CHEMICAL ENGINEERING | Chemical Engineering Basics

Catalyst used in the ‘catalytic converter’ employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is

Byadmin August 2, 2022

Question: Catalyst used in the ‘catalytic converter’ employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is
[A].

alumina

[B].

platinum

[C].

vanadium pentoxide

[D].

iron oxide

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Mass Transfer

Batch tray dryers suffers from the disadvantage of

Question: Batch tray dryers suffers from the disadvantage of
[A].

high maintenance cost.
[B].
non-uniform & low production rate.
[C].
high labour cost & low heat economy.
[D].
all ‘a’, ‘b’ & ‘c’.

Answer: Option C

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Fertiliser Technology

In the manufacture of H3 PO4 (ortho), ; strong H2 SO4 leaching wet process as compared to electric furnace process

Question: In the manufacture of H3 PO4 (ortho), ; strong H2 SO4 leaching wet process as compared to electric furnace process
[A].

uses lower grade phosphate rock.
[B].
requires lower capital investment in the plant.
[C].
produces lower purity acid.
[D].
is very costly.

Answer: Option C

Explanation:

No answer description available for this question.

Read More In the manufacture of H3 PO4 (ortho), ; strong H2 SO4 leaching wet process as compared to electric furnace process
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are

Question: Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are
[A].

always greater than one.
[B].
same at the same reduced temperature.
[C].
same at the same reduced pressure.
[D].
both(b) & (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are
CHEMICAL ENGINEERING | Chemical Engineering Basics

Matte smelting is used in the extraction of

Question: Matte smelting is used in the extraction of
[A].

lead
[B].
zinc
[C].
aluminium
[D].
copper

Answer: Option D

Explanation:

No answer description available for this question.

Read More Matte smelting is used in the extraction of
CHEMICAL ENGINEERING | Chemical Engineering Plant Economics

A present sum of Rs. 100 at the end of one year, with half yearly rate of interest at 10%, will be Rs.

Question: A present sum of Rs. 100 at the end of one year, with half yearly rate of interest at 10%, will be Rs.
[A].

121
[B].
110
[C].
97
[D].
91

Answer: Option A

Explanation:

No answer description available for this question.

Read More A present sum of Rs. 100 at the end of one year, with half yearly rate of interest at 10%, will be Rs.
CHEMICAL ENGINEERING | Chemical Engineering Basics

Electrochemical corrosion can occur, only if __________ is present in contact with metal.

Question: Electrochemical corrosion can occur, only if __________ is present in contact with metal.
[A].

air
[B].
oxygen
[C].
liquid medium
[D].
gaseous medium

Answer: Option C

Explanation:

No answer description available for this question.

Read More Electrochemical corrosion can occur, only if __________ is present in contact with metal.

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