CHEMICAL ENGINEERING | Chemical Process

__________ is an ore concentrating metallurgical process involving a chemical change.

Byadmin August 10, 2022

Question: __________ is an ore concentrating metallurgical process involving a chemical change.
[A].

Electromagnetic separation

[B].

Froth floatation

[C].

Roasting

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fuels and Combustion

Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about

Question: Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about
[A].

8800 kcal/m3
[B].
8800 kcal/kg
[C].
same as that of coal middling
[D].
25000 kcal/kg

Answer: Option B

Explanation:

No answer description available for this question.

Read More Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about
Chemical Process

Hydrocyanic acid (HCN) is used as an insecticide for____________________?

Hydrocyanic acid (HCN) is used as an insecticide for____________________?

A. Controlling timber degradation by ants
B. Controlling poultry lice
C. Potato beetle
D. Citrus fruits

Read More Hydrocyanic acid (HCN) is used as an insecticide for____________________?
CHEMICAL ENGINEERING | Chemical Reaction Engineering

Chemical reaction rate of a component depends upon the

Question: Chemical reaction rate of a component depends upon the
[A].

composition of the component only.
[B].
temperature of the system.
[C].
pressure of the system.
[D].
all (a), (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Read More Chemical reaction rate of a component depends upon the
CHEMICAL ENGINEERING | Chemical Process

__________ glass is used for the manufacture of optical glass.

Question: __________ glass is used for the manufacture of optical glass.
[A].

Pyrex
[B].
Soda
[C].
Flint
[D].
Crooke’s

Answer: Option C

Explanation:

No answer description available for this question.

Read More __________ glass is used for the manufacture of optical glass.
Chemical Process

Glauber’s salt is chemically represented by____________________?

Glauber’s salt is chemically represented by____________________?

A. Na2SO4.10H2O
B. CaCl(OCl)
C. CaSO4.H2O
D. (NH4)2SO4

Read More Glauber’s salt is chemically represented by____________________?
CHEMICAL ENGINEERING | Fuels and Combustion

Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air.

Question: Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air.
[A].

5
[B].
10
[C].
20
[D].
35

Answer: Option C

Explanation:

No answer description available for this question.

Read More Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air.

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