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Materials and Construction

Materials and Construction
Bearings subjected to light load are made of

Phosphorous bronze
White metal
Monel
Silicon bronze

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Materials and Construction
Anodic material used for the cathodic protection of underground buried steel pipeline is

Bronze
Nickel or copper
Brass
Zinc or magnesium

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Materials and Construction
When iron is rusted, it is

Converted to a fine powder
Reduced
None of these
Oxidised

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Materials and Construction
Gas holder of a gobar (cowdung) gas plant is made of

Tin
Mild steel
Molybdenum stainless steel
Aluminium

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Materials and Construction
Alinco, which is a aluminium-cobalt-nickel steel, is used for making

Boiler tubes
Chemical equipments
Surgical instruments
Powerful magnets

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Materials and Construction
Which of the following will have the highest melting point?

Pig iron
High carbon steel
Mild steel
Wrought iron

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