CHEMICAL ENGINEERING | Chemical Engineering Basics

All of the following alloying elements of steel increases hardness but sacrifice ductility, except

Byadmin August 3, 2022

Question: All of the following alloying elements of steel increases hardness but sacrifice ductility, except
[A].

nickel

[B].

vanadium

[C].

molybdenum

[D].

chromium

Answer: Option A

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Fluid Mechanics

For very low pressure and high discharge rate, the compressor used is a/an __________ compressor.

Question: For very low pressure and high discharge rate, the compressor used is a/an __________ compressor.
[A].

axial
[B].
reciprocating
[C].
rotary
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More For very low pressure and high discharge rate, the compressor used is a/an __________ compressor.
CHEMICAL ENGINEERING | Fertiliser Technology

Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C.

Question: Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C.
[A].

250-300
[B].
500-750
[C].
950-1050
[D].
1400-1450

Answer: Option D

Explanation:

No answer description available for this question.

Read More Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C.
CHEMICAL ENGINEERING | Mass Transfer

At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower.

Question: At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower.
[A].

is greater than
[B].
is lower than
[C].
is same as
[D].
cannot be predicted as data are insufficient

Answer: Option A

Explanation:

No answer description available for this question.

Read More At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower.
Chemical Engineering Basics

Mho’s scale of hardness, which consists of 10 standard minerals is used for the measurement of _______________ hardness?

Mho’s scale of hardness, which consists of 10 standard minerals is used for the measurement of _______________ hardness?

A. Scratch
B. Indentation
C. Dynamic
D. Rebound

Read More Mho’s scale of hardness, which consists of 10 standard minerals is used for the measurement of _______________ hardness?
CHEMICAL ENGINEERING | Chemical Reaction Engineering

With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will

Question: With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will
[A].

increase
[B].
decrease
[C].
remain same
[D].
data in insufficient; can’t be predicted

Answer: Option A

Explanation:

No answer description available for this question.

Read More With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will
Chemical Engineering Basics

For the Stoke’s law to be valid in the case of a falling sphere in a fluid, the_____________________?

For the Stoke’s law to be valid in the case of a falling sphere in a fluid, the_____________________?

A. Reynolds number (based on sphere diameter) should be < 1
B. Flow around the sphere should be in turbulent region
C. Sphere must be metallic
D. Fluid density should be constant

Read More For the Stoke’s law to be valid in the case of a falling sphere in a fluid, the_____________________?

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