Engineering Materials | Mechanical Engineering

White cast iron has

Byadmin September 14, 2022

Question: White cast iron has
[A].

carbon in the form of carbide

[B].

low tensile strength

[C].

high compressive strength

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.

Engineering Materials | Mechanical Engineering

Duplex process of steel making is a combination of

Question: Duplex process of steel making is a combination of
[A].

basic bessemer and acid open hearth processes
[B].
acid bessemer and basic open hearth processes
[C].
acid bessemer and acid open hearth processes
[D].
basic bessemer and basic open hearth processes

Answer: Option B

Explanation:

No answer description available for this question.

Read More Duplex process of steel making is a combination of
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

A perfect black body is one which

Question: A perfect black body is one which
[A].

is black in colour
[B].
absorbs heat radiations of all wave lengths falling on it
[C].
reflects all the heat radiations
[D].
transmits the heat radiations

Answer: Option B

Explanation:

No answer description available for this question.

Read More A perfect black body is one which
Mechanical Engineering | Production Engineering

Mild steel during machining produces __________ chips.

Question: Mild steel during machining produces __________ chips.
[A].

continuous
[B].
discontinuous

Answer: Option A

Explanation:

No answer description available for this question.

Read More Mild steel during machining produces __________ chips.
Industrial Engineering And Production Management | Mechanical Engineering

In jobbing production

Question: In jobbing production
[A].

highly skilled workers are needed
[B].
unit costs are high
[C].
operations are labour-intensive
[D].
all of these

Answer: Option D

Explanation:

No answer description available for this question.

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Engineering Mechanics | Mechanical Engineering

Moment of inertia of a hollow rectangular section as shown in the below figure about Y-Y axis, is not the same as that about X-X axis.

Question: Moment of inertia of a hollow rectangular section as shown in the below figure about Y-Y axis, is not the same as that about X-X axis.
[A].

Yes
[B].
No

Answer: Option A

Explanation:

No answer description available for this question.

Read More Moment of inertia of a hollow rectangular section as shown in the below figure about Y-Y axis, is not the same as that about X-X axis.
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called

Question: A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called
[A].

automatic expansion valve
[B].
high side float valve
[C].
thermostatic expansion valve
[D].
low side float valve

Answer: Option D

Explanation:

No answer description available for this question.

Read More A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called

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