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Materials and Construction

Materials and Construction
Trough of an apron conveyor is made of

Lead lined concrete vessel
Metal
Wood
Either B or C

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Materials and Construction
Spray dryer for evaporating milk to produce milk powder is made of

Cast iron
Lead lined steel
Stainless steel
Aluminium

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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.

Yield point
Proof
None of these
Ultimate

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Materials and Construction
Cast iron is having very high

Proximity between its elastic limit and ultimate breaking strength
Ductility
Tensile strength
All of these

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Materials and Construction
Tin vessels are corroded by

Anhydrous ammonia
None of these
Aromatic solvents
Synthetic detergent solution

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Materials and Construction
Which of the following is the most elastic material?

Plastic
Glass
Rubber
Steel

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