CHEMICAL ENGINEERING | Environmental Engineering

COD of raw municipal sewage may be in the range of about __________ mg/litre.

Byadmin August 12, 2022

Question: COD of raw municipal sewage may be in the range of about __________ mg/litre.
[A].

1-2

[B].

5-10

[C].

90-120

[D].

1500-2500

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________ liquid.

Question: A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________ liquid.
[A].

subcooled
[B].
saturated
[C].
non-solidifiable
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________ liquid.
CHEMICAL ENGINEERING | Fuels and Combustion

Coke oven gas is stripped of its H2S and mercaptans content by

Question: Coke oven gas is stripped of its H2S and mercaptans content by
[A].

absorption in wash oil.
[B].
adsorption on bog iron bed.
[C].
bubbling it through dilute sulphuric acid.
[D].
adsorption on silica gel.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Coke oven gas is stripped of its H2S and mercaptans content by
CHEMICAL ENGINEERING | Chemical Reaction Engineering

In the fluid catalytic cracker (FCC), the cracking reaction is __________ (A) and the regeneration is___(B) __________

Question: In the fluid catalytic cracker (FCC), the cracking reaction is __________ (A) and the regeneration is___(B) __________
[A].

(A) exothermic (B) endothermic
[B].
(A) exothermic (B) exothermic
[C].
(A) endothermic (B) enodthermic
[D].
(A) endothermic (B) exothermic

Answer: Option D

Explanation:

No answer description available for this question.

Read More In the fluid catalytic cracker (FCC), the cracking reaction is __________ (A) and the regeneration is___(B) __________
CHEMICAL ENGINEERING | Fluid Mechanics

For a given Reynold number as d/D for an orifice increases, Cd will (where, d & D are orifice & pipe diameters respectively).

Question: For a given Reynold number as d/D for an orifice increases, Cd will (where, d & D are orifice & pipe diameters respectively).
[A].

increase
[B].
decrease
[C].
remain constant
[D].
either (a) or (b); depends on other factors

Answer: Option A

Explanation:

No answer description available for this question.

Read More For a given Reynold number as d/D for an orifice increases, Cd will (where, d & D are orifice & pipe diameters respectively).
CHEMICAL ENGINEERING | Chemical Engineering Basics

“Encyclopaedia of Chemical Technology” has been

Question: “Encyclopaedia of Chemical Technology” has been
[A].

authored by Kirk Othmer.
[B].
edited by Perry and Chilton.
[C].
edited by Kirk Othmer.
[D].
authored by Perry and Chilton.

Answer: Option C

Explanation:

No answer description available for this question.

Read More “Encyclopaedia of Chemical Technology” has been
CHEMICAL ENGINEERING | Chemical Process

Bleaching of paper pulp is done with

Question: Bleaching of paper pulp is done with
[A].

activated clay
[B].
bromine
[C].
chlorine or chlorine dioxide
[D].
magnesium sulphite

Answer: Option C

Explanation:

No answer description available for this question.

Read More Bleaching of paper pulp is done with

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