MP_1_Casting Process

In________________ process molten metal is used to produce the products.

• Casting

• Forming

• Machining

• Welding

In _________________ process wastage of material is high.

• Casting

• Forming

• Machining

• Welding

For mounting several patterns at a time, following type of pattern is used

• Combined pattern

• Loose piece pattern

• Sweep pattern

• Match plate pattern

Draft on pattern for casting is

• Shrinkage allowance

• Identification number marked on it

• Taper to facilitate its removal from mould

• Increase in size of cavity due shaking of pattern

In order to facilitate with draw of pattern

• Pattern is made smooth

• Water is applied on pattern surface

• Allowance are made on pattern

• Draft is provided on pattern

Least shrinkage allowance is provided in the case of following

• Brass

• Aluminium

• Cast iron

• Steel

The taper provided on pattern to its easy and clean withdraw from the mould is called

• Taper allowance

• Distortion allowance

• Draft allowance

• Pattern allowance

The draft allowance on the patterns is provided in order to

• Provide good of air in the sand molding

• Provide for distortion that might take place

• Remove the pattern easily from the molding

• Increase the strength of the molding

The draft allowance on metallic pattern in comparison to wooden ones

• Same

• More

• Less

• None of the above

Which of the following materials has more shrinkage allowance

• Cast iron

• Brass

• Lead

• Aluminum alloy