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Materials and Construction

Materials and Construction
A material capable of undergoing large permanent deformation, when subjected to compression is termed as

Brittle
Malleable
Ductile
None of these

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Materials and Construction
Maximum consumption of lead is in the manufacture of

Lead lined vessels
Electric cable sheathing
Solder alloys
Storage batteries

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Materials and Construction
Constantan is an alloy of

Cu (55%) & Ni (45%)
Cu (55%) & Sn (45%)
Fe (80%) & Ni (20%)
Pt (95%) & Rh (10%)

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Materials and Construction
Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese.

44021
1.5-2
3.5-4.5
44179

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Materials and Construction
Which of the following stainless steels is non-magnetic?

Ferritic
Martensitic
None of these
Austenitic

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Materials and Construction
Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70%?

Karbate
Steel
Nickel
Cast iron

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