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Materials and Construction

Materials and Construction
The material of construction of bearings is

Steel
Babbit metal
Pig iron
Cast iron

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Materials and Construction
Aluminium as a material of construction suffers from the disadvantage of

Very low strength to weight ratio
Very high cost
Rather low tensile strength
Scarce availability

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Materials and Construction
Caustic soda can be stored in __________ drums.

Gun metal
Steel
Cast iron
Brass

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Materials and Construction
__________ is used for determining the tensile strength of steels.

Mechanical press
Universal testing machine
Hydraulic press
None of these

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

None of these
Acetic acid
v
Dilute HC₁

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Materials and Construction
In SO₃ absorber (Contact Process), packing material used is of

Chemical stoneware
Karbate
Mild steel
Cast iron

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