This document contains information about an examination for the sixth semester of a Bachelor of Engineering degree in Computer Engineering. It includes the course code, title (Integrated Manufacturing), maximum marks, duration, and parts of the exam. Part A includes questions on automation strategies, transfer mechanisms, automated flow line analysis, and line balancing. Part B includes questions on product design for assembly, parts delivery systems, automated guided vehicle systems, computer-aided design systems, material requirement planning, computer numerical control systems, robot configurations, and programming. The document provides context, guidelines, and potential exam questions for students to prepare.

1. USN 10ME61
Max. Marks:100
(08 Marks)
(04 Marks)
(08 Marks)
(12 Marks)
(20 Marks)
(06 Marks)
(06 Marks)
(08 Marks)
(06 Marks)
Sixth Semester B.E.
Com pute r
Time: 3 hrs.
I ntegrated Ma nufacturing
Define Automation. Explain the different types of automation.
Explain the following automation strategies :
i) Specialization of operator ii) Online Inspection. r
in automation.
b. Explain with neat sketches. the following transfer mechanisms :
i) Walking beam transfer bar system ii) Geneva mechanism.
::
Explain the following related to analysis of an automated flow lines :
a. Partial automation.
b. Lower bound approach.
c. Upper bound approach.
d. Effect of storage.
a. Explain,the following terms related to line balancing :
1a.
b.
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Note: Answer any FIVE full questions, selecting atleast TWO questions from each part.
PART - A
c. The parts produced in a certain batch has to be processed through an average of 6 machines.
There arc 20 new batches of parts launched each week. Other.data as follows :
i) Average operation time = 0.1 Hr ; ii) Avera$e'Setup time = 5 Hr ;
iii) Average non - operation time = 10 Hr ; iv) AVerage Batch size = 25 parts.
There are 18 work centers in the plant and the plant operates for an average of 70
production Hrlweek. Determine i) Manufacturing lead time ii) Plant capacity
iii) Production rate iv) Plant utilizatisru (08 Marks)
a. Explain Synchronous transfer method hnd Asynchronous transfer method of work transport
i) Total work context time ii) Assembly line balance iii) Line balancing.
b. ThP table below defines the precedence relationships and elements times for a new model :
i.-ry Construct the precedence diagram
li t'-'fi) If the Ideal time = I min
;r iii) Use Kilsridge and Westers method to assign the work station to each element and
i compute the balance delay and line efficiency. (14 Marks)
Work element I 2 3 4 5 6 7 8 9 10 11 t2
Te(min) 0.25 0.45 0.35 0.4 0.32 0.2 0.27 0.7 0.6 0.38 0.5 0.43
Preceded by t I 1 2 2,3 4 4 5 6,7 8 9,10,1 1
PART - B
5a.
b.
c.
List the principles used in product design for automated assembly.
With a neat sketch, explain elements of parts delivery system.
Define AGVS. List the advantages and applications of AGVS.

2. 6a.
b.
7a.
b.
8a.
b.
With a block diagram, explain variant CADD system.
What is Material requirement? Explain the structure of a MRP system.
Discuss the advantages and disadvantages of CNC systems.
Explain the fundamental steps involved in part programming for turning and milling.
10ME61
(10 Marks)
(10 Marks)
(10 Marks)
(1S Marks)
(12 Marks)
(0E Marks)
Explain the different configuration of robot, with neat sketches.
Explain the following terms related to robots :
i) End effectors ii) Programming methods.
*{c*{<{<

3. USN
Sixth Semester B.E. Degree Examinatio"HffEffiiiiy 2015
10ME62
Time: 3 hrs.
Design Machine Elements - ll
Max. Marks:100
Note: 7. Answer any FIVE full questions, selecting ,#;*
atleast TWO questions from each part _ fu*t
2. Use of machine design data handbook is permitted.
*,ffi
,
*- .%
g *ART_A ,rb.E f a. Determine the value of 't' in the cross section of a curved machine nedr&r shown in
S Fig. Ql(a), so that the nonnal stresses due to bending at extreme ryfl}* numerically
5 .q,ral. Also deterrnine the nomral stesses so induced at extreme {(dp'due to a bending
{ momentof 10 KN-m. _ :V (loMarks)
EI)
$i I f-1I* "::t^o.,
ff r!-----] I I
EE b. A.cast *.on cylqndricalpipe.of outside.tll#droo mm ana.qs199 diameter?0-0-T* g
E E subjected to an intemal fluid pressurergf 20 N/mm'zand extemal fluid pressure of 5 N/mm2.
E e ?:Tari' .gg:i'-'I-:-1rlil$9':',l'-lf rlh ''ddb
and outer *ry:::-k'Pl
subjected to an intemal fluid pressure
"ef
20 N/mm'and external fluid pressure of 5 N/mm2.
,;
€ i#?il*io",i"#i"1ffi,IJ'Tdffi;::,.::J[ffi:il[::ur.
a,.q uu]'i
(l,Marr<si
gi 2 a. Anyloncoreflatbelt200maqry)fidweighing20N/m,connectinga300mmdiameterpulley
E S io u soomm dilildrlrffiiiry ";;haft
spacing of 6 m, ransmir 55.2 kw ar a belt
g 3 speed of 25 urlsec i) cEl6[6te the belt length and the angles of wrap ii) compute the belt
; € tensions based on a cp.{Scient of friction 0.38. (10 Marks)
€ € b. Two shafts one mS€Yart are connected by a V - belt to transmit 90 kW at 1200 rpm of a
A
g driver pulley otl0Xri effective diameter. The driven pulley rotates at 400 rpm. The angle
E A of groove ist0Ynd the co-efficient of friction between the belt and the pulley rim is 0.25.
F t rni *"up,@Uelt section is 400 mm2 and the permissible stess is 2.1 Mi'a- Density of belt
3} materia{$i tOO kg/m3. Calculate the number of belts required and the length of the belt.
i E o' (loMarks)
EE s a. ;$|tfwaywagon weighting50 1o{andmovingwithaspeedofSkm/hrhastobestopped
i.E n)'fo.rr buffer springs in which the maximum compression allowed is 220 mn. Find the
g 3 ()rnumber of tums or coils in each spring of mean diameter 150mm. The diameter of spring
E € " I - wire is 25 mm. Take G = 84 GPa. Also find the shear stress. (10 Martrs)
H E
^aC$
I U. A multi leaf spring with camber is fitted to the chassis of an automobile over a span of 1.2 m
;.31q to absorb shocks due to a maximum load of 20 kN. The qpring material caa sustain a
d1' - maximum shess of 0.4 GPa. All the leaves of the spring were to receive the same stess. The
;a.t
;
- spring is required at least 2 full length leaves out of 8 leaves. The leaves are assembled with
L bolb over a span of 150 mm width at the middle. Desip the spring for a maximum
E deflection of 50 mm. (10 Mrrks)
$ I Design a bronze spur gear 81.4 MN{m2 and mild steel pinion tOt UNI# to transmit 5 KW
E at 1800 rpm. The velocity ratio is 3.5 : 1. Pressure angle is l4/2" . Not less than 15 teeth are
to be used on either gear. Determine the module and ftce width. Also suggest suitable
surfice hardness for the weaker member based on dynamic and wear considerations.
(20 Marks)

4. 10ME62
PART _ B
5 a. A pair of mitre gears have pitch diameter 280 mm and face width of 36 mm and run at
250 rpm. The teeth are of 14y2" involute and accurately cut and transmit 6 KW. Neglecting
friction angle, find the following : i) outside diameter of gears ii) resultant tooth load
tangent to pitch cone iii) radial load on the pinion iv) trust on the pinion. Assume low carbon
cast steel}.zYoCheattreated as the material forboth the gears. (12 Marks)
The following datarefer to a worm and worm gear drive that has to transmit 15 KW at ffiSqp
rpm of the worm. Centre distance :200 mm number of starts :4,ttansmission ratio,*&U"
pitch circle diameter of worm : 80 ffiffi, axial module : 8 mm tooth form : 20o#@# The
worm gear has an allowable bending stress of 55 MPa. The worm is made of
ground steel. Determine : i) the number of teeth on the worm gear ii) the
width of the worm gear based on the beam strength of the worm gear.
iii) face
6 a. In a multiple disc clutch the radial width of the friction material is .2 of maximum
radius. The co-efficientof friction is 0.25. The clutch is to transmitffiffi*ry at 3000 rpm. Its
maximum diameter is 250 mm and the axial force is limited to I Determine i) number
of driving and driven discs ii) mean unit pressure on each rface. Assume uniform
wear. dh * (10 Marks)
b. A differential band brake shown in Fig. Q6(b) operates & hrum diameter of 500 mm. The
b.
drum rotates at 300 rpm in counter clockwise dirffion and absorbs 36 KW, pt:0.25
determine : i) force F required to operate the brake ii)ffi{dth of band required for this brake if
thickness is 5 mm and allowable tensile stress- dffi&and material is 72 N/mm' iii; design the
lever if the maximum force is twice that of,gihffited force. Use C30 steel (ou : 540 MPa)
and FOS - 4 based on ultimate stress. And ahd depttr equal to thrice the width. (10 Marks)
YF
(08 Marks)
i) bearin sure ii) sommerfield number iii) affitude iv) minimum film thickness v) heat
vi) heat dissipated if the ambient temperature is 20-C vii) amount of artificial
necessary. (10 Marks)
a suitable aluminium alloy piston with two compression rings and one oil ring for a
etrol engine of following particulars :
Cylinder diameter
Peak gas pressure
Mean effective pressure
Average side thrust
Skirt bearing pressure
Bending sfress in piston crown
Crown temperafure difference
Heat dissipated through crown
Allowable radial pressure
Bending piston on rings
:0.10 m
:3.2 MPa
:0.8 MPa
:2400 N
:0.22 MPa
: 36 MPa
: 70oC.
: 157 kJ/m2s : 157 KWm2
:0.04 MPa
:90 MPa
Heat conductivity k : 160 Wm/"C
Assume any further data required for the design.
* * :1. {< ,N(
2 ofZ
a load 5 kN.
(20 Marks)

5. USN 10M863
Sixth Semester B.E. Degree Examination, June/July 2015
Heat and Mass Transfer
Time:3 hrs. Max. Marlg{Ud
Note: 7. Answer any FIVE full questions, sekcting (?1J
a atleast TWO questions lrom each part -
(,i.-
.E- Z. IJse o! heat tansler dau htnd book pernifr"d ^ '
$ PARr-A ^bE PART-
i, a. Statethelawsgovemingthreebasicmodesofheattransfer. *rP (06Merr*)
.
g b. A fumace has i compoiite wall constructed of a refractory mffi for tl" inside layer and
[3 an insulatine material on the outside. The total wall thiclneasitlYnnitea to 50 cms. The mean$i an insulating material on the outside. The total wall thicloqA}ltinitcd to 60 cms. The mean
-l= temperatue of the gases within the furnace is 850"C, tfQ!:iemal air temperature is 30oC
E a and the temperature of the interface of the two matqftls ff the fumace wall is 500"C. The
g Jl therrnal conductivities of refractory and insulatiilPmaterials are 2 and 0.2 WrrK
:E
+ respectively. The coefficients of heat transfer- lf{rpen the gases and refractory surface is
E * 200 Wmz-k and berween outside surfice and.(hdsphere is 40 Wm2-k. Find :
g E i) The required thickness of each material)
E E ii) The rate ofheat loss. -
t (0S lvtrrks)
E E c. A small electric heating applicatjpales 1.82 mm diameter wire with 0.71 mm think
: € insulation. K (insulation) = 0. U8}|ilm-K and h = 34.1 W#-k. Determine the critical
g A thickness of insulation for tfriq:)?ind change in heat tansfer rate if critical thickness was
E € used. Assume the tempera[D] difference between zurfrce of wire and sunounding air
$ E remain unchanged.
^@-
(06 Mr*s)
E E 2 a. Derive an .*or.r.,*1*i bmperature distribution for a short fin of uniform cross section
A I without insulatEL@vstarting from fundamental energy balance equation. (10 Merlc)
g * b. Detemrine thp ldount of heat transferred through an iron fin of thickness 5mr, height 50
B E mm and
-w.ir$$
100 cms. Also deterrnine the tempemture of the cente of the fin end of the
q I tip of ;Sassuming amospheric temperatJre of 28oC. Take K = 50 Wm - K,
E E *T.Sry,*
-
",
Base fin temperature = 108'c. (r0 Mr*s)
1*' lO$'ifrhYsicarsignincanceor:
€ E' .- Y ii) Fourier numbers. (04 Mrrrs)
g H ..aN-l b. A steel ball of 5 cm diameter at 450oC is suddenly placed in a conholled environment of
g-lCN l00oC. Considering the following data, find the time required for the ball to attain a
q+ , temperaturc of 150"C.
;" cn=450J/kg-K, k=35Wm-K, h=10Wm2-K, p=8000kg/m3. (06Marks)
p c. Along15cmdiametercylindricalshaftmadeofSS3l4(k=14.9Wm-lqp=7900ke/m)
E allowed to cool slowly in a chamber of l50oC with an average heat transfer coefficient of85
E wl-2 - K. Detennine :
g i) Temperature ofthe cente ofthe'shaft 25 minutes after the start ofcooling process.
ii) Surface temperature at that time
iii) Heat transfer/unit length of shaft during this time period.
1 nf )
(10 Marks)

6. i0ivIE63
4 a. Explain the significance of following non dimensional numbers :
i) Prandtl nurnber
ii) Grashoff number
iii) Nusselt number. (06 Marks)
b. A steam pipe 5 cm in diameter is lagged with insulating material of 2.5 cm thick. The
surface temperature is 80oC and emissivity of the insulating material surface is 0.93. Find
the total heat loss from 10 m length of pipe considering the heat loss by natural convectk%
and radiation. The temperature of the air surrounding the pipe is 20oC. Also find the offi
heat tansfer co-efficient. toq}{ffs)
c.Ahotp1atelmx0.5matl30oCiskeptvertica11yinstil1atrat2o"C.Find
i) heat transfer co-efficient ii) heat lost to surroundings. dryy#
Marks)
PART-B 4*
*
Pu.
-*d
5 a. For flow over flat plate, discuss concepts of velocity and thermaffihndary layer with
sketches. ffiY# (04 Marks)
b. Air at a free stream temperature T* and velocity U* flows orffiaYplate maintained at a
constant temperature T*. Dimensions of the flat plate is sfucp-* 25 cm. Compare the heat
transfer co-efficient when the flow direction is along 5g"6tr6ride and 25 cm side. Assume
laminar flow over entire plate. ^
*
k (06 Marks)
c' Hot air at atmospheric pressure and 80oC enters ,mk* long uninsulated square a".t oi
cross section 0.2mx0.2 mthatpasses through
k#i. of ahouse at arate at 0.15 m3ls. The
duct is observed to be nearly isothermal at fq#"Dbtermine the exit temperature of the air
and the rate of heat loss from the duct to theffispace. (10 Marks)
6 a. Derive an expression for LMTO for6cqufrter flow heat exchanger. State the assumptions
made. dr-"EM (10 Marks)
b. 8000 k/hr of air at l05oC i, .ffiy passing it through a counter flow heat exchanger.
Find the exittemperature offfiVater enters at 15oC and flows at arate of 7500 kg/trr. The
heat exchanger has heat trrp&:-ea equal to 20 m2 and the overall heat transfer co-efficient
corresponding to this uffif 45 Wim'-k.Take Cn of air: I kJikg- K and that of water
(Cp*) :4.18 kJlkg *S (to Marks)
tr7 a. With a neat di explain the typical boiling curve for water at I atm pressure. (08 Marks)
b. State and expfailrfick's law of diffrrsion. (04 Marks)
c. A tube offfim outside diameter and 1.5 m long is used for condensing steam at 40 KPa.
Calcul average heat transfer coeffrcient when the tube is : i) horizontal ii) vertical and
temperature is mentioned at 50oC. (08 Marks)
(02 Marks)briefly concept of black body with an example.a.
b,
8
iii) Wiens displacement law
iv) Lambert's cosine law. ^ (0g Marks)
c. Two parallel plates, each of 4 m2 area, are large compared to a gap of 5 mm separating them.
One plate has a temperature of 800 K and surface emissivity of 0.6, while the other has a
temperature of 300 K and a surface emissivity of 0.9. Find the net energy exchange by
radiation between them. If a polished metal sheet of surface emissivlty 0.1 on both sides is
now located centally between the two plates, what will be its steady state temperature? How
the heat tansfer would be altered? Neglect the convection and edge effects if any. Comment
*rf*:frt
2 of2
'frte anri expiaiii :
i) Planck's law
ii) Kirchoff s law
upon the significance ofthis exercise. (10 Marks)

7. USN
Time: 3 hrs.
10ME64
(06 Marks)
(06 Marks)
(08 Marks)
(06 Marks)
(06 Marks)
(08 Marks)
Sixth Semester B.E. Degree Examinatidfrt i'iiiet
:.u,fffu9/'
tidn;Cuhe/July 2015
Finite Element Methods
Note: l. Answer any Frw full questions, selecting
Max' Marks: l0'0
atleast TWO questions from each part. ,**,;*
,* '
2. Missing data, tf any, may be suitably assamed. , :,:
a.
b.
c.
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a. Write the stress - strain relationship for both plane stress and plane straff"pibbtems.
i =,'
b. Discuss the types of elements based on geometry. i,,t*.
r
c. Explain the various application fields of finite element method.'"i;i,.,1
a.
b.
Derive an expression for total potential energy of an etastic body subjected to body force,
traction force and point force. . _
., (0g Marks)
Using Raleigh's Ritz method, determine the displacement at mid point and stress in linear
one-dimensional rod as shown in Fig. Q2(b). Uso-lsecond degree polynomial approximation
for the displacement. ;i,i=,..,,,,,- (12 Marks)
Write an interp"l#;olynomial for linear, quadratic and cubic element.
Explain simffi,%mplex and multiplex elernents using element shapes.
Derive,*,qffie tunctions for a CST element.
Solveff nodal displacement and elemental stresses for the following Fig.Qa(a), shows a
t,.---li hte of uniformthickness of 1 mm, Young's modulus:200 GPa, weight density of the
fr*ila :76.6 x 10-6 N/mm3. In addition to its weight, it is subjected to a point load of 100 N
i%t its midpoint and model the plate with 2 bar elements. (10 Marks)
tll20m"r
t
Determure the nodal displa.cements, reacticrns anci
approach. Take E:210 GPa, Area :250 mm'.
Fig.Qa@)
stresses ftrr the fig. Qa(h) using Penalty
(10 Marks)
b.
Fig.Q2(b)
I
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t
:

8. 5a.
b.
c.
6a.
8a.
b.
10ME64
PART _ B
Distinguish between lower and higher order elements.
Explain the concept of ISO, sub and super parametric elements and their uses.
write a note on2 - point integration rule for 1D and 2D problems.
Derive an expression for stiffiress matrix of a truss element. (0E Mefu
For the pin-jointed configuration shown in Fig.Q6(b), formulate the stiffrress maffiHiro
determine nodal displacement and stress in each element. r''(1i{karks)
Fig.Q6{b)
.,",.i
7 a. Derive the Hermite shape function for a beaffiffment. (08 Marks)
b. For the beam and loading shown in I''-ig. .,Q7(b), cietermine the siopes at 2 and 3, vertical
deflestionatthemidpointsofthedls!.1,.i,, tedload. TakeE:200GPa, I:4 x 106mmo.
j, ",+ , (12 Marks)
IzK^l/fi
r, %e# Fig.e7(b)
'n 1 '-'
Discuss t'h#derivation of one dimensional heat transfer in thin fin.
Det b the temperature distribution through the composite wall, subjected to convection
hea..!,1!rhnsfer on the right side surface, with convective heat transfer co-efficient shown in
HJgQ8(b). The ambient temperature is - 5oC. Assume unit area. (12 Marks)
lLt
hr loo'
tr'/'{r/r c
Fig.Q8(b)
*(:l<*>f*
1 n€')
(08 Marks)
(06 Marks)
(06 Marks)
(08 Marks)
Fig.Q7(b)
hL-- 7s wlrn'c

9. ,rK$*.,; s/
{i,il
USN 10M865
2015
Mechatronics and Microprocessor
Time: 3 hrs. Max. Marks:100
Note: Answer any FIVE full questions, selecting atleast TWO questions from,,g,.ach part
PART - A
a. Define Mechatronics. Briefly explain the evolution of mechatronics. , (10 Marks)
b. What is a control system? Explain open loop and closed loop contro.[isystem with suitable
examples. (10 Marks)
How transducers are classified? ' (05 Marks)
Explain the following terminology : i) Accuracy ii) , Repeatability iii) Sensitivity
iu) Time constant v) Hysteresis. . . (10 Marks)
With aneat sketch, explain Hall effect sensor. (05 Marks)
a. Write a symbolic representation of Thyristor and explain its characteristics. (10 Marks)
b. With a neat sketch, explain the principle working of a permanent magnet stopper motor.
._,='.. .. _.
(lo Marks)
a. What is a Multiplexer? Explain wi@neat sketch, Two - channel multiplexer. (10 Marks)
b. What is Pulse modulation? Explain'the two types of modulation. (10 Marks)
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b.
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, I] PART_B
a. With the help of s and truth table, explain NOT, NAND, NOR and
'"'t'".t
',':'
b. Convert the following :
i) (654)rc = Xt ii) (11010.01101)2: Xr6 iii) (156.8F) rc:Xz iv)
XOR gates.
(10 Marks)
(10 Marks)
(2747)B: Xro.
(14 Marks)
(06 Marks)
(10 Marks)
instruction set
(10.Marks)
(10 Marks)
(10 Marks)
6a.
b.
Explaid'#ittr a block diagram, the architecture of lntel 8085A processor.
EnUm0iate the difference s betwe en microprocessor and microcontro ller.
a.' Explain the different types of addressing modes of Intel 8085 microprocessor.
,b. Explain the following : i) Accumulator ii) Memory address iii)
ir) Fetch cycle.
Explain in brief the following :
a. Functions ofvarious registers.
b. Register organtzation of Intel 4004 microprocessor.
*****

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USN l0ME665
Sixth Semester B.E. Degree Examination, June/July 2015
Non - Traditional Machining
Time: 3 hrs. Max. Marks:100,
Note: Answer any FIVE full questions, selecting atleast TWO questions from..go,ii ;or,
PART - A
1 a. List and explain the various factors to be considered for selection of madhining processes.
...
-. "',., (07 Marks)
b. Classify various non traditional machining process based in energy"sburCe used with'giving
suitable examples. (06 Marks)
c. Based on various parameters of rnachining, compare the conventional and non
conventions machining processes. (07 Marks)
a. Explain with graph the effect of various parameters on material removal rate (MRR) in
USM process. (10 Marks)
b. With neat sketch, explain the main elements of ultrasonic machining process. (10 Marks)
, '',. :
!'i::
a. Draw the schematic diagram of abrasive iet machining and explain working principle.
, (08 Marks)
b. List the applications of Abrasive jet m,achinirrg. (04 N{arks)
c. Mention the advantages and disadvantages of water jet machining. (08 Marks)
a.
b.
c.
a.
b
C'
Explain the cherristry of ECIVI process with diagram.
List the functions of electrolyte in ECM process.
Explain with diagram, working of electro chemical grinding (ECG).
,..
--';-."" PART - B
Explain the elefiedis of chemical *u.hi,ffi6Gr.
Explain with,ftorv chart the chemical blanking process.
Mention the'limitations of chemical machining process.
Explain with sketch, the mechanism of metal removal in electric
Explain the elementary relaxation circuit for EDM.
Explain the different methods of dielectric flushing in electric discharge machining.
(08 Nlarks)
(04 Marks)
(08 Marks)
(06 Marks)
(10'Marks)
(04 Marks)
discharge machining.
(07 Marks)
(07 Marks)
(06 Marks)
a. Explain with diagram the working of plasma arc machining. (10 Marks)
b. What are the factors that govem the performance of plasma arc machining? Explain anyone
of them. (06 Marks)
c. Write the applications of plasma arc machining. (04 Marks)
a. Explain with sketch, the working of electron beam machining (EBM). (10 Marks)
b. What are the Applications of EBM?' (04 Marks)
c. What are the advantages and applications of laser beam machining (LBM)? (06 Marks)
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