(Pages:2)

8245

2014 B.TECII. DEGREE E)(AIVIINATION' NTOVEMBER

Eighth 'Semester Branch : Mechanical Engineering

M8010803_PRoDUCTI0NENGINEERING(ME) (New Scheme-2010 Admissions-Supplementary) :

Three

Hours

'

[![aiimum:

100 Marks

Part A Answer all questions' Each questi'on carrics 3 marks'

t.

12.

Sbate Schmid's law.

Write short note on CBN tools' Write disadvantages of P/[W technique'

'3. '4.

List out the properties of eeramics materials

Writeshortnoteonlaserwelding''::'i!:ii'rr'i'

j5.

I

(5x3=15marks)

PartB

'

Answer allquestinrus' Erch qut^stbn @rri* 5 na*s'

6.Nameandbrieflydiscusstheprincipalelementsofmetalmdinlne;

7.

Write short note on economic of machining'

S.WhatistheadvantageoffinepoweroYerooarselDwerinP/M?

9. What do You mean bY fibre reinforr:ed comPosites

?

'

10. Write short note on water jet machining' --L'

(5x5=25marks)

Answer sll questionsEa& futl qrtcsti'on carries t2 marhs'

11: Explain

Also state its assumptions' merchant,s cirele and its analysis.

Or

Turn over

2

F 3245F

"

:I;,'r? f"fi*::l:H-J'methods

13'

Explain in delail toor wear mechanism

14'

Explain thermal aspects of machining. Explain factors affecting the cr-ltting temperature. Disc,sr the various methods of measuring temperature at the cutting zone.

15. Explain in deiail

ormetal machining. Discuss the various types orchir.

,"::r"

toor wear criterion.

mechanism of sintering in p/lVI.

3271

r-a*"a

(6+6=12marks) (6+6=12marks)

(4+4+4-l2rnarks)

Or Explain various steps in power metallurgy process. 77. Discuss various ceramic structures and its properties. 16.

Or 18.

Explain:

(a)

G) 19.

Metal-matrix composites (MMC). Ceranic-'natrix composites (CMC).

(6+6=12

With a neat sketch, explain the working of USM. Give the advantage, disadvantage and application of USM.

1.n 2. I 3. I 4. I

5. I

(6+2+2+2=!2 ''20. With

Or

a neat sketch, explain the working of LBM. Give the advantage, disadvantage application of LBM. l and

/':67-

(6+2+2+2=12 [5x12=80

8-

9-, 10-

ri'.

G 1006

(Pages:2)

Beg. No... Name.:.-..---"

B.TECII. DEGREE EXAIIIINATION, MAY Eighth Semester

2OT4

Branch : Mechanical Engineering ME O1O 8o3-PRODUCTION ENGINEERING (ME) (New Scheme-2010 Admissions-Regular) Time : Three Hours

Maximum: 100 Marks

part A

Ea'#;::il;\::';:"-r";;,u, 1.

Distinguish between orthogonal and oblique cutting. Mention three important properties of tool materials.

2. 3. Write short note on iurpact compacting. 4. Write the application of ceramic materials. 5. Write short uote on LIGA process.

(SxB=15marks)

Part B Answer all qucstions.

i rnarks. Explain the various elements of single point cutting tool, with help of a neat sketch. Define machinability. How can it be measured? l Explain. ch question ca,nics

6' 7' 8.

9'

Explain the characteristics of metal powers in p/I\{. What are fibre -reinforced materials ? List the advantages

10. Explain IBM.

of composite materials.

(5x5=?bmarks)

'

Part C Answer all questions. Each questian cairics !2 marks.

11. (a)

Discuss mechanism of chip formation.

(b) Name two system of tool designation (e)

Why a negative rake angle is normally employed for cutting hard and strong materials

?

(6+3+B=l2rnarks)

Or Turn over

G rm6

2

12. In an orthogonal cutting operation, the following data have been observed.

Uncut chip thickness

(t)

= 0.127mm

Width of cut (b) = 6.35 mm Cutting speed (V) = 2mls Rake angle (cr) =10"

il

Cutting force (F.) = 567N Thrust force (F,) = 227N Chip Thickness (t.) = 0.228mm Determine : Shear angle, the friction angle, shear stress along the shear plane and the power for the cutting operation.

(4x3=l2marks) 13.

Define Tool life. Explain in.detail different factors influence the tool life.

Or

14. Explain the function

of cutting fluid in machining. Describe the classification and application of

(4+8=12marks) 15.

Explain in detail production of metal powers in P/I\{.

Ltr

(4+8=12marks)

2-f 3-t

(12 marks)

-,Or 16.

Explain the foliowing power compaction process.

(a)

HIP.

(b) CIP. (6+6=12marks)

&.

7.

L7.

Discuss various ceramic structures and its properties.

(12 marks)

Or 18.

8. 9.

Explain the different type of composite materials. Explain pultrusion process.

10.

(8+4 =I"2marks) 19.

uil

With a neat sketch explain the working of EDM. Give the advantage, disadvantage and product application of EDM.

(6+2+2+2=l2marks) Or 20. With a neat sketch explain the working of ECM. Give the advantage, disadvantage and product application of ECM.

(6+2+2+2=12marks) tf x L2 = 60 markd

I1.

Expl