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Materials and Construction

Materials and Construction
Ceramic materials fabrication can not be done by

Extrusion
Plastic pressing
Slip casting
Welding

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Materials and Construction
Which of the following finds the least commercial use?

High silicon iron
Pure iron
High carbon steel
Low carbon steel

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Materials and Construction
Sulphur melting pit in the sulphuric acid plant is made of

Steel or cement-brick lined
Hard wood
Cast iron
Lead lined stainless steel

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Materials and Construction
Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower

Thermal conductivity
Abundant availability
Corrosion resistance
Price

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Materials and Construction
A hardness depth of about 3 mm can be achieved by induction hardness in __________ seconds.

100
250
5
500

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Materials and Construction
Which of the following has the poorest wel-dability?

Mild steel
Wrought iron
High-carbon steel
Low carbon steel

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