According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is

Engineering Materials
According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is

0.4 to 0.6%

0.35 to 0.45%

0.6 to 0.8%

0.0004

0.4 to 0.6%

0.35 to 0.45%

0.6 to 0.8%

0.0004

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Engineering Materials
Monel metal contains

Alloy of tin, lead and cadmium

Malleable iron and zinc

88% copper and 10% tin and rest zinc

63 to 67% nickel and 30% copper

Alloy of tin, lead and cadmium

Malleable iron and zinc

88% copper and 10% tin and rest zinc

63 to 67% nickel and 30% copper

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Engineering Materials
Ductile 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

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

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

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

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

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

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Engineering Materials
Phosphor bronze contains

1% phosphorous

0.5% of phosphorous

None of these

2.5% phosphorous

1% phosphorous

0.5% of phosphorous

None of these

2.5% phosphorous

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Engineering Materials
Ductility of a material can be defined as

Ability to undergo large permanent deformations in compression

All of these

Ability to recover its original form

Ability to undergo large permanent deformations in tension

Ability to undergo large permanent deformations in compression

All of these

Ability to recover its original form

Ability to undergo large permanent deformations in tension

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Engineering Materials
When low carbon steel is heated up to upper critical temperature

The grain size first increases and then decreases very rapidly

The grain size increases very rapidly

The average grain size is a minimum

There is no change in grain size

The grain size first increases and then decreases very rapidly

The grain size increases very rapidly

The average grain size is a minimum

There is no change in grain size

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Engineering Materials

Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is

Engineering Materials Monel metal contains

Engineering Materials Ductile cast iron

Engineering Materials Phosphor bronze contains

Engineering Materials Ductility of a material can be defined as

Engineering Materials When low carbon steel is heated up to upper critical temperature

Engineering Materials
According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is

Engineering Materials
Monel metal contains

Engineering Materials
Ductile cast iron

Engineering Materials
Phosphor bronze contains

Engineering Materials
Ductility of a material can be defined as

Engineering Materials
When low carbon steel is heated up to upper critical temperature