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Materials and Construction

Materials and Construction
Which of the following has the least carbon percentage?

White cast iron
Mild steel
Wrought iron
Low carbon steel

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Materials and Construction
Clock pendulums are usually made of __________ steel.

Stainless
None of these
High speed
Heat resisting

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Materials and Construction
Gunmetal and bronze are not corroded by the action of

Hydrochloric acid (10%)
Wet chlorine
Synthetic detergent solution
Nitric acid (< 25%)

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Materials and Construction
Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys.

Iron
Copper
Manganese
Beryllium

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Materials and Construction
A suitable material of construction to use with fuming sulphuric acid is

Stainless steel type 304
Nickel
Monel
Carbon steel

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

Niobium
Chromium
Vanadium
Nickel

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