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Materials and Construction

Materials and Construction
Combination of metals and ceramics are called

Pellets
Non-crystalline ceramics
Cermets
Metalloy

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Materials and Construction
Concrete tank can be used to store

Sulphuric acid
Saturated brine
Alum
Ferrous sulphate

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Materials and Construction
In the kraft (sulphate) process for the paper manufacture, the digestor is made of

Wrought iron
Karbate carbon
Cast iron
Stainless steel

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Materials and Construction
A suitable material of construction to use with fuming sulphuric acid is

Carbon steel
Monel
Stainless steel type 304
Nickel

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Materials and Construction
Most common stainless steel type 316, which is highly resistant to corrosion contains

None of these
20-22% Cr, and 8-10% Ni
2-4% Cr, 22% NI and 2-4% Mo
16-13% Cr 10-14% Ni and 2-3% Mo

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Materials and Construction
Carbon supply in pack carburising process is in the form of

Hydrocarbon oil
Charcoal
Graphite
Calcium carbide

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MORE MCQ ON Materials and Construction

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