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Author name: admin

The approximate height of a blast furnace is

Engineering Materials, Mechanical Engineering / admin

Question: The approximate height of a blast furnace is
[A].

10 m

[B].

20 m

[C].

30 m

[D].

40 m

Answer: Option C

Explanation:

No answer description available for this question.

The approximate height of a blast furnace is Read More »

Engineering Materials, Mechanical Engineering

Blast furnace is used to produce

Engineering Materials, Mechanical Engineering / admin

Question: Blast furnace is used to produce
[A].

pig iron

[B].

cast iron

[C].

wrought iron

[D].

steel

Answer: Option A

Explanation:

No answer description available for this question.

Blast furnace is used to produce Read More »

Engineering Materials, Mechanical Engineering

Haematite iron ore contains iron about

Engineering Materials, Mechanical Engineering / admin

Question: Haematite iron ore contains iron about
[A].

30%

[B].

45%

[C].

55%

[D].

70%

Answer: Option D

Explanation:

No answer description available for this question.

Haematite iron ore contains iron about Read More »

Engineering Materials, Mechanical Engineering

Iron ore is, usually, found in the form of

Engineering Materials, Mechanical Engineering / admin

Question: Iron ore is, usually, found in the form of
[A].

oxides

[B].

carbonates

[C].

sulphides

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.

Iron ore is, usually, found in the form of Read More »

Engineering Materials, Mechanical Engineering

Cast iron is a ductile material.

Engineering Materials, Mechanical Engineering / admin

Question: Cast iron is a ductile material.
[A].

Correct

[B].

Incorrect

Answer: Option B

Explanation:

No answer description available for this question.

Cast iron is a ductile material. Read More »

Engineering Materials, Mechanical Engineering

Brittle materials when subjected to tensile loads, snap off without giving any sensible elongation.

Engineering Materials, Mechanical Engineering / admin

Question: Brittle materials when subjected to tensile loads, snap off without giving any sensible elongation.
[A].

Yes

[B].

No

Answer: Option A

Explanation:

No answer description available for this question.

Brittle materials when subjected to tensile loads, snap off without giving any sensible elongation. Read More »

Engineering Materials, Mechanical Engineering

Which of the following property is desirable in parts subjected to shock and impact loads?

Engineering Materials, Mechanical Engineering / admin

Question: Which of the following property is desirable in parts subjected to shock and impact loads?
[A].

Strength

[B].

Stiffness

[C].

Brittleness

[D].

Toughness

Answer: Option D

Explanation:

No answer description available for this question.

Which of the following property is desirable in parts subjected to shock and impact loads? Read More »

Engineering Materials, Mechanical Engineering

Which of the following property is desirable for materials used in tools and machines?

Engineering Materials, Mechanical Engineering / admin

Question: Which of the following property is desirable for materials used in tools and machines?
[A].

Elasticity

[B].

Plasticity

[C].

Ductility

[D].

Malleability

Answer: Option A

Explanation:

No answer description available for this question.

Which of the following property is desirable for materials used in tools and machines? Read More »

Engineering Materials, Mechanical Engineering

A regenerator in a gas turbine improves thermal efficiency.

Compressors, Gas Dynamics and Gas Turbines, Mechanical Engineering / admin

Question: A regenerator in a gas turbine improves thermal efficiency.
[A].

Correct

[B].

Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

A regenerator in a gas turbine improves thermal efficiency. Read More »

Compressors, Gas Dynamics and Gas Turbines, Mechanical Engineering

For maximum work, the reheating should be done to an intermediate pressure of (where p1 = Maximum pressure, and p2 = Minimum pressure)

Compressors, Gas Dynamics and Gas Turbines, Mechanical Engineering / admin

Question: For maximum work, the reheating should be done to an intermediate pressure of (where p1 = Maximum pressure, and p2 = Minimum pressure)
[A].

[B].

[C].

[D].

p1p2

Answer: Option D

Explanation:

No answer description available for this question.

For maximum work, the reheating should be done to an intermediate pressure of (where p1 = Maximum pressure, and p2 = Minimum pressure) Read More »

Compressors, Gas Dynamics and Gas Turbines, Mechanical Engineering