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Materials and Construction

Materials and Construction
Soap kettle used in the production of laundry soap is made of

Cast iron
Concrete
Steel with top section nickel clad or stainless steel
Nickel

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Materials and Construction
Ability of a material to __________ is indicated by its damping capacity.

Withstand compression
Absorb shock
None of these
Absorb vibration

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Materials and Construction
Presence of silicon in steel

Is in the form of free Si
Indicates that steel is not deoxidised properly
None of these
Decreases the blow holes formation tendency in castings

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Materials and Construction
Steel pipes are normally manufactured by __________ process.

Forging
Extrusion
Electroforming
Cold working

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Materials and Construction
A hardened steel essentially contains

None of these
Martensite
Sorbite
Troostite

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Materials and Construction
Silicon percentage in acid resistant cast iron is about

4
8
20
14

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