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Materials and Construction

Materials and Construction
Most of the common metals have __________ crystal structure.

Hexagonal
None of these
Orthorhombic
Cubic

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Materials and Construction
Karbate is

Both B and C
A mixture of iron dust and saw dust
Carbon impregnated with resin (usually bakelite)
An acid resistant material

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Materials and Construction
Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese.

1.5-2
3.5-4.5
44021
44179

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Materials and Construction
Maximum carbon content in cast iron is __________ percent.

4.3
5.2
4.8
3.8

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Materials and Construction
Water gas generator is made of

Stainless steel-lead lined
Cast iron
Carbon steel-brick lined
High carbon steel-procelain lined

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Materials and Construction
Which of the following is not an alloy of copper and tin?

Bell metal
Admiralty gun metal
Gun metal
Monel metal

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