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MATERIALS AND CONSTRUCTION

Materials and Construction
Molybdenum steels containing 0.15 to 0.40% molybdenum

Do not contain nickel or chromium or both
Are prone to temper brittleness
Are used for automobile parts like gears, axle, shaft, bearings etc
Have very poor fatigue resistance

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

Pig iron
Low carbon steel
Mild steel
Wrought iron

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Materials and Construction
Reactor used in the production of polyvinyl chloride (PVC) is made of

Aluminium
Tantalum
Nickel or glass lined steel
Lead

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Materials and Construction
Soap kettle used in the production of laundry soap is made of

Nickel
Concrete
Cast iron
Steel with top section nickel clad or stainless steel

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Materials and Construction
In the Kraft process of sulphate paper pulp manufacture, the black liquor and the white liquor storage tank is made of

Concrete
Wood
Porcelain
Steel

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