Engineering Materials | Mechanical Engineering

The alloy, mainly used for corrosion resistance in stainless steels is

Byadmin September 14, 2022

Question: The alloy, mainly used for corrosion resistance in stainless steels is
[A].

silicon

[B].

manganese

[C].

carbon

[D].

chromium

Answer: Option D

Explanation:

No answer description available for this question.

Engineering Materials

In mottled cast iron, carbon is available in__________________?

In mottled cast iron, carbon is available in__________________?

A. free form
B. combined form
C. nodular form
D. flat form
E. partly in free and partly in combined state

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Engineering Materials

The unique property of cast iron is its high ___________________?

The unique property of cast iron is its high ___________________?

A. malleability
B. ductility
C. surface finish
D. damg characteristics
E. hardness

Read More The unique property of cast iron is its high ___________________?
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In a vapour compression refrigeration system, a throttle valve is used in place of an expander because

Question: In a vapour compression refrigeration system, a throttle valve is used in place of an expander because
[A].

it considerably reduces mass of the system
[B].
it improves the C.O.P., as the condenser is small
[C].
the positive work in isentropic expansion of liquid is very small
[D].
it leads to significant cost reduction

Answer: Option C

Explanation:

No answer description available for this question.

Read More In a vapour compression refrigeration system, a throttle valve is used in place of an expander because
Engineering Materials | Mechanical Engineering

Cast iron is a

Question: Cast iron is a
[A].

ductile material
[B].
malleable material
[C].
brittle material
[D].
tough material

Answer: Option C

Explanation:

No answer description available for this question.

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Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

During sensible cooling of air, specific humidity

Question: During sensible cooling of air, specific humidity
[A].

remains constant
[B].
increases
[C].
decreases

Answer: Option A

Explanation:

No answer description available for this question.

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Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In a saturated air-water vapour mixture, the

Question: In a saturated air-water vapour mixture, the
[A].

dry bulb temperature is higher than wet bulb temperature
[B].
dew point temperature is lower than wet bulb temperature
[C].
dry bulb, wet bulb and dew point temperature are same
[D].
dry bulb temperature is higher than dew point temperature

Answer: Option C

Explanation:

No answer description available for this question.

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