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Materials and Construction

Materials and Construction
Carbon is present in the combined form (carbide) in case of

All of these
Steel
Pig iron
Ferroalloys

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Materials and Construction
Ferric stainless steels compared to austenitic stainless steels

Are less ductile and hence less suitable for cold pressing
All of these
Are harder to fabricate
Have lower corrosion resistance

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Materials and Construction
The addition of antimony in tin-based alloys improves its

Rupture strength and hot hardness
Deformation resistance
Impact strength and bonding strength
Wear resistance

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

1.5-2
44021
44179
3.5-4.5

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Materials and Construction
The main constituent of carborundum is __________ carbide.

Boron
Aluminium
Calcium
Silicon

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Materials and Construction
The 'bomb' in the bomb calorimeter is made of

Molybdenum stainless steel
Copper
High silicon iron (14% Si)
Mild steel

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