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Materials and Construction

Materials and Construction
__________ is never shipped in glass carboys.

Phenol
Acetic acid
Formaldehyde
Ammonia

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Materials and Construction
Ability of a material to absorb energy in deformation in the plastic range is characterised as its

Creep
Toughness
Resilience
Ductility

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Materials and Construction
When the steel is subjected to normalising, its __________ decreases.

Ultimate tensile strength (UTS)
Ductility
None of these
Yield point

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Materials and Construction
H₂SO₄ (< 50% concentration) is corrosive to

Copper, cast iron & high silicon iron (14% Si)
Glass, graphite, porcelain & stoneware
Rubber (butyl and hard), silicone rubber & teflon
Aluminium, mild steel, stainless steel, concrete & tin

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Materials and Construction
__________ possesses viscoelastic properties.

Glass
Cork
Rubber
Graphite

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Materials and Construction
The fermentor used in the production of pencillin (by deep fermentation process) is made of

High silicon cast iron
Glass lined steel
Glass
Procelain

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MORE MCQ ON Materials and Construction

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