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Materials and Construction

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

Neither A nor B
Chemical
Both A & B
Electrochemical

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Materials and Construction
__________ does not contain tin as an alloying material.

Brass
Babbit metal
Pewter
Solder

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Materials and Construction
Which of the following is a low melting point metal?

Wrought iron
Tin
Stainless steel
Copper

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Materials and Construction
The chlorinator used in the manufacture of DDT is made of

Glass
Glass lined steel
Bakelite
Teflon

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Materials and Construction
In drop forging process, the forging is done by dropping the __________ at high velocity.

Weight on hammer
Die with hammer
Workpiece
Hammer

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Materials and Construction
The heat treatment process to which castings and the steel balls produced by cold heading are subjected is

None of these
Tempering
Normalising
Annealing

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