White metal contains__________________?

Byadmin January 29, 2019August 16, 2021

White metal contains__________________?

A. 63 to 67% nickel and 30% copper
B. 88% copper and 10% tin and rest zinc
C. alloy of tin, lead and cadmium
D. silver and chromium
E. malleable cast iron and silver

Engineering Materials

Addition of lead and bismuth to aluminium results in_________________?

Addition of lead and bismuth to aluminium results in_________________?

A. improvement of casting characteristics
B. improvement of corrosion resistance
C. one of the best known age and precipitation-hardening systems
D. improving machinability
E. none of the above

Read More Addition of lead and bismuth to aluminium results in_________________?
Engineering Materials | Mechanical Engineering

Aluminium bronze has high resistance to corrosion.

Question: Aluminium bronze has high resistance to corrosion.
[A].

True
[B].
False

Answer: Option B

Explanation:

No answer description available for this question.

Read More Aluminium bronze has high resistance to corrosion.
Engineering Materials

The following types of materials are usually the most ductile__________________?

The following types of materials are usually the most ductile__________________?

A. face-centred cubic lattice
B. body-centred cubic lattice
C. hexagonal close-packed lattice
D. all of the above
E. none of the above

Read More The following types of materials are usually the most ductile__________________?
Engineering Materials

Balls for ball bearings are made of_________________?

Balls for ball bearings are made of_________________?

A. cast iron
B. mild steel
C. stainless steel
D. carbon-chrome steel
E. high carbon steel

Read More Balls for ball bearings are made of_________________?
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

Read More In mottled cast iron, carbon is available in__________________?
Engineering Materials

Heavy duty leaf and coil spring* contain carbon of the following order ________________?

Heavy duty leaf and coil spring* contain carbon of the following order ________________?

A. 0.2%
B. 0.5%
C. 0.8%
D. 1.0%
E. 1.5%.

Read More Heavy duty leaf and coil spring* contain carbon of the following order ________________?

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