The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is

Workshop Technology
The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is

Less than 0.3 percent

Less than 0.1 percent

More than 0.3 percent

Anywhere between 0.1 to 1 percent

Less than 0.3 percent

Less than 0.1 percent

More than 0.3 percent

Anywhere between 0.1 to 1 percent

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Workshop Technology
The cold working of metals is carried out

At the recrystallisation temperature

Below the recrystallisation temperature

At any temperature

Above the recrystallisation temperature

At the recrystallisation temperature

Below the recrystallisation temperature

At any temperature

Above the recrystallisation temperature

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Workshop Technology
The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as

Cold peening

Hot piercing

Cold heading

Extrusion

Cold peening

Hot piercing

Cold heading

Extrusion

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Workshop Technology
Which one of the following material will require the largest size of riser for the same size of casting?

Steel

Cast iron

Aluminium

Copper

Steel

Cast iron

Aluminium

Copper

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Workshop Technology
In forehand welding, the angle between the welding rod and the work is kept as

50°-60°

30°-40°

40°-50°

60°-70°

50°-60°

30°-40°

40°-50°

60°-70°

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Workshop Technology
In permanent mould casting method

Molten metal is poured in a metallic mould, retained in the mould long enough for the outer skin to solidify and finally mould is turned over to remove molten metal still in molten condition

Molten metal is forced into mould under high pressure

Molten metal is poured and allowed to solidify while the mould is revolving

None of these

Molten metal is poured in a metallic mould, retained in the mould long enough for the outer skin to solidify and finally mould is turned over to remove molten metal still in molten condition

Molten metal is forced into mould under high pressure

Molten metal is poured and allowed to solidify while the mould is revolving

None of these

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Workshop Technology

Workshop Technology The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is

Workshop Technology The cold working of metals is carried out

Workshop Technology The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as

Workshop Technology Which one of the following material will require the largest size of riser for the same size of casting?

Workshop Technology In forehand welding, the angle between the welding rod and the work is kept as

Workshop Technology In permanent mould casting method

Workshop Technology
The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is

Workshop Technology
The cold working of metals is carried out

Workshop Technology
The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as

Workshop Technology
Which one of the following material will require the largest size of riser for the same size of casting?

Workshop Technology
In forehand welding, the angle between the welding rod and the work is kept as

Workshop Technology
In permanent mould casting method