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Engineering Materials

Engineering Materials
An example of amorphous material is

Lead
Glass
Zinc
Silver

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Engineering Materials
Which of the following metal shrinks most from molten state to solid state?

Admiralty metal
Brass
Cast iron
Cast steel

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Engineering Materials
Brass contains

70 - 75% copper and rest tin
85 - 92% copper and rest tin with little lead and nickel
90% copper and 10% tin
70% copper and 30% zinc

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Engineering Materials
Phosphor bronze contains

2.5% phosphorous
1% phosphorous
None of these
0.5% of phosphorous

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Engineering Materials
Beryllium bronze contains

99% copper and 1% beryllium
60% copper and 40% beryllium
80% copper and 20% beryllium
97.75% copper and 2.25% beryllium

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Engineering Materials
The alloying element which reduces the formation of iron sulphide in steel is

Nickel
Chromium
Vanadium
Manganese

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MORE MCQ ON Engineering Materials

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