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Materials and Construction

Materials and Construction
__________ alloys have the highest specific strength of all the structural materials out of the following.

Titanium
Chromium
Magnetic steel
Magnesium

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Materials and Construction
Stainless steel is not corroded by

Nitric acid (10%)
Sulphuric acid (10%)
Saturated brine
Hydrochloric acid (10%)

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Materials and Construction
Heavy duty bearings are usually made of

Monel
Zinc
White metal
Phosphorous bronze

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Materials and Construction
Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70%?

Cast iron
Steel
Nickel
Karbate

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Materials and Construction
Chilled iron castings are

Soft on surface
Highly wear resistant
Easily machinable
None of these

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Materials and Construction
Reactor used in the production of polyvinyl chloride (PVC) is made of

Aluminium
Tantalum
Lead
Nickel or glass lined steel

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