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Materials and Construction

Materials and Construction
Vycor, a widely used material for making 'thermal wells' in temperature measurement, is a

Thermosetting plastic
Cermet
Glass
Metallic alloy

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Materials and Construction
Hardening of steel is not possible unless it is heated __________ critical point.

Between the second & third
Above the highest
Between the first & second
Above the lowest

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Materials and Construction
Wood metal is not used for making

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

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Materials and Construction
Cast iron detachable joint is used in __________ pipes.

Asbestos cement
Steel
Reinforced cement concrete
Cast iron

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Materials and Construction
Silicone rubber is not resistant to the corrosive action of

Ether
Both B and C
Sulphuric acid (10%)
Sulphuric acid (95%)

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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
Karbate
Steel
Nickel

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