Metal Casting Quiz

What type of allowance is provided to a pattern for easy withdrawal from a sand mold?

• Draft allowance

• Shrinkage allowance

• Shake allowance

• Finishing allowance

Which casting method is most appropriate for making intricate and highly accurate parts?

• Pressed Casting

• Die Casting

• Investment Casting

• Slush Casting

What is the provision of taper on vertical faces of a mold pattern called?

• Rapping

• Core

• Draft

• Fettling

Which furnace is used for the production of cast iron by melting pig iron?

• Blast furnace

• Cupola furnace

• Open hearth furnace

• Pit furnace

Which of the following is not considered a casting defect?

• Hot tears

• Scar

• Scab

• Hot cracks

What property allows sand molds to withstand high temperatures of molten metal without fusing?

• Adhesiveness

• Porosity

• Refractoriness

• Cohesiveness

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

• Sweep pattern

• Match plate pattern

• Combined pattern

• Loose piece pattern

Which casting defect occurs due to excess moisture content in molding sand?

• Inclusions

• Blow holes

• Shrinkage

• Porosity

In centrifugal casting method, is a core used?

• Yes

• Only for non-ferrous metals

• No

• Only for ferrous metals

What is the main purpose of using a core in sand casting?

• To increase mold strength

• To improve surface finish

• To create internal cavities

• To reduce metal consumption