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Engineering Materials

Engineering Materials
Iron ore is usually found in the form of

Oxides
All of these
Carbonates
Sulphides

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Engineering Materials
The portion of the blast furnace below its widest cross-section is called

Hearth
Stack
Throat
Bosh

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Engineering Materials
In which of the following cases, consideration of creep is important

Cast iron pipes
Gas turbine blades
Flywheel of steam engine
Cycle chains

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Engineering Materials
Cartridge brass can be

Cold rolled into sheets
Drawn into wires
Formed into tube
Any one of these

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Engineering Materials
Beryllium bronze contains

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

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Engineering Materials
Large forgings, crank shafts, axles normally contain carbon up to

0.05 to 0.20%
0.20 to 0.45%
0.45 to 0.55%
0.55 to 1.0%

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