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06000ME365122001

PART ‏تا‎
‎Answer any three full questions, each carries 10 marks.
Define the term Fluidity of molten metal. Explain various factors influencing
fluidity.
With neat sketch explain any 3 degassing methods
Explain the term “molten metal treatment” in casting process.
A casing of size 200X100X70 mm? solidifies in 10 Minute. Estimate the time
for solidification of 20X100X10 mm? casting under similar working
conditions.
With neat sketch explain directional and progressive solidification.
With the help of cooling curve explain the solidification of pure metal.
Explain the different methods of manipulating heat transfer during
solidification
With neat sketch explain the following crystal growth methods
(1)Bridgmann technique (2)Vernuil method
Explain the heat transfer process from the sand mould in casting process.
What is meant by the term nucleation? Explain homogeneous and
heterogeneous nucleation.
Explain the following terms
(1) Riser effect (2) End effect
PART ட
Answer any four full questions, each carries 10 marks.
List any 6 applications of Grey Cast Iron.
With suitable example explain different aluminium alloy systems.
Explain alloy steel with suitable example. List any 3 industrial applications of
alloy steel.
Explain flux and flux less melting of Mg alloys.
List any 4 advantages of Cu alloys.
Explain any 3 grain refinement methods of Al alloys.
What are the metallurgical design considerations in casting?
With neat sketch explain the following non-destructive testing in casting.

(1)X Ray radiography test (2) Dye penetrant testing

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