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Materials and Construction

Materials and Construction
The damage/deterioration of metals by the __________ action of fluids is called 'erosion'.

Corrosive
Both A & B
Neither A nor B
Abrasive

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Materials and Construction
Carbon is present in the combined form (carbide) in case of

Steel
Pig iron
All of these
Ferroalloys

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Materials and Construction
A material no longer behaves elastically beyond

Plastic limit
Breaking load
Elastic limit
Limiting load

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Materials and Construction
18/8 stainless steel means, that it contains

18% nickel and 8% chromium
18% chromium and 8% nickel
18% molybdenum and 8% chromium
18% chromium and 8% molybdenum

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Materials and Construction
Cast iron vessels are not suitable for the storage of

Freon
Wet SO₂
H₂SO₄ (95%) at room temperature
H₂SO₄ (fuming)

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Materials and Construction
Corrosion involves exchange of electrons in __________ corrosion.

Neither A nor B
Both A & B
Electrochemical
Chemical

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