Admiralty gun metal contains__________________?

Byadmin January 29, 2019August 16, 2021

Admiralty gun metal contains__________________?

A. 63 to 67% nickel and 30% copper
B. 88% copper, 10% tin and rest zinc
C. alloy of tin, lead and cadmium
D. iron scrap and zinc
E. none of the above

Engineering Materials

Brass contains___________________?

Brass contains___________________?

A. 70% copper and 30% zinc
B. 90% copper and 10% tin
C. 85-92% copper and rest tin with little lead and nickel
D. 70-75% copper and rest tin
E. 70% copper and 30% tin

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Engineering Materials | Mechanical Engineering

Normalising of steel is done to

Question: Normalising of steel is done to
[A].

refine the grain structure
[B].
remove strains caused by cold working
[C].
remove dislocations caused in the internal structuure due to hot working
[D].
all of the above

Answer: Option D

Explanation:

No answer description available for this question.

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Engineering Materials

The ability of a material to resist softening at high temperature is known as____________________?

The ability of a material to resist softening at high temperature is known as____________________?

A. creep
B. hot tempering
C. hot hardness
D. fatigue
E. superhardening

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Engineering Materials | Mechanical Engineering

The austenitic stainless steel contains

Question: The austenitic stainless steel contains
[A].

18% chromium and 8% nickel
[B].
8% chromium and 18% nickel
[C].
14% chromium and 0.35% carbon
[D].
14% nickel and 0.35% carbon

Answer: Option A

Explanation:

No answer description available for this question.

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Engineering Materials

In grey cast iron, carbon is present in the form of____________________?

In grey cast iron, carbon is present in the form of____________________?

A. cementite
B. free carbon
C. flakes
D. spheroids
E. nodular aggregates of graphite

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Engineering Materials

The alloy used for making electrical resistances and heating elements is____________________?

The alloy used for making electrical resistances and heating elements is____________________?

A. nichrome
B. invar
C. magnin
D. elinvar
E. peiminvar

Read More The alloy used for making electrical resistances and heating elements is____________________?

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