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Materials and Construction

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

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

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Materials and Construction
Rotary kilns in cement industry are lined with____bricks.

Silica
High alumina & high magnesia
Fireclay
Lead

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Materials and Construction
As the impurities are oxidised, the melting point of iron

Increases
Remains unchanged
Decreases
May increase or decrease ; unpredictable

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Materials and Construction
Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the __________ stress.

None of these
Yield point
Ultimate
Proof

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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
Mild steel
Cast iron
Stainless steel

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Materials and Construction
18/8 stainless steel means, that it contains

18% chromium and 8% nickel
18% chromium and 8% molybdenum
18% molybdenum and 8% chromium
18% nickel and 8% chromium

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