed

Answer: Option D

Explanation:

No answer description available for this question.

Question: Electrochemical corrosion occurs
[A].

where the liquid electrolytes containing free ions are present.

[B].

only in alloys.

[C].

only in pure metals.

[D].

due to direct chemical action of metal with oxygen.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Corrosion rate can not be lowered by reducing the __________ of the corroding medium.
[A].

concentration

[B].

velocity

[C].

temperature

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: Dezincification is a form of corrosion, which specifically applies to
[A].

steel

[B].

brass

[C].

stainless steel

[D].

babbit metal

Answer: Option B

Explanation:

No answer description available for this question.