Bangalore University 2008-5th Sem Diploma Mechanical Engineering Iester Manufacturing Technology for Stdte - Question Paper

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4.

(a)

Explain briefly gear shaping,

5

(b)

How they gears are made by powder metallurgy.

5

00

Explain gear hobbling,

SECTION - 111

5

5.

(a)

What is chemical milling ? How i( is done ?

6

(b)

Briefly describe the working principle of EDM process.

G

(c)

State the advantages of I!DM,

3

6.

(a)

Explain briefly working Fay Automatic.

5

(b)

(c)

Explain with a sketch working & pawl type transfer mechanism.

Outline the advantages and disadvantages of using transfer machine in

5

,

manufacturing.

5

7,

(a)

Explain closed loop system ia NC machine.

6

(b)

Explain contouring system in NC machine.

5

(c)

List the advantages of transfer machine.

SECTION - IV

4

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8.

(a)

What is blending of powder.

4

(b)

Bx plain secondary operations in powder metallurgy.

6

(c)'

Write a note on mounting the grinding wheel. -_F ¹

5

9.

State the purpose of material handling equipment.

S

(b)

Explain belt conveyor.

5

(c)

Explain hydraulic drive in a power press.

5

10.

(a)

State the advantage and disadvantages of L.B.M,

6

(b)

Explain with a neat sketch the working of eccentric drive mechanism in a press.

6

(c)

State the Limitations of USM.

3