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Materials and Construction

Materials and Construction
Which of the following alloys does not contain nickel?

Inconel
Monel
Babbit metal
Chlorinet - 2 alloy

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Materials and Construction
Dry chlorine can be handled in a vessel made of

Ickel
Iron or steel
Brass
PVC

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Materials and Construction
In order to be called steel, an alloy should have iron percentage greater than

70
80
50
90

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Materials and Construction
The hardest material just prior to diamond in Mhos scale is

Calcite
Topax
Carborundum
Corrundum

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Materials and Construction
18-4-1 high speed steel contains 18%, 4% and 1% respectively of

Tungsten, vanadium and chromium
Tungsten, chromium and vanadium
Chromium, tungsten and vanadium
Vanadium, chromium and tungsten

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Materials and Construction
Molybdenum steels containing 0.15 to 0.40% molybdenum

Are used for automobile parts like gears, axle, shaft, bearings etc
Have very poor fatigue resistance
Are prone to temper brittleness
Do not contain nickel or chromium or both

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