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Materials and Construction

Materials and Construction
Lead alone is not used in storing equipment, because it

Is very costly
Corrodes easily
None of these
Is having low creep strength

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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%?

Nickel
Steel
Cast iron
Karbate

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Materials and Construction
Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of

Stainless steel
Nickel
Brass
Copper

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Materials and Construction
The purpose of nitriding the steel is to

Improve its reliability
Soften its surface
None of these
Harden its surface

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Materials and Construction
Light weight metallic alloy used in aircraft industry is

Phosphor bronze
High silicon (14%) iron
Duralumin
Aluminium

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Materials and Construction
Ability of a material to __________ is indicated by its damping capacity.

None of these
Absorb shock
Absorb vibration
Withstand compression

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