A sand employed on the faces of the pattern before moulding, is called

Workshop Technology
A sand employed on the faces of the pattern before moulding, is called

Dry sand

Green sand

Parting sand

Loam sand

Dry sand

Green sand

Parting sand

Loam sand

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Workshop Technology
In a cold chamber die casting machine

Melting pot may have any location

Low temperature and pressure is used

Melting pot is separate from the machine

Melting pot is an integral part of the machine

Melting pot may have any location

Low temperature and pressure is used

Melting pot is separate from the machine

Melting pot is an integral part of the machine

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Workshop Technology
Rotary swaging

Is extensively used for making bolts and rivets

Is used for reducing the diameters of round bars and a tube by rotating dies which open and close rapidly on the work

Consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part

Is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface

Is extensively used for making bolts and rivets

Is used for reducing the diameters of round bars and a tube by rotating dies which open and close rapidly on the work

Consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part

Is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface

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Workshop Technology
The casting method adopted for ornaments and toys of nonferrous alloys, is

Permanent mould casting

Slush casting

Die casting

Centrifugal casting

Permanent mould casting

Slush casting

Die casting

Centrifugal casting

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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

26 mm/m

20 mm/m

16 mm/m

10 mm/m

26 mm/m

20 mm/m

16 mm/m

10 mm/m

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Workshop Technology
A two high rolling mill consists of two rolls which rotate

At the same speed and in the same direction

At the same speed but in opposite direction

At different speeds and in the same direction

At different speeds and in the opposite direction

At the same speed and in the same direction

At the same speed but in opposite direction

At different speeds and in the same direction

At different speeds and in the opposite direction

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Workshop Technology

Workshop Technology A sand employed on the faces of the pattern before moulding, is called

Workshop Technology In a cold chamber die casting machine

Workshop Technology Rotary swaging

Workshop Technology The casting method adopted for ornaments and toys of nonferrous alloys, is

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 A two high rolling mill consists of two rolls which rotate

Workshop Technology
A sand employed on the faces of the pattern before moulding, is called

Workshop Technology
In a cold chamber die casting machine

Workshop Technology
Rotary swaging

Workshop Technology
The casting method adopted for ornaments and toys of nonferrous alloys, is

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
A two high rolling mill consists of two rolls which rotate