CHEMICAL ENGINEERING

Question: A reduction process is accompanied with increase in the
[A].

number of electrons.

[B].

oxidation number.

[C].

both (a) & (b).

[D].

neither (a) nor (b).

Answer: Option A

Explanation:

No answer description available for this question.

Question: Hydrogen can be
[A].

used in I.C. engines as fuel.

[B].

liquefied & stored under cryogenic conditions.

[C].

produced by electrolysis of water.

[D].

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

Answer: Option D

Explanation:

No answer description available for this question.

Question: Dezincification is a form of corrosion espe-cially applicable to
[A].

brass

[B].

nichrome

[C].

stainless steel

[D].

monel

Answer: Option A

Explanation:

No answer description available for this question.

Question: Material of construction of foundary crucible is
[A].

lead

[B].

stainless steel

[C].

graphite

[D].

cast iron

Answer: Option C

Explanation:

No answer description available for this question.

Question: Duralumin is an alloy of aluminium and copper. Percentage of copper in duralumin is
[A].

38

[B].

26

[C].

16

[D].

4

Answer: Option D

Explanation:

No answer description available for this question.

Question: A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?
[A].

Steel

[B].

Glass

[C].

Rubber

[D].

Brass

Answer: Option A

Explanation:

No answer description available for this question.

Question: __________ remains constant during the adiabatic cooling of moist air.
[A].

Wet bulb temperature

[B].

Dry bulb temperature

[C].

Relative humidity

[D].

Specific humidity

Answer: Option A

Explanation:

No answer description available for this question.

Question: Atomic __________ of an element is a whole number.
[A].

weight

[B].

number

[C].

volume

[D].

radius

Answer: Option B

Explanation:

No answer description available for this question.

Question: With increase in temperature, the surface tension of water
[A].

increases

[B].

decreases

[C].

remains constant

[D].

increases linearly

Answer: Option B

Explanation:

No answer description available for this question.

Question: An oxidation process is accompanied with decrease in the
[A].

number of electrons.

[B].

oxidation number.

[C].

number of ions.

[D].

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

Answer: Option A

Explanation:

No answer description available for this question.