Table Of Contentइंटरनेट मानक
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“जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ”
Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru
“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS 10881 (1994): Automotive Vehicles - Mopeds, Scooters and
Motorcycles - Method of Evaluation of Fuel Consumption [TED
4: Automotive Braking Systems]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee””
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”
Indian Standard
AUTOMOTIVE VEHICLES-MOPEDS,
SCOOTERSAND MOTORCYCLES-
METHODOFEVALUATIONOFFUEL
CONSUMPTION
( First Revision )
UDC 629.118.6/68 : 621*43*018-3
Q BIS 1994
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADrjR SHAH ZAFAR MARG
NEW DELHI 110002
February 1994 Price Group 3
evitomotuA selciheV gnitseT and ecnamrofreP noitaulavE lanoitceS ,eettimmoC DET 8
FOREWORD
sihT naidnI dradnatS was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dezilanif yb eht
evitomotuA selciheV gnitseT and ecnamrofreP noitaulavE lanoitceS eettimmoC had neeb devorppa yb
eht tropsnarT gnireenignE noisiviD .licnuoC
sihT standard yllanigiro dehsilbup ni 1986 is gnieb desiver ni enil htiw 0SI 7860 : 1983 daoR‘ selcihev -
selcycrotoM - dohteM fo gnirusaem leuf .’noitpmusnoc ,rehtruF eht seirossecca gnivah tcapmi no
leuf noitpmusnoc evah neeb .deifitnedi
ehT noitisopmoc fo eht eettimmoC elbisnopser rof eht noitaraperp fo this standard is nevig ni
xennA C.
nI gmtroper eht stluser fo a tset ro sisylana edam ni ecnadrocca htiw this standard, fi eht
final value,
devresbo ro ,detaluclac is ot eb dednuor ,ffo ti shall eb enod ni ecnadrocca htiw SI 2 : 1960 seluR‘ for
gnidnuor ffo laciremun seulav (
revised )‘.
IS 10881 : 1994
Indian Standard
AUTOMOTIVEVEHICLES-MOPEDS,
SCOOTERSANDMOTORCYCLES-
METHODOFEVALUATIONOFFUEL
CONSUMPTION
( First Revision )
4.3 ehT stnemtsujda of leuf ,metsys noitingi
1 SCOPE
,metsys grade, ytilauq of stnacirbul for suoirav
sihT dradnats seificeps the dohtem of test for gnivom parts, stnemtsujda of ,ekarb ,hctulc
gnissessa the leuf noitpmusnoc at tnatsnoc speed gnildi speed, etc, llahs mrofnoc ot the -unam
no a test track dna si elbacilppa ot Scooters, s’rerutcaf .noitadnemmocer
selcycrotoM dna Mopeds.
4.4 ehT seryt llahs eb nur ni at the emas emit
2 REFERENCES as the elcihev or llahs evah a tread depth ton
ehT gniwollof naidnI sdradnatS are yrassecen ssel naht 90 tnecrep of the tread depth of a wen
stcnujda ot siht :dradnatS eryt dna llahs evah operated for at tsael
500 mk or the ecnatsid dednemmocer for the
IS No. Title ni-gninnur of the ,elcihev revehcihw si ,rewol no
the road roirp ot the test.
1448 seires Methods of test for -ortep
muel dna sti stcudorp
4.5 ehT eryt erusserp llahs eb detsujda ot the
1460 : 1974 leseiD sleuf ( second revision ) eulav deificeps yb the ,rerutcafunam nehw dloc
2796 : 1971 Motor enilosag ($rst revision) dna llahs ton exceed the mumixam eulav -iceps
9726 : 1984 smreT dna snoitinifed of deif ni the tnaveler naidnI dradnatS for that ezis
sthgiew of sdepom of .eryt
:22411 1985 smreT dna snoitinifed of
4.6 llA leuf gnihcirne secived other naht those
sthgiew of scooters dna
deriuqer for the lamron gninoitcnuf of the
selcycrotom
elcihev llahs eb edam .evitareponi
3 FEATURES OF TEST TRACK
4.7 ehT elcihev llahs eb decivres erofeb the test
3.1 ehT‘ test track llahs eb a thgiarts level devap as per the erudecorp dednemmocer yb the
road, derevoc htiw ,tlahpsa etercnoc or ralimis .rerutcafunam
,lairetam ,yrd naelc dna htooms dna llahs evah
tneiciffus htgnel no rehtie edis for the elcihev ot 4.8 Before the test, the elcihev gnidulcni lla sti
niatta dna esilibats the test speed dna gnippots parts, stnenopmoc dna smetsys llahs evah
the elcihev at the dne of the test. reached a elbats erutarepmet lamron ot the
elcihev .noitarepo latoT ecnatsid of siht nur
3.2 ehT lanidutignol dna laretal epols of the
,llahs ,revewoh eb ton ssel naht 15 mk dna llahs
test track llahs ton eb erom naht 0.5% dna 2%
eb deirrac tuo at a speed yrev esolc ot the test
.ylevitcepser ,oslA the edutitla ecnereffid -teb
speed.
neew yna two stniop 1 000 ertem apart llahs
ton eb erom naht eno .ertem
4.9 Accessories
3.3 ehT test track llahs evah elbatius gnikram
ot elbane the redir ot evird the elcihev gnola a 4.9.1 llA power gnimusnoc seirossecca dna
thgiarts .enil ,stnempiuqe hcus as gnithgil dna gnitanimulli
,secived record ,reyalp etc, llahs eb dehctiws
4 PREPARATION OF THE VEHICLE
Off.
4.1 ehT elcihev llahs mrofnoc ni lla sti parts,
4.9.2 nI case, for snosaer of ytefas gnirud test,
stnenopmoc dna smetsys ot the lacinhcet -iceps
yna of the gnithgil dna gnitanimulli secived are
noitacif deralced yb the .rerutcafunam
ot eb kept ,evitarepo a separate power ecruos
4.2 ehT elcihev llahs eb ni-nur as per the -carp llahs eb ,desu hcihw does ton esopmi na extra
ecit dednemmocer yb the .rerutcafunam daol no the .enigne
1
1s 10881: 1994
5 AMBIENT CONDITIONS 6.5 ehT ,stnemurtsni the gnitset lennosrep dna
other stnempiuqe yrassecen ot eb deirrac no the
5.1 dradnatS ecnerefer snoitidnoc llahs ebA as test elcihev at the emit of test llahs mrof part
:swollof of yap daol dna llahs eb recorded ni the
the
a) erutarepmeT : 300 K ( C°72 ) test report.
)b erusserP : 100 kPa 7 INSTRUMENTATION
c) riA ytisned : 1.168 sm/sk 7.1 General
5.2 ehT tneibma snoitidnoc at the test etis llahs tnemtiF dna noitarepo of lla stnemurtsni llahs
eb as :swollof eb hcus as ton ot repmah the ytilibisiv or -eerf
a) erutarepmeT : 288 ot 308 K ( 15 ot C°53 ;) mod of the revird ot evah proper lortnoc of the
elcihev at lla .semit nI ,noitidda hcus tnemtif
b) evitaleR ytidimuh : Not erom naht llahs ton yludnu tcejorp tuo of the elcihev -orp
75 ;tnecrep elif gnitceffa the ria drag or .ytefas
c>
riA ytisned nehw detaluclac as debircsed 7.2 Fuel
woleb llahs ton reffid yb erom naht 7.5%
ehT leuf desu for gnitset llahs ,mrofnoc sselnu‘
morf the ria ytisned rednu the ecnerefer
esiwrehto stated ni xennA A or xennA B as
:snoitidnoc
.elbacilppa
d = do x tP x ,T
t NOTES
Po x Tt
1 ,yltneserP lortep ( rotoM enilosag ) gnimrofnoc ot
where SI 2796 : 1971 dna leseid leuf gnimrofnoc ot SI 1460 :
dt = ria ytisned at test etis expressed 1974 era yllaicremmoc .elbaliava fI eseht era desu
rof gnitset ,sesoprup rieht cificeps ytivarg llahs eb
ni ,am/gk .dedrocer
d, = ria ytisned at ecnerefer -idnoc 2 fI eht elcihev leuf si gnihtyna rehto naht lortep
,snoit ro ,leseid eht leuf desu dna sti seitreporp llahs eb
dedrocer in eht test report.
Pt = cirehpsomta erusserp at test
etis ni kPa, 7.3 elbatiuS stnemurtsni ot erusaem the -wollof
gni llahs eb :desu
P, = cirehpsomta erusserp at -efer
ecner ,noitidnoc a) tneibmA ,erusserp
Tt = tneibma erutarepmet at test )b tneibmA ,erutarepmet
etis ,K dna
c) evitaleR ,ytidimuh dna
tneibma erutarepmet at -efer
To =
ecner noitidnoc d) dniW .yticolev
d) ehT dniw yticolev ni yna noitcerid llahs 7.4 Fuel Measuring System
ton exceed 3 .tes/m ehT tnemerusaem of ehT leuf gnirusaem tnemurtsni llahs eb -itapmoc
dniw yticolev llahs eb enod at a thgieh elb htiw elcihev leuf .metsys
of 1 ot 5-l m evoba road .ecafrus
7.4.1. ehT leuf gnirusaem tnemurtsni llahs eb
6 WEIGHTS elbitapmoc htiw elcihev leuf .metsys ehT -urtsni
6.1 ehT nedalnu thgiew llahs eb the brek thgiew tnem desu llahs eb a retemwolf gnikrow no the
elpicnirp of evitisop tnemecalpsid gnisu enav
as per SI 9726 : 1984 dna 1s 11422 : 1985 as
gears or laixa notsip epyt for gnisnes the .wolf
.elbacilppa
7.4.2 ehT tnemtif dna noitarepo of leuf -rusaem
6.2 Loading
gni metsys llahs eb hcus that lamron wolf of the
ehT elcihev llahs eb dedaol ot a gross thgiew leuf ot the enigne si ton .derepmah ehT leuf
deriuqer for that ralucitrap test dna llahs eb knat llahs eb ylbatius detnev ot the .erehpsomta
recorded ni the test report. ehT noitubirtsid of
nI the case of ytivarg fed lortep enigne ,elcihev
daol tsgnoma selxa llahs eb as per -nemmocer
the erusserp head at the rotterubrac telni llahs
snoitad of the .srerutcafunam
ton eb erom naht the head gnidnopserroc ot the
6.3 ehT redir llahs evah a ssam of 68 ot 75 kg. noitidnoc of the elcihev nehw the leuf knat si
dellif ot 90 tnecrep ;yticapac dna osla siht llahs
6.4 ehT test redir llahs evah a thgieh of 1.65 ot
ton eb ssel naht that gnidnopserroc ot the raen
1.75 m dna llahs eb gniraew proper gnidir
ytpme noitidnoc of the leuf knat ot the tnetxe
gear. He llahs eb seated thgirpu htiw sih feet .elbissop
no the footrest or sladep dna mra yllamron
.dednetxe ,sselehtreveN siht noitisop llahs wolla 7.4.3 nI the case of the elcihev htiw leuf nruter
mih ot evah proper lortnoc of the .elcihev wolf ,metsys the nruter wolf llahs eb delooc fi
2
IS 10881 : 1994
yrassecen dna processed so that, sti erutarepmet selciheV dettif htiw evirdrevo snoissimsnart
si yrev esolc ot the erutarepmet of the gnimocni where evirdrevo timil segagne ,yllacitamotua
leuf dna si free of deppartne ria or ruopav llahs eb nevird htiw the gnitautca hctiws ni a
.selbbub noitisop hcihw serusne tnemegagne nehw -idnoc
snoit of noitarepo are reached.
7.5 Distance
selciheV htiw citamotua snoissimsnart llahs eb
7.5.1 ehT test yam eb detcudnoc yb the -aem nevird ni the evird .egnar
stnemerus gnieb nekat neewteb two dexif stniop
no the test track. 8.3 gniruD the test nur the speed llahs eb -niam
deniat htiw & 1 h/mk of the naem speed yb
7.5.2 ehT test yam eb detcudnoc yb gnirusaem gniniatniam the rotarelecca lortnoc noitisop as
the lautca ecnatsid dellevart yb elcihev gnirud tnatsnoc as .elbissop ynA tnemevom of the
the test nur yb gnisu stnemurtsni hcus as htfif rotarelecca lortnoc deriuqer ot dloh the speed
,leehw sseltcatnoc ecnatsid gnirusaem ,smetsys tnatsnoc llahs eb htooms dna .laudarg
etc.
8.4 ehT gniwollof llahs eb :dedrocer
7.6 Speed
4 emuloV of leuf ,demusnoc lm -- Q
erehT llahs eb a elbatius speed gnitacidni ecived
b) ecnatsiD ,dellevart m - s
ot elbane the revird ot ’niatniam the speed
c>
nihtiw the detalupits .timil emiT nekat ot revoc the test
,ecnatsid s - t
7.7 Time )d leuF ,erutarepmet K - iT
tI llahs eb elbissop ot erusaem the emit nekat
)e tneibmA erutarepmet - yrD
for the elcihev ot revoc the gnirusaem stretch.
,blub K - Tm
7.8 Fuel Temperature f) tneibmA erutarepmet -- teW
,blub K - BUT
leuF erutarepmet llahs eb derusaem at a tniop
as esolc ot the cirtemulov tnemerusaem of the g) tneibmA ,erusserp kPa - tP
leuf as .elbissop h) dniW yticolev - s/m
7.9 Sensitivity )j evitaleR ytidimuh - %
ehT noitarepo of the stnemurtsni gnirusaem the ehT test llahs eb detcudnoc revo a ecnatsid of
,ecnatsid emit dna the leuf ytitnauq llahs eb ton ssel naht 1 000 .m owT evitucesnoc test
desinorhcnys nihtiw 2-O sec. snur ni the etisoppo snoitcerid llahs etutitsnoc
a pass.
7.10 Accuracy and Least Count
8.5 ehT test llahs eb detcudnoc tneiciffus -mun
ehT seicarucca dna tsael stnuoc of the -urtsni reb of semit hcus that the sgnidaer for at
stnem desu llahs eb as :rednu tsael 5 passes ( eno pass gnisirpmoc of -esnoc
Least Count Error Not evituc sgnidaer ni the etisoppo snoitcerid ),
Not More Than More Than whose noitairav of CQ/S for that pass ni ton
erom naht f 2.5 tnecrep of naem dna the
a) leuF -usaem 1-O lm f fo%I egareva speed ton gniyrav yb erom naht.
tnemer the -rusaem f I h/mk morf the deificeps speeds nac eb
ed eulav
.detceles esehT sgnidaer llahs eb detceles hcus
)b ecnatsiD ml m2+ that the noitairav of CQ/S si the .muminim
c) emiT 1-O set f 0.2 set 8.6 Calculation
d) leuF -repmet 1 K K2tz
eruta 8.6.1 ehT ytitnauq Q, of leuf demusnoc per pass
llahs eb detaluclac morf the gniwollof -noitaler
e) tneibmA K1 f K2 :pihs
erutarepmet
f) cirehpsomtA 1 gHfomm + 1 mm Q
erusserp or -iuqe of Hg or cQ = 1 + 0.001 _jYEXT(
tnelav tnelaviuqe where Tf si the leuf erutarepmet for that
pass.
8 TEST
8.6.2 ehT leuf noitpmusnoc llahs eb detaluclac
8.1 The elcihev llahs eb tested at the tnatsnoc
ni ertil/mk morf the :alumrof
speed/speeds deriuqer for the test.
sxc
8.2 ehT elcihev llahs eb nur ni top gear or ni leuF ,noitpmusnoc l/mk = -_.-.--
the gear as dednemmocer yb the .rerutcafunam QO
3
SI 10881: 1994
where where V - emulov of gnitacirbul
-S latot ecnatsid derevoc ni 5 passes, lio ni lm dexim ot eno
ertil of .leuf
Qc - latot leuf lio erutxim of -irbul
gnitac lio si dexim-e-ip or leuf
demusnoc ni 5 passes corrected ot 8.6.3 ehT egareva speed llahs eb detaluclac as:
the ecnerefer ,erutarepmet dna
C = noitcerroc factor for gnixim of s
gnitacirbul lio ni the leuf lauqe :ot V = 3.6 x r h/mk
._‘_t-l
1 000 where t = latot emit nekat for 5 passes.
ANNEX A
( esualC 2.7 )
NOITACIFICEPS FO ECNEREFER LORTEP
ehT ecnerefer leuf ( lortep ) llahs teem the gniwollof :stnemeriuqer
Characteristics Limits Method of Test ( Ref
to Indian Standards )
1. Research enatco rebmun O-78 Min 1448 ( Part 26 ) : 1960
2. cificepS ytivarg at 288 K 57-o-37:0 1448 ( Part 16 ) : 1990
3. dieR ruopav ,erusserp ”mc/gk 56.0-54.0 1448 ( Part 39 ) : 1967
4. noitallitsiD ,erutarepmet K
laitinI gniliob tniop 813-892 K
10 tnecrep yrevocer 323-343 K
50 tnecrep yrevocer 873-853 K
90 tnecrep yrevocer 334-393 K
laniF gniliob tniop 473 XUM
,eudiseR tnecrep lov 2 Max
nobracordyH ,sisylana tnecrep lov
5.
snifelO 20 Max 1448 ( Part 23 ) : 1991
scitamorA 45 Max
setarutaS ecnalaB
6. noitadixO ,ytilibats nim 480 Min 1448 ( Part 28 ) : 1985
7. tnatsixE ,mug OOl/gm lm O-4 Max 1448 ( Part 29 ) : 1982
8. ruhpluS ,tnetnoc tnecrep ssam 01-O Max 1448 ( Part 34 ) : 1979
9. Lead ,tnetnoc l/g 0.40 Max 1448 ( Part 38 ) : 1982
or
1448 ( Part 82 ) : 1974
4
SI 4991:18801
ANNEX B
( Clause 7.2 )
SPECIFICATION OF REFERENCE DIESEL
ehT ecnerefer leuf ( leseid ) shall teem eht gniwollof :stnemeriuqer
Characteristics Limits Method of Test ( Bef
to Indian Standards )
.1 cificepS ytivarg at 288 K 0*835-0,850 1448 ( traP 32 ) : 1972
ro-
1448 traP( 16 ) : 1990
2. enateC rebmun ro enatec xedni 45 Mtn 1448 ( traP 9 ) : 1960
3. ,noitallitsiD K
50 tnecrep lov yrevocer 518 Min 1448 ( traP 18 ) : 1991
90 tnecrep lov yrevocer
583-613
laniF gniliob tniop
643 Max
4. citameniK ytisocsiv tSc at 313 K 2.5-4.0 1448 ( traP 25 ) : 1976
5. ruhpluS ,tnetnoc tnecrep mass O-3-0.5 1448 ( traP 33 ) : 1991
6. Flash ,tniop K 305 Min 1448 ( traP 20 ) : 1982
7. ruoP ,tniop K 279 Max 1448 ( traP 10 ) : 1970
8. nosdarnoC nobrac eudiser no 10 tnecrep 0.20 Max 1448 ( traP 8 ) : 1967
,eudiser tnecrep yb mass
9. Ash ,tnetnoc tnecrep yb mass 0.01 Max 1448 ( traP 4 ) : 1984
10. retaW ,tnetnoc tneerep yb mass 1448 ( traP 40 ) ~: 1987
0.05 Max
11. reppoC noisorroc 373 K 1 1448 traP( 15 ) : 1976
Max
12. ,ytidicA ,latot ni smret fo gm fo g/HOK 1448 ( traP )2 : 1967
0.50
5
