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Engineering Materials

Engineering Materials
The cupola is used to manufacture

Pig iron
Cast iron
Steel
Wrought iron

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Engineering Materials
A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as

Allotropic change
Heat treatment
Recrystallization
Precipitation

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Engineering Materials
Crystal structure of a material is, generally, examined by

X-ray techniques
Naked eye
Optical microscope
Metallurgical microscope

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Engineering Materials
Which of the following steel making process is being adopted at Rourkela (in India) Steel Plant?

Open hearth process
Electric process
LD process
Bessemer process

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Engineering Materials
Iron-carbon alloys containing 1.7 to 4.3% carbon are known as

Hypereutectic cast irons
Hypoeutectic cast irons
None of these
Eutectic cast irons

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Engineering Materials
Corrosion resistance of steel is increased by adding

Nickel and molybdenum
Tungsten and sulphur
Aluminium and zinc
Chromium and nickel

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