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Materials and Construction

Materials and Construction
Which has the maximum melting point out of the following?

Cast iron
Stainless steel
Wrought iron
Steel

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Materials and Construction
Steel balls for ball bearings are generally made of __________ steel.

Stainless
Cast
Free carbon
Carbon chrome

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Materials and Construction
The carbonating tower used in Solvay process of soda ash manufacture is made of

Karbate
Cast iron
Stainless steel
Lead lined steel

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Materials and Construction
Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2.

Acetic acid
Concentrated H₂SO₄
Dilute HCI
None of these

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Materials and Construction
The material of construction of pressure mills used for squeezing out the juice from sugar cane is

Monel
Stainless steel
Cast iron
Mild steel

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Materials and Construction
Presence of nickel in steel improves its

All of these
Corrosion resistance
Cutting ability
Wear resistance

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