CHEMICAL ENGINEERING | Chemical Engineering Basics

Maraging steels derive their strength from the following mechanism:

Byadmin August 8, 2022

Question: Maraging steels derive their strength from the following mechanism:
[A].

A fine, highly dislocated and strong martensite.

[B].

Fine dispersions of intermetallics of Fe, Ni, Ti etc.

[C].

Fine dispersions of alloy carbides in a ferrite matrix.

[D].

Fine dispersions of Fe3 C nucleated on dislocations in austenite.

Answer: Option A

Explanation:

No answer description available for this question.

Chemical Engineering Basics

The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the________________?

The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the________________?

A. Fatigue strength
B. Creep strength
C. Resilience
D. Endurance limit

Read More The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the________________?
Chemical Engineering Basics

Dowtherm is a____________________?

Dowtherm is a____________________?

A. High temperature heating medium (a petroleum product)
B. Product of coal tar distillation
C. Very heat sensitive material
D. None of these

Read More Dowtherm is a____________________?
CHEMICAL ENGINEERING | Chemical Process

Low temperature carbonisation of coal takes place at __________ °C.

Question: Low temperature carbonisation of coal takes place at __________ °C.
[A].

300
[B].
1100
[C].
700
[D].
900

Answer: Option C

Explanation:

No answer description available for this question.

Read More Low temperature carbonisation of coal takes place at __________ °C.
CHEMICAL ENGINEERING | Chemical Engineering Basics

Cemented carbide tools are not suitable for cutting

Question: Cemented carbide tools are not suitable for cutting
[A].

aluminium
[B].
brass
[C].
cast iron
[D].
steel

Answer: Option A

Explanation:

No answer description available for this question.

Read More Cemented carbide tools are not suitable for cutting
CHEMICAL ENGINEERING | Chemical Engineering Basics

Catalyst used in the catalytic converter employed in automobiles to convert CO into CO and for complete oxidation of un-burnt hydrocarbons is

Question: Catalyst used in the catalytic converter employed in automobiles to convert CO into CO and for complete oxidation of un-burnt hydrocarbons is
[A].

nickel
[B].
cobalt
[C].
vanadium
[D].
platinum

Answer: Option D

Explanation:

No answer description available for this question.

Read More Catalyst used in the catalytic converter employed in automobiles to convert CO into CO and for complete oxidation of un-burnt hydrocarbons is
CHEMICAL ENGINEERING | Fluid Mechanics

A mixed flow centrifugal pump

Question: A mixed flow centrifugal pump
[A].

employs such an impeller, through which the flow is a combination of radial & axial flow.
[B].
mixes the two fluids before pumping them.
[C].
pumps the two fluids separately and then mixes them.
[D].
employs impellers in both the radial & axial directions.

Answer: Option A

Explanation:

No answer description available for this question.

Read More A mixed flow centrifugal pump

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