In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls.

Workshop Technology
In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls.

Equal to

Larger than

None of these

Smaller than

Equal to

Larger than

None of these

Smaller than

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Workshop Technology
In permanent mould casting method

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

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

None of these

Molten metal is forced into mould under high pressure

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

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

None of these

Molten metal is forced into mould under high pressure

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Workshop Technology
The operation of cutting a sheet of metal in a straight line along the length, is known as

Forming

Slitting

Plunging

Notching

Forming

Slitting

Plunging

Notching

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Workshop Technology
If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be

10 mm/m

20 mm/m

26 mm/m

16 mm/m

10 mm/m

20 mm/m

26 mm/m

16 mm/m

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Workshop Technology
During drawing operation, the states of stress in cup would include

None of these

Tensile stress in the wall

Compressive stress in the flange

Both (A) and (B)

None of these

Tensile stress in the wall

Compressive stress in the flange

Both (A) and (B)

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Workshop Technology
Which of the following welding method uses a pool of molten metal?

Submerged arc welding

MIG arc welding

Carbon arc welding

TIG arc welding

Submerged arc welding

MIG arc welding

Carbon arc welding

TIG arc welding

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Workshop Technology

Workshop Technology In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls.

Workshop Technology In permanent mould casting method

Workshop Technology The operation of cutting a sheet of metal in a straight line along the length, is known as

Workshop Technology If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be

Workshop Technology During drawing operation, the states of stress in cup would include

Workshop Technology Which of the following welding method uses a pool of molten metal?

Workshop Technology
In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls.

Workshop Technology
In permanent mould casting method

Workshop Technology
The operation of cutting a sheet of metal in a straight line along the length, is known as

Workshop Technology
If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be

Workshop Technology
During drawing operation, the states of stress in cup would include

Workshop Technology
Which of the following welding method uses a pool of molten metal?