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Materials and Construction

Materials and Construction
Which of the following metals in not used for coating of the base metal to guard it against corrosion?

Lead
Magnesium
Aluminium
Cadmium

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Materials and Construction
Addition of __________ in steel can help in increasing the depth of hardness.

Tungsten
Nickel
Chromium
Vanadium

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Materials and Construction
Wood metal is not used for making

Soft solder
Fusible safety plug for pressure cooker
Storage tank for storing brine and caustic soda
Casting for dental work

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Materials and Construction
Rotary driers are generally made of

Mild steel
Cast iron
High silicon iron (14% Si)
Tin lined with refractory bricks

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Materials and Construction
Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines?

Chromium steel
Silicon steel
Molybdenum steel
None of these

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Materials and Construction
Liquid ammonia is shipped in __________ containers.

Lead lined
Steel
Aluminium
Glass

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