CHEMICAL ENGINEERING | Fluid Mechanics

Medium viscosity lubricating oil can be most ideally pumped by a __________ pump.

Byadmin August 13, 2022

Question: Medium viscosity lubricating oil can be most ideally pumped by a __________ pump.
[A].

vane

[B].

piston

[C].

centrifugal

[D].

plunger

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Environmental Engineering

A standard test for determination of hardness in water is termed as __________ test.

Question: A standard test for determination of hardness in water is termed as __________ test.
[A].

EDTA
[B].
electometric
[C].
total count
[D].
presumptive

Answer: Option A

Explanation:

No answer description available for this question.

Read More A standard test for determination of hardness in water is termed as __________ test.
CHEMICAL ENGINEERING | Chemical Engineering Basics

Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.

Question: Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.
[A].

bomb
[B].
throttling
[C].
Junker’s
[D].
Boy’s

Answer: Option B

Explanation:

No answer description available for this question.

Read More Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter.
Fluid Mechanics

For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is_______________?

For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is_______________?

A. constant
B. dependent only on Reynolds number
C. a function of Reynolds number and relative roughness
D. dependent on relative roughness only

Read More For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is_______________?
CHEMICAL ENGINEERING | Chemical Engineering Plant Economics

__________ taxes are based on gross earnings.

Question: __________ taxes are based on gross earnings.
[A].

Property
[B].
Excise
[C].
Income
[D].
Capital gain

Answer: Option C

Explanation:

No answer description available for this question.

Read More __________ taxes are based on gross earnings.
CHEMICAL ENGINEERING | Chemical Reaction Engineering

A pollutant P degrades according to first order kinetics. An aqueous stream containing P at 2 kmole/m3 and volumetric flow rate 1m3 /h requires a mixed flow reactor of volume V to bring down the pollutant level to 0.5 kmole/m3 . The inlet concentration of the pollutant is now doubled and the volumetric flow rate is tripled. If the pollutant level is to be brought down to the same level of 0.5 kmole/m3 , the volume of the mixed flow reactor should be increased by a factor of

Question: A pollutant P degrades according to first order kinetics. An aqueous stream containing P at 2 kmole/m3 and volumetric flow rate 1m3 /h requires a mixed flow reactor of volume V to bring down the pollutant level to 0.5 kmole/m3 . The inlet concentration of the pollutant is now doubled and the volumetric flow rate is tripled. If the pollutant level is to be brought down to the same level of 0.5 kmole/m3 , the volume of the mixed flow reactor should be increased by a factor of
[A].

7
[B].
6
[C].
3
[D].
7/3

Answer: Option A

Explanation:

No answer description available for this question.

Read More A pollutant P degrades according to first order kinetics. An aqueous stream containing P at 2 kmole/m3 and volumetric flow rate 1m3 /h requires a mixed flow reactor of volume V to bring down the pollutant level to 0.5 kmole/m3 . The inlet concentration of the pollutant is now doubled and the volumetric flow rate is tripled. If the pollutant level is to be brought down to the same level of 0.5 kmole/m3 , the volume of the mixed flow reactor should be increased by a factor of
Fluid Mechanics

The process of diffusion of one liquid into the other through a semi-permeable membrane is called_______________________?

The process of diffusion of one liquid into the other through a semi-permeable membrane is called_______________________?

A. viscosity
B. osmosis
C. surface tension
D. cohesion
E. diffusivity

Read More The process of diffusion of one liquid into the other through a semi-permeable membrane is called_______________________?

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