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Materials and Construction

Materials and Construction
Nickel and molybdenum are the basic constituents of

Solder
Hastealloy
German silver
Inconel

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Materials and Construction
Percentage elongation of a material is a measure of its

Brittleness
Toughness
Malleability
Ductility

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

Vanadium
Nickel
Chromium
Niobium

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Materials and Construction
Kel-F is a material, which is

All of these
Chemically known as polychlorotrifluor-oethylene (PTFE)
Having excellent chemical & high temperature resistance (upto 200°C)
Having elastomeric properties

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Materials and Construction
High speed cutting tool steels contain about __________ percent of tungsten.

43990
30-35
18-20
50-55

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Materials and Construction
SO₃ is absorbed using H₂SO₄ in a

None of these
Cast iron packed tower
Stainless steel plate tower
Packed steel tower lined with acid proof bricks

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