Anna University Chennai Previous Years Question Papers Collection for Part Time BE 02nd Semester Manufacturing Engineering
B.E. / B.Tech. (Part Time) DEGREE END SEMESTER EXAMINATION, APRIL / MAY 2014
Second Semester
Manufacturing Engineering
PTMF 131 MACHINE TOOLS AND PROCESSES /
PTMN 284 MANUFACTURING PROCESSES - II /
PTMF 9201 MANUFACTURING PROCESSES -1
Time: 3 Hours Maximum: 100 Marks
Answer ALL questions
PART A - (10 X 2 = 20 marks)
1. Define tool signature.
2. State any four functions of cutting fluid.
3. Distinguish between drilling and reaming.
4. Differentiate between shaper and planer.
5. State any four operation parameters of a grinding process.
6. What is meant by honing?.
7. Differentiate between gear forming and generating.
8. Why gear finishing is required?
9. What are the alignment tests that are necessary for lathes?
10. What are the adverse effects of vibration and chatter in machining?
PART B-(5X16=80 Marks)
11 i) Describe with neat sketch swiss type automatic screw machine. (8)
ii) Discuss the types of transfer machines. (8)
12 a i) Explain merchant's force circle. Mention the assumptions made. (8)
ii) In an orthogonal cutting test with a tool of rake angle 10°, the following observations were made:
Chip thickness ratio : 0.3
Horizontal component of the cutting force = 1290 N
Vertical component of the cutting force = 1650 N
From Merchant's theory, calculate the various components of the cutting forces and the coefficient of friction at then chip tool interface. (8)
(Or)
12 b i) Enumerate with neat sketch, measurement of cutting temperature using work- tool thermocouple method. (8)
ii) Discuss various mechanisms of tool wear. (8)
13 a i) List out various operations performed on lathe. Explain any four. (10)
ii) Describe with block diagram jig boring machine. (6)
(Or)
13 b i) Explain with sketch quick return mechanism used in shaper. (8)
ii) Sketch a broach. Write its main parts and their functions. (8)
14 a i) Describe with net sketches various types of centreless grinding operations. (8)
ii) Discuss various types of abrasive materials used in grinding wheel. (8)
(Or)
14 b) Write short notes on
i) economics of grinding (6)
ii) lapping (5)
iii) burnishing (5)
15 a i) Explain with net sketch kinematics of gear shaping machine. (8)
ii) Enumerate the process of gear hobbing. (8)
(Or)
15 b i) Describe with neat sketch, straight bevel gear cutting method. (8)
ii) Discuss gear lapping method. (8)
B.E. / B.Tech. (Part Time) DEGREE END SEMESTER EXAMINATION, APRIL / MAY 2014
Second Semester
Manufacturing Engineering
PTMF 131 MACHINE TOOLS AND PROCESSES /
PTMN 284 MANUFACTURING PROCESSES - II /
PTMF 9201 MANUFACTURING PROCESSES -1
Time: 3 Hours Maximum: 100 Marks
Answer ALL questions
PART A - (10 X 2 = 20 marks)
1. Define tool signature.
2. State any four functions of cutting fluid.
3. Distinguish between drilling and reaming.
4. Differentiate between shaper and planer.
5. State any four operation parameters of a grinding process.
6. What is meant by honing?.
7. Differentiate between gear forming and generating.
8. Why gear finishing is required?
9. What are the alignment tests that are necessary for lathes?
10. What are the adverse effects of vibration and chatter in machining?
PART B-(5X16=80 Marks)
11 i) Describe with neat sketch swiss type automatic screw machine. (8)
ii) Discuss the types of transfer machines. (8)
12 a i) Explain merchant's force circle. Mention the assumptions made. (8)
ii) In an orthogonal cutting test with a tool of rake angle 10°, the following observations were made:
Chip thickness ratio : 0.3
Horizontal component of the cutting force = 1290 N
Vertical component of the cutting force = 1650 N
From Merchant's theory, calculate the various components of the cutting forces and the coefficient of friction at then chip tool interface. (8)
(Or)
12 b i) Enumerate with neat sketch, measurement of cutting temperature using work- tool thermocouple method. (8)
ii) Discuss various mechanisms of tool wear. (8)
13 a i) List out various operations performed on lathe. Explain any four. (10)
ii) Describe with block diagram jig boring machine. (6)
(Or)
13 b i) Explain with sketch quick return mechanism used in shaper. (8)
ii) Sketch a broach. Write its main parts and their functions. (8)
14 a i) Describe with net sketches various types of centreless grinding operations. (8)
ii) Discuss various types of abrasive materials used in grinding wheel. (8)
(Or)
14 b) Write short notes on
i) economics of grinding (6)
ii) lapping (5)
iii) burnishing (5)
15 a i) Explain with net sketch kinematics of gear shaping machine. (8)
ii) Enumerate the process of gear hobbing. (8)
(Or)
15 b i) Describe with neat sketch, straight bevel gear cutting method. (8)
ii) Discuss gear lapping method. (8)
0 comments:
Pen down your valuable important comments below