CHEMICAL ENGINEERING | Chemical Reaction Engineering

In case of calcination of limestone, CaCO3 CaO + CO2, the addition of more of CaO will result in __________ in the concentration of CO2.

Byadmin August 11, 2022

Question: In case of calcination of limestone, CaCO3 CaO + CO2, the addition of more of CaO will result in __________ in the concentration of CO2.
[A].

no change

[B].

increase

[C].

decrease

[D].

unpredictable from the data

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Environmental Engineering

A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth’s atmosphere, which absorbs it.

Question: A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth’s atmosphere, which absorbs it.
[A].

hydrogen
[B].
carbon dioxide
[C].
ozone
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth’s atmosphere, which absorbs it.
CHEMICAL ENGINEERING | Fluid Mechanics

For flow through an orifice from a reservoir, the actual velocity at the vena con-tracta is given by

Question: For flow through an orifice from a reservoir, the actual velocity at the vena con-tracta is given by
[A].

2gh
[B].
C.V. 2gh
[C].
Cd 2gh
[D].
Cc 2gh

Answer: Option B

Explanation:

No answer description available for this question.

Read More For flow through an orifice from a reservoir, the actual velocity at the vena con-tracta is given by
CHEMICAL ENGINEERING | Chemical Engineering Basics

In Newton’s law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient ).

Question: In Newton’s law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient ).
[A].

V2
[B].
1/V2
[C].
1/Vg
[D].
Vg

Answer: Option D

Explanation:

No answer description available for this question.

Read More In Newton’s law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient ).
CHEMICAL ENGINEERING | Chemical Process

Molecular weight of plastics ranges from

Question: Molecular weight of plastics ranges from
[A].

5000 to 10000
[B].
20000 to 250000
[C].
500 to 5000
[D].
106 to l09

Answer: Option B

Explanation:

No answer description available for this question.

Read More Molecular weight of plastics ranges from
CHEMICAL ENGINEERING | Materials and Construction

Brine (15% concentration) can be stored in a vessel made of

Question: Brine (15% concentration) can be stored in a vessel made of
[A].

monel
[B].
karbate
[C].
cast iron
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More Brine (15% concentration) can be stored in a vessel made of
CHEMICAL ENGINEERING | Chemical Engineering Thermodynamics

Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work.

Question: Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work.
[A].

isothermal
[B].
adiabatic
[C].
isentropic
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work.

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