When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces

Engineering Materials
When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces

Nodular cast iron

White cast iron

Alloy cast iron

Malleable cast iron

Nodular cast iron

White cast iron

Alloy cast iron

Malleable cast iron

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Engineering Materials
Preheating is essential in welding

All of these

High speed steel

Cast iron

All nonferrous materials

All of these

High speed steel

Cast iron

All nonferrous materials

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Engineering Materials
White cast iron

Is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable

Is produced by annealing process. It is soft, tough and easily machined metal

Is produced by small additions of magnesium (or creium) in the ladle. Graphite is in nodular or spheroidal form and is well dispersed throughout the material

Contains 1.7 to 3.5% carbon in Free State and is obtained by the slow cooling of molten cast iron

Is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable

Is produced by annealing process. It is soft, tough and easily machined metal

Is produced by small additions of magnesium (or creium) in the ladle. Graphite is in nodular or spheroidal form and is well dispersed throughout the material

Contains 1.7 to 3.5% carbon in Free State and is obtained by the slow cooling of molten cast iron

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Engineering Materials
The molecules in a solid move

Back and forth like tiny pendulums

In a haphazard way

In a random manner

In circular motion

Back and forth like tiny pendulums

In a haphazard way

In a random manner

In circular motion

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Engineering Materials
Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is

Duralumin

Hastelloy

Invar

Silver metal

Duralumin

Hastelloy

Invar

Silver metal

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Engineering Materials
German silver contains

No silver

1% silver

2% silver

5% silver

No silver

1% silver

2% silver

5% silver

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Engineering Materials

Engineering Materials When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces

Engineering Materials Preheating is essential in welding

Engineering Materials White cast iron

Engineering Materials The molecules in a solid move

Engineering Materials Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is

Engineering Materials German silver contains

Engineering Materials
When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces

Engineering Materials
Preheating is essential in welding

Engineering Materials
White cast iron

Engineering Materials
The molecules in a solid move

Engineering Materials
Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is

Engineering Materials
German silver contains