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Materials and Construction

Materials and Construction
For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is

Cast iron
Aluminium
Nickel
Stainless steel

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Materials and Construction
Carbon is present in the uncombined (graphitic) form in case of

None of these
Steel
Ferroalloy
Cast iron

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Materials and Construction
Most of the common metals have __________ crystal structure.

Hexagonal
Cubic
Orthorhombic
None of these

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

18-20
43990
50-55
30-35

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Materials and Construction
'Semi steel' is

Produced by adding 10-20% steel to the cupola charge
Stronger than cast iron
Both A & B
Neither A nor B

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Materials and Construction
Stainless steel contains

Aluminium
Chromium and nickel
Vanadium
Copper

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