The tensile strength of wrought iron is maximum

Wrought iron is manufactured from pig iron by

A

Refining

B

Pudding

C

Shingling

D

All the above

The variety of pig iron used for manufacture of wrought iron, is

A

Bessemer pig

B

Grey or foundry pig

C

White forge pig

D

Mottled pig

The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as

A

Cementation process

B

Crucible process

C

Bessemer process

D

Open hearth process

The compressive strength of cast iron is __________ that of its tensile strength.

A

Equal to

B

Less than

C

More than

D

None of these

Which is the false statement about wrought iron? It has

A

High resistance to rusting and corrosion

B

High ductility

C

Ability of hold protective coating

D

Uniform strength in all directions

Wrought iron is

A

Hard

B

High in strength

C

Highly resistant to corrosion

D

Heat treated to change its properties

Wrought iron

A

Is a ductile material

B

Can be easily forged or welded

C

Cannot stand sudden and excessive shocks

D

All of these

Wrought iron is used for

A

Structural works in beams

B

Small sized water pipes

C

Columns and struts

D

None to these

Wrought iron contains carbon about

A

1.5% to 5.5%

B

0.5% to 1.75%

C

0.1% to 0.25%

D

None to these

Wrought iron is a suitable material of construction for handling __________ solutions.

A

Dilute acidic

B

Concentrated acidic

C

Alkalis & alkaline

D

None of these

The tensile strength of wrought iron is maximum

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