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Materials and Construction

Materials and Construction
Fatigue failure of a material results from __________ stress.

None of these
Tensile
Fluctuating
Compressive

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Materials and Construction
An ideal material of construction for the storage of 50% caustic soda solution would be

Karbate
Monel
None of these
High silicon cast iron

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Materials and Construction
Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (l/20th of ordinary metals)?

Invar
Chromel
Alumel
Constantan

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Materials and Construction
__________ is never shipped in glass carboys.

Ammonia
Acetic acid
Phenol
Formaldehyde

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Materials and Construction
Carbon is present in steel wholly in the

Both A & B
Combined form
Neither A nor B
Free state as graphite

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Materials and Construction
With increase in the carbon percentage in the steel, its

Hardness increases
Tensile strength increases
All of these
Ductility reduces

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