Kerala University 2009 B.Tech Automobile Engineering Fifth Semester , (2003 Scheme) Branch : Automobile 03-506 : MANUFACTURING TECHNOLOGY (U) - Question Paper

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Fifth Semester B.Tech. Degree Examination, June 2009 (2003 Scheme) Branch : Automobile 03-506 : MANUFACTURING TECHNOLOGY (U)

Time : 3 Hours    Max. Marks : 100

PART - A

Answer all questions from Part A:    (10*4=40 Marks)

1.    Mention the various parts of a lathe.

2.    List out the advantages and disadvantages of a Turret Lathe.

3.    What are the various operations you can perform in a drilling machine ?

4.    What are the advantages and disadvantages of a Jig boring machine over other boring machines ?

5.    Explain the difference between a shaper and a planner.

6.    Write short notes on an arbor used in a milling machine.

7.    How the shaping machines are classified ?

8.    What are the bonding materials used in a Grinding wheel manufacturing ?

9.    Why coding is necessary in a N.C. machine ? Explain.

10.    What are the concept of N.C. machines ?

PART - B

Answer any one question from each Module. All questions carry equal marks :

(20*3=60 Marks)

Module - I

11.    a) Explain the details of a twist drill geometry with necessary sketches.

b) What are the various operations that can be performed in a Capstan Lathe ? Explain.

P.T.O.

With a block diagram explain the principle and operation of a pneumatic drilling machine.

Write brief notes on :

1)    Wheel balancing

2)    Centreless grinder.

Module - II

Write a brief description of a Crank and slotted lever mechanism of a shaping machine.

What is the time required for taking a complete cut on plate 610 x 920 mm, if the cutting speed is 10 m/min ? The return time to cutting time is 1 : 4 and the feed is 3 min. The clearance at each end is 80 mm.

With a neat sketch describe the principle and operation of a T-slot milling in a milling machine.

With a neat sketch explain a grinding operation perform on a metal piece.

Module - III

Explain the main elements of a N.C. machine with a block diagram.

For what type of work the Broaching machine is used ? Explain with an explain.

Based on the control system, how the N.C. machines are classified ? Explain briefly.

1)    Give the applications of N.C. machines

2)    List the advantages and disadvantages of N.C. machines.

Attachment: kerala-university-2009-b-tech-automobile-engineering-39601-1.pdf

Earning:   Approval pending.