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Materials and Construction

Materials and Construction
Electronic structure of a material is generally studied by

Spectroscopic techniques
Metallurgical microscope
X-ray
Electron diffraction

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Materials and Construction
Fatigue failure of a material results from __________ stress.

None of these
Tensile
Compressive
Fluctuating

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Materials and Construction
Bog iron used for the adsorption of H?S from coke oven gas is

Carbon free iron
An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide)
Iron impregnated with resin (usually bakelite)
None of these

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Materials and Construction
Steel pipes are normally manufactured by __________ process.

Cold working
Extrusion
Forging
Electroforming

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Materials and Construction
Invar used in thermocouples is an alloy of nickel and

Lead
Iron
Copper
Chromium

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Materials and Construction
Which one is remelted and poured into moulds to get cast iron?

Wrought iron
Pig iron
Mild steel
Low carbon steel

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