CHEMICAL ENGINEERING | Chemical Engineering Basics

Machinability of hard alloys & tool steels is improved by

Byadmin July 30, 2022

Question: Machinability of hard alloys & tool steels is improved by
[A].

spherodising

[B].

annealing

[C].

tempering

[D].

normalising

Answer: Option B

Explanation:

No answer description available for this question.

CHEMICAL ENGINEERING | Materials and Construction

For platinum thermocouples, lead wires are made of

Question: For platinum thermocouples, lead wires are made of
[A].

copper & copper-nickel alloys.
[B].
copper & iron.
[C].
iron & nickel.
[D].
tin & nickel.

Answer: Option A

Explanation:

No answer description available for this question.

Read More For platinum thermocouples, lead wires are made of
CHEMICAL ENGINEERING | Fluid Mechanics

A pipe has a porous section of length L as shown in the figure. Velocity at the start of this section of V0. If fluid leaks into the pipe through the porous section at a volumetric rate per unit area q(x/L)2, what will be axial velocity in the pipe at any x ? Assume incompressible one dimensional flow i.e., no gradients in the radial direction.

Question: A pipe has a porous section of length L as shown in the figure. Velocity at the start of this section of V0. If fluid leaks into the pipe through the porous section at a volumetric rate per unit area q(x/L)2, what will be axial velocity in the pipe at any x ? Assume incompressible one dimensional flow i.e., no gradients in the radial direction.
[A].

[B].

[C].

[D].

Answer: Option D

Explanation:

No answer description available for this question.

Read More A pipe has a porous section of length L as shown in the figure. Velocity at the start of this section of V0. If fluid leaks into the pipe through the porous section at a volumetric rate per unit area q(x/L)2, what will be axial velocity in the pipe at any x ? Assume incompressible one dimensional flow i.e., no gradients in the radial direction.
CHEMICAL ENGINEERING | Materials and Construction

Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and

Question: Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and
[A].

moving mercury and graphite.
[B].
graphite and moving mercury.
[C].
moving mercury and carbon.
[D].
moving mercury and crimped steel wire.

Answer: Option B

Explanation:

No answer description available for this question.

Read More Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and
CHEMICAL ENGINEERING | Chemical Process

Zeigler process

Question: Zeigler process
[A].

produces high density polyethylene.
[B].
produces low density polyethylene.
[C].
uses no catalyst.
[D].
employs very high pressure.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Zeigler process
CHEMICAL ENGINEERING | Chemical Engineering Basics

Normal dosage of chlorine in public water supply scheme ranges from __________ ppm.

Question: Normal dosage of chlorine in public water supply scheme ranges from __________ ppm.
[A].

0.5 to 1
[B].
10 to 15
[C].
300 to 500
[D].
1000 to 1500

Answer: Option A

Explanation:

No answer description available for this question.

Read More Normal dosage of chlorine in public water supply scheme ranges from __________ ppm.
Chemical Engineering Basics

Sudden fall of atmospheric pressure by a large amount is an indication of the_____________________?

Sudden fall of atmospheric pressure by a large amount is an indication of the_____________________?

A. Rain
B. Cold wave
C. Storm
D. Fair weather

Read More Sudden fall of atmospheric pressure by a large amount is an indication of the_____________________?

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