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Materials and Construction

Materials and Construction
An alloy of iron containing 4% carbon is called

Wrought iron
None of these
Mild steel
High carbon steel

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Materials and Construction
Fermenter used in the production of pen-cillin by deep fermentation proces is a __________ lined steel vessel

Glass
Nickel
Monel
Rubber

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Materials and Construction
Wood metal is not used for making

Storage tank for storing brine and caustic soda
Soft solder
Fusible safety plug for pressure cooker
Casting for dental work

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Materials and Construction
Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the

Ultimate tensile strength (U.T.S.)
Endurance limit
Elastic limit
None of these

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Materials and Construction
Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys.

Iron
Manganese
Copper
Beryllium

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Materials and Construction
Iron rust is

Ferric sulphide
Hydrated ferric oxide
Powdered iron
Ferrous oxide

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