CHEMICAL ENGINEERING | Materials and Construction

Corrosion resistance of steel is increased by the addition of

Byadmin August 29, 2022

Question: Corrosion resistance of steel is increased by the addition of
[A].

phosphorous and tungsten.

[B].

nickel and chromium.

[C].

lead and vanadium.

[D].

molybdenum and tungsten.

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Basics

The Al2 O3 content of cryolite in Hall-Heroult’s cell is maintained between __________ percent.

Question: The Al2 O3 content of cryolite in Hall-Heroult’s cell is maintained between __________ percent.
[A].

2-5
[B].
18-20
[C].
12-15
[D].
6-12

Answer: Option A

Explanation:

No answer description available for this question.

Read More The Al2 O3 content of cryolite in Hall-Heroult’s cell is maintained between __________ percent.
CHEMICAL ENGINEERING | Mass Transfer

In most of the mechanically agitated liquid-liquid extractors, baffles or horizontal compartmental plates are provided, which helps in

Question: In most of the mechanically agitated liquid-liquid extractors, baffles or horizontal compartmental plates are provided, which helps in
[A].

reducing the axial mixing.
[B].
increasing the rate of extraction.
[C].
maintaining the concentration difference between the two phases.
[D].
all ‘a’, ‘b’ & ‘c’.

Answer: Option D

Explanation:

No answer description available for this question.

Read More In most of the mechanically agitated liquid-liquid extractors, baffles or horizontal compartmental plates are provided, which helps in
CHEMICAL ENGINEERING | Chemical Engineering Basics

Fibre reinforced plastic (FRP) are

Question: Fibre reinforced plastic (FRP) are
[A].

made of glass fibre and thermoplastic resins.
[B].
anisotropic.
[C].
made of thermosetting resin and glass fibre.
[D].
both ‘b’ & ‘c’

Answer: Option D

Explanation:

No answer description available for this question.

Read More Fibre reinforced plastic (FRP) are
CHEMICAL ENGINEERING | Chemical Process

Alcohol is produced by the

Question: Alcohol is produced by the
[A].

oxidation of an aldehyde
[B].
hydrolysis of an ether
[C].
esterification of a fat
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More Alcohol is produced by the
CHEMICAL ENGINEERING

Which of the following is not the function of a volute casing provided in a centrifugal pump ?

Which of the following is not the function of a volute casing provided in a centrifugal pump ?

A. To reduce the head loss in discharge
B. To increase the pump efficiency
C. To collect liquid from the periphery of the impeller and to transmit it to the delivery pipe at
constant velocity
D. To increase the pump discharge rate

Read More Which of the following is not the function of a volute casing provided in a centrifugal pump ?
Materials and Construction

Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of ______________ as mercury does not amalgamate with it?

Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of ______________ as mercury does not amalgamate with it?

A. Copper
B. Copper alloys
C. Stainless steel
D. Monel

Read More Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of ______________ as mercury does not amalgamate with it?

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