Engineering Materials | Mechanical Engineering

A fine grained steel

Byadmin September 14, 2022

Question: A fine grained steel
[A].

is less tough and has a greater tendency to distort during heat treatment

[B].

is more ductile and has a less tendency to distort during heat treatment

[C].

is less tough and has a less tendency to distort during heat treatment

[D].

is more ductile and has a greater tendency to distort during heat treatment

Answer: Option B

Explanation:

No answer description available for this question.

Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

Oil separator in a refrigeration cycle is installed

Question: Oil separator in a refrigeration cycle is installed
[A].

before compressor
[B].
between compressor and condenser
[C].
between condenser and evaporator
[D].
between condenser and expansion valve

Answer: Option B

Explanation:

No answer description available for this question.

Read More Oil separator in a refrigeration cycle is installed
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

An evaporator is also known as

Question: An evaporator is also known as
[A].

freezing coil
[B].
cooling coil
[C].
chilling coil
[D].
all of these

Answer: Option D

Explanation:

No answer description available for this question.

Read More An evaporator is also known as
Engineering Mechanics | Mechanical Engineering

A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:

Question: A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:
[A].

both the balls undergo an equal change in momentum
[B].
the change in momentum suffered by rubber ball is more than the lead ball
[C].
the change in momentum suffered by rubber ball is less than the lead ball
[D].
none of the above

Answer: Option B

Explanation:

No answer description available for this question.

Read More A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:
Engineering Materials

A reversible change in the atomic structure of steel with corresponding change in the properties is known as___________________?

A reversible change in the atomic structure of steel with corresponding change in the properties is known as___________________?

A. molecular change
B. physical change
C. allotropic change
D. solidus change
E. atomic change

Read More A reversible change in the atomic structure of steel with corresponding change in the properties is known as___________________?
Industrial Engineering And Production Management | Mechanical Engineering

The bonus increases in proportion to the increase in efficiency. This statement applies to

Question: The bonus increases in proportion to the increase in efficiency. This statement applies to
[A].

Halsey plan
[B].
Ganttplan
[C].
Emerson’s efficiency plan
[D].
Rowan plan

Answer: Option C

Explanation:

No answer description available for this question.

Read More The bonus increases in proportion to the increase in efficiency. This statement applies to
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

Intercooling in gas turbines

Question: Intercooling in gas turbines
[A].

decreases net output but increases thermal efficiency
[B].
increases net output but decreases thermal efficiency
[C].
decreases net output and thermal efficiency both
[D].
increases net output and thermal efficiency both

Answer: Option B

Explanation:

No answer description available for this question.

Read More Intercooling in gas turbines

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