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Materials and Construction

Materials and Construction
__________ moulding process can not be used for thermoplastic plastics.

None of these
Extrusion
Compression
Injection

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Materials and Construction
White cast iron as compared to grey cast iron is

More durable
Very hard
All of these
Very brittle

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

Low carbon steel
High-carbon steel
Mild steel
Wrought iron

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Materials and Construction
Cast iron vessels are not suitable for the storage of

Wet SO₂
H₂SO₄ (95%) at room temperature
H₂SO₄ (fuming)
Freon

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Materials and Construction
Carbon is present in the uncombined (graphitic) form in case of

None of these
Cast iron
Ferroalloy
Steel

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Materials and Construction
Carbon content in steel is __________ percent.

43865
0.1-2
0.001-0.01
43927

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