Production technology Quiz 1

A model or replica of a product that is used for forming an impression in damp sand or other suitable material is called

The correct order of processes involved in a casting processis

Which of the following is NOT an advantage of casting process

Which of the following is NOT used to make a pattern?

The parts to keep the core in place in the mould supporting its own weight and withstanding metallostatic force

A separate part made out of sand, generally baked, used to create cavity in the product (casting) is called

A column of molten metal placed in the mould to feed the castings as they shrink and solidy

What are the differences between pattern and casting?

Which of the following are NOT a type of pattern allowances

Which of the following is NOT a type of pattern?

The metal or wood frame with open top and bottom and used to make mould is called as

The upper, middle and lower portions of a flask are called as

Which of the following sand properties are NOT required to make it suitable for casting

A manufacturing process by which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to solidify.

A manufacturing process involving the shaping of metal by plastically deforming using localized compressive forces.

A manufacturing process for producing raised or sunken designs or relief in thin metal strips

A process of joining similar metals by application of heat with or without pressure and addition of filler material

A small funnel shaped cavity at the top of the mould where molten metal is poured

The channel through which the molten metal is carried from sprue to the gate

Small opening in the mold to facilitate the escape of air, gas and steam

The passage through which molten metal flows from pouring basin to runner

Typical shrinkage allowance for cast iron is

To avoid injuring the edges of mould while drawing out of pattern, __ allowance is provided

Machining allowance is provided in which areas of casting?

Rapping allowance is provided to take care of

Which of the following is NOT a constituent of mould sand

Clay are the particles in the sand, which

If the porosity of sand is poor, then it leads to

The difference between green sand and dry sand is

The sand that is used directly next to pattern and comes in contact with the molten metal is

The sand with high clay content and used for larger castings is

To prevent metal burning into the sand, Sea coal OR coal dust is added in which type of sand

Why the backing sand is usually black in color?

Permeability of sand is same as

Refractoriness is the property of sand that

The sand or powder sparyed to prevent moulding sand sticking to parting surface, pattern surface and mould joints is called

Cohesiveness of sand depends upon