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Engineering Materials

Engineering Materials
The ability of a material to resist softening at high temperature is known as

Hot hardness
Hot tempering
Fatigue
Creep

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Engineering Materials
The ability of a material to absorb energy in the plastic range is called

Creep
Fatigue strength
Toughness
Resilience

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Engineering Materials
The main alloying elements high speed steel in order of increasing proportion are

Tungsten, chromium, titanium
Tungsten, titanium, vanadium
Chromium, titanium, vanadium
Vanadium, chromium, tungsten

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Engineering Materials
Closed packed hexagonal space lattice is found in

Zinc, magnesium, cobalt, cadmium, antimony and bismuth
Alpha-iron, tungsten, chromium and molybdenum
None of these
Gamma-iron, aluminium, copper, lead, silver and nickel

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Engineering Materials
The machinability of steel is increased by

Phosphorous and aluminium
Sulphur, graphite and aluminium
Silicon and sulphur
Phosphorous, lead and sulphur

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Engineering Materials
The hardness and tensile strength in austenitic stainless steel can be increased by

Normalizing
Full annealing
Hardening and cold working
Martempering

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MORE MCQ ON Engineering Materials

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