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Materials and Construction

Materials and Construction
__________ can replace tungsten in high speed steel,

Cobalt
Vanadium
Molybdenum
Chromium

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Materials and Construction
__________ is added in stainless steel to prevent inter crystal corrosion.

Chromium
Nickel
Niobium
Vanadium

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Materials and Construction
How many atoms are there per unit cell in a body centred cubic lattice system?

2
4
6
3

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

Martensitic
None of these
Austenitic
Ferritic

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

Tensile strength
Fatigue resistance
Creep resistance
All of these

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Materials and Construction
Which of the following heat treatment processes is used for softening the hardened material?

None of these
Annealing
Normalising
Tempering

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