Engineering Materials | Mechanical Engineering

The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is

Byadmin September 14, 2022

Question: The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is
[A].

chromium

[B].

nickel

[C].

vanadium

[D].

cobalt

Answer: Option D

Explanation:

No answer description available for this question.

Hydraulics and Fluid Mechanics | Mechanical Engineering

In order to avoid tendency of separation at throat in a venturimeter, the ratio of the diameter at throat to the diameter of pipe should be

Question: In order to avoid tendency of separation at throat in a venturimeter, the ratio of the diameter at throat to the diameter of pipe should be
[A].

[B].

[C].

[D].

Answer: Option D

Explanation:

No answer description available for this question.

Read More In order to avoid tendency of separation at throat in a venturimeter, the ratio of the diameter at throat to the diameter of pipe should be
Engineering Materials | Mechanical Engineering

The blade of a power saw is made of

Question: The blade of a power saw is made of
[A].

boron steel
[B].
high speed steel
[C].
stainless steel
[D].
malleable cast iron

Answer: Option B

Explanation:

No answer description available for this question.

Read More The blade of a power saw is made of
Engineering Materials | Mechanical Engineering

Cementite consist of

Question: Cementite consist of
[A].

13% carbon and 87% ferrite
[B].
13% cementite and 87% ferrite
[C].
13% ferrite and 87% cementite
[D].
6.67% carbon and 93.33% iron

Answer: Option D

Explanation:

No answer description available for this question.

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Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

In the aircraft propellers

Question: In the aircraft propellers
[A].

the propulsive matter is ejected from within the propelled body
[B].
the propulsive matter is caused to flow around the propelled body
[C].
its functioning does not depend upon the presence of air
[D].
none of the above

Answer: Option A

Explanation:

No answer description available for this question.

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Ic Engines And Nuclear Power Plants | Mechanical Engineering

A moderator generally used in nuclear power plants is

Question: A moderator generally used in nuclear power plants is
[A].

graphite
[B].
heavy water
[C].
concrete
[D].
graphite and concrete

Answer: Option D

Explanation:

No answer description available for this question.

Read More A moderator generally used in nuclear power plants is
Industrial Engineering And Production Management | Mechanical Engineering

A device used for lifting or lowering objects suspended from a hook at the end of retractable chains or cable is called

Question: A device used for lifting or lowering objects suspended from a hook at the end of retractable chains or cable is called
[A].

hoist
[B].
jib crane
[C].
portable elevator
[D].
chain conveyor

Answer: Option A

Explanation:

No answer description available for this question.

Read More A device used for lifting or lowering objects suspended from a hook at the end of retractable chains or cable is called

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