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Materials and Construction

Materials and Construction
Cast iron detachable joint is used in __________ pipes.

Reinforced cement concrete
Asbestos cement
Cast iron
Steel

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Materials and Construction
Glass lined vessels are not used for handling

Dilute HNO₃
Dilute HCI
Hydroflouric acid
Dilute HNO₃

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Materials and Construction
DDT is shipped in

Paper bags
Stainless steel containers
Either B or C
Fibre drums

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Materials and Construction
Molybdenum steels containing 0.15 to 0.40% molybdenum

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

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Materials and Construction
Ball bearings are generally made of

Plain carbon steel
Chrome carbon steel
Stainless steel
Malleable cast iron

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Materials and Construction
Sulphur melting pit in the sulphuric acid plant is made of

Hard wood
Cast iron
Lead lined stainless steel
Steel or cement-brick lined

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