In a centrifugal casting method

A Core is made of sand
B Core is made of ferrous metal
C Core is made of nonferrous metal
D No core is used

Correct Answer: No core is used

Centrifugal casting is a process that delivers components of high material soundness.
By spinning a mold while molten metal is poured into it, centrifugal force acts to distribute the molten metal in the mold at pressures approaching 100 times the force of gravity.
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Related Questions

The centrifugal casting method, is used for casting articles of
A Symmetrical shape about vertical axis
B Symmetrical shape about horizontal axis
C Irregular shape
D Nonferrous metal only
Casting of a centrifugal pump is designed so as to minimize
A Friction loss
B Cavitations
C Static head
D Loss of kinetic energy
A casting defect which results in general enlargement of a casting is known as
A Shift
B Sand wash
C Swell
D Scab
A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as
A Shift
B Sand wash
C Swell
D Scab
The casting method adopted for ornaments and toys of nonferrous alloys, is
A Permanent mould casting
B Slush casting
C Die casting
D Centrifugal casting
In average work, the tolerance produced by investment casting method is
A ±0.05 mm
B +0.2 mm
C +05 mm
D +1 mm
In permanent mould casting method
A 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
B Molten metal is poured and allowed to solidify while the mould is revolving
C Molten metal is forced into mould under high pressure
D None of the above
When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as
A Die casting method
B Slush casting method
C Permanent mould casting method
D Centrifugal casting method
'Many' machines use the centrifugal force 'generated' by a sudden 'movement' to 'activating' catches and ratchets.
A Many
B generated
C movement
D activating
The antonym of "centrifugal"is-
A Ephemerel
B Centripetal
C Lasting
D Berometric

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