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Materials and Construction

Materials and Construction
Plate and frame filter press is usually made of

Cast iron
Galvanised iron
Stainless steel
Mild steel

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Materials and Construction
High speed steel tools retain their hardness upto a temperature of __________ °C.

750
900
500
1100

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Materials and Construction
Addition of tungsten to steel imparts

Cutting hardness
Ductility
Magnetic properties
Corrosion resistance

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

Stainless steel
Aluminium
Nickel
Cast iron

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Materials and Construction
Percentage of silver in German silver is

20
10
0
5

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Materials and Construction
Cast iron and steel pipes are produced by __________ casting.

Die
Investment
True centrifugal
Slush

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