8/10/2019 mme-507(1)

1/2

Roll

No.

.........,,.....,....

Total

No.

of

Questions

08]

['Ibtal

No. of

pages

:

02

M,Tech

(ME)

(Sem.

-

L't)

ADVANCED

MANUFA

C

TURING

PRO

CES

SES

SLIFJECT

ODE

MMtr

-

sA7

Paper D

:

[80421]

Tirne

: 03 Hours

Maximum

Marks

:

100

fnstruction

to

Candidates:

1)

Atternpt

any

ive questions.

2)

All

the questions

affy

equal

marks.

Ql)

a) What

changes

n manufacturingetups avebeenwitnessedn thecurrent

scenario

f rapid

changes

n product

design,

smaller

batch

sizesand

advert

of

infcrmation

Technology?

Give

an example

o

sr-rpport

oLlr

answer.

b) Comment

upon

the

signiflcauce

of irnportant

properties

elatecl

o

rnanufacturing

rocesses

ith particular

egard

o

the

ollowing

t)

Manufacture

of

complex

castings.

ii)

Production

of machine

ool

Gears.

Q2) a) Pointingout the limitationsof conventionalmachiningprocessesrace

the

evolution

of

advanced

non-conventional

nanufacturing

echniques.

b) List

the

actors

which

nfluence

he

accuracy

f work

n

EDM

and

derive

an

expression

or

the

material

ernoval

ate

MRR)

in

a relaxation

ircuit

EDh'I

process.

tate

he

condition

or maximum

power.

Q3)

a)

Discuss

he principle

process

arameters,

apabilities

and

merits

dernerits

of

1) Irrictionwelding.

ii)

Explosion

welding.

b)

What

is

Adhesive

Bonciing?

Where

do we

use

such

a process,

ive

at

least

wo

examples?

R-1499

P,',r.o.

8/10/2019 mme-507(1)

2/2

Q4)

a)

b)

Explain

he-principle,

process

arameters

nd

mechanism

f

rnateriai

"

emoval

n

Electrochemical

Machining.

A

hole

2'5

cm

in

diameter

nd

10cm

deep

s

to

be

made

n

a

component

made

of

Tungsten

y

EcM

process

he

ollowing

data

may

be

assumed

Current

Density

=

200amp/cm2

Atomic

weight

Tungsten

l

g6

Density

of

Tungsten

19.4

g/cm3

Valency

at

which

dissolution

akes

place

=

2

calculate

i)

The

material

emoval

ate.

ii)

The

rime

ro

make

rhe

hole.

Thke

the

value

of

Faraday

constant

F

=

96500

coulomb

what

are

high

energy

ate

orming

processes

IJERF)?

what

has

eed

o

the

evolution

of

such

processes.

Discussheprinciples, rocess arametersnd heoretical

onsiderations

for

electro

Hydraulic

Forming.

Explain

the

basics

of

shell

mould

casting

or

rvhat

ype

of products

s

ihis

method

suitable?

tate

rre rocess

imitations.

Name

various

casting

echniques

sed

n production

f

Aluminiurn

Ailoy

components

an

we

use

centrifugal

casting

or

this

pu{pose?

Discuss

why

or

why

not.

Qs)

a)

b)

Q6)

a)

b)

Q7) Discuss he scopeof following manufacturing rocesses,iving at least

wo

examples

producecl

y

each

of

these.

a)

Laser

beam

machining

b)

I3xplosive

orrniiig

c)

Vacuum

asting

Q8)

write

compreirensive

otes

any

hree

of

the

oilowing

a)

Under

water

welding

b) Need or hybrid machining rocess

c)

Residual

tresses

nd

heir

emovai.

d)

Concepr

f

Rapid

solidification.

rx

')

-

1499