CHEMICAL ENGINEERING

Gratings is associated with the measurement of____________________?

Byadmin February 7, 2019August 20, 2021

Gratings is associated with the measurement of____________________?

A. Linear displacement
B. Concavity/convexity
C. Surface texture
D. Flatness

CHEMICAL ENGINEERING | Mass Transfer

Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer.

Question: Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer.
[A].

less than
[B].
more than
[C].
same as
[D].
very much less

Answer: Option B

Explanation:

No answer description available for this question.

Read More Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer.
CHEMICAL ENGINEERING | Environmental Engineering

Ionisation potential employed in the industrial electrostatic precipitator is of the order of

Question: Ionisation potential employed in the industrial electrostatic precipitator is of the order of
[A].

30 to 70 kV DC
[B].
30 to 70 kV AC
[C].
230 V AC
[D].
230 V DC

Answer: Option A

Explanation:

No answer description available for this question.

Read More Ionisation potential employed in the industrial electrostatic precipitator is of the order of
CHEMICAL ENGINEERING | Chemical Engineering Basics

Insulation of liquid surface can be achieved by __________ on top of its surface.

Question: Insulation of liquid surface can be achieved by __________ on top of its surface.
[A].

floating hollow polypropylene spheres
[B].
spraying alumina powder
[C].
putting cement
[D].
none of these

Answer: Option A

Explanation:

No answer description available for this question.

Read More Insulation of liquid surface can be achieved by __________ on top of its surface.
CHEMICAL ENGINEERING | Chemical Engineering Plant Economics

__________ method for profitability evaluation of a project does not account for investment cost due to land.

Question: __________ method for profitability evaluation of a project does not account for investment cost due to land.
[A].

Net present worth
[B].
Pay out period
[C].
Discounted cash flow
[D].
Rate of return on investment

Answer: Option B

Explanation:

No answer description available for this question.

Read More __________ method for profitability evaluation of a project does not account for investment cost due to land.
CHEMICAL ENGINEERING | Fluid Mechanics

In case of supersonic flow of a fluid through pipeline, the ‘Mach number’ is

Question: In case of supersonic flow of a fluid through pipeline, the ‘Mach number’ is
[A].

0
[B].
1
[C].
< 1
[D].
> 1

Answer: Option D

Explanation:

No answer description available for this question.

Read More In case of supersonic flow of a fluid through pipeline, the ‘Mach number’ is
CHEMICAL ENGINEERING | Fluid Mechanics

Discharge from a 24 inch pipe of water at 10 ft/sec will be __________ ft3/sec.

Question: Discharge from a 24 inch pipe of water at 10 ft/sec will be __________ ft3/sec.
[A].

7.65
[B].
32.36
[C].
48.22
[D].
125.6

Answer: Option D

Explanation:

No answer description available for this question.

Read More Discharge from a 24 inch pipe of water at 10 ft/sec will be __________ ft3/sec.

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