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Engineering Materials

Engineering Materials
Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio

2.1180555555556
2.9375
40 : 60
30 : 70

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Engineering Materials
Beryllium bronze contains

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

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Engineering Materials
The percentage of carbon in grey iron castings usually varies between

0.5 to 1%
0.012
2.5 to 4.5%
5 to 7%

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Engineering Materials
Connecting rod is, usually, made from

Medium carbon steel
Low carbon steel
High speed steel
High carbon steel

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Engineering Materials
The bond formed by transferring electrons from one atom to another is called

None of these
Covalent bond
Metallic bond
Ionic bond

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Engineering Materials
Foundry crucible is made of

Graphite
German silver
Mild steel
Lead

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