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Materials and Construction

Materials and Construction
To improve the machinability of steel by its softening, it is subjected to

Heating
Shot blasting
Cold working
Annealing

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Materials and Construction
Which of the following is not a copper based alloy with nickel?

Monel metal
Constantan
German silver
Inconel

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Materials and Construction
Trough of an apron conveyor is made of

Either B or C
Metal
Wood
Lead lined concrete vessel

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Materials and Construction
Acetylene gas holder is made of

Monel metal
Copper
Cast iron
Steel

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Materials and Construction
The formation of oxide film on a metal due to atmospheric exposure reduces its

Toughness
Stiffness
All of these
Creep limit

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Materials and Construction
Reduction in the grain size reduces the __________ of the material.

All of these
Fatigue resistance
Tensile strength
Creep resistance

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