B

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b) Explain with neat sketch straddle milling & form milling. (4)

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a) Explain the working of Simple indexing mechanism. (7) b) Classify different types

of milling machines. (3)

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PARTC
Answer any four full questions, each carries 10 marks.

a) A grinding wheel is specified as 250 x 30 x 35 WA40L4V18. Explain.

b) Differentiate between centerless grinding & cylindrical grinding.
a) Compare truing & dressing of a grinding wheel.

b) Distinguish between turret & Capstan lathe.

a) Explain the working of a semi-automatic lathe.

b) Discuss the advantages & disadvantages of lapping.

a) ‘Manufacturing is now a science’. Discuss.

b) Write about the R& D status of Digital manufacturing.

a) Illustrate with a neat diagram the concept of digital manufacturing.
b) List the features of Digital manufacturing.

a) Explain the architecture of a DM system.

b) Explain GRAI modelling method.

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