Marking Scheme

!* vfgf
jf;:yfg
kfgL
jftfj/0f ;Gt'ng h:tf s'g} rf/ pko'Qm a'Fbfx? cfPdf
!( s[lifaf6 pTkfbg x'g] sRrf kbfy{af6 pBf]uwGbf ;~rfng ugf{n] k|z:t /f]huf/Lsf] cj:yf l;h{gf
/xG5 .
s'v'/fkfng Joj;fo, b'Uw pTkfbg sfo{, t/sf/L v]tL, cflbaf6 klg /f]huf/L l;h{gf x'G5 .
s[lif sfo{ h:t} M hldt tof/ ug]{, afnL lj?jf nufpg], uf]8d]n cflbdf dfgjLo zlQmsf] k|of]u
x'gfn] /f]huf/Lsf] cj;/ k|bfg u5{ .
s[lifsf] ljsf;sf nflu kz'kfng Ps dxŒjk"0f{ If]q ePsf]n] o;af6 klg s[lifsf] ljsf; eO{
/f]huf/Lsf] cj;/ k|bfg u5{ . jf cGo s'g} ldNg] pQ/ n]v]df
@) df6f]sf] ;+/rgf ljuf5{ .
j/k/sf] hn;|f]tnfO{ k|b'lift u5{ / ;fy} e"ld k|b'lift u5{ .
kfgLdf hLjgofkg ug]{ hLjx? k|efljt x'G5g\ .
hldgsf] pj{/f zlQmdf qmlds x|f; b]vfk5{ / o;n] vfBfGg pTkfbgdf gsf/fTds c;/ kf5{ . jf
@!
cGo s'g} ldNg] pQ/ n]v]df
/;folgs dn /f;folgs k|lts[ofaf6
lgdf{0f ul/g] kl/efiff lbPdf h:t},
Urea
k|fªufl/s dn lhjx?sf] cjz]ifaf6 tof/ ul/g] egL
kl/efiff lbPdf h:t}M uf]a/dn
jf cGo s'g} ldNg] pQ/ lbPdf
/;folgs dn k|of]u ubf{ ckgfpg' kg]{ ljlwx?M
/;folgs dnsf] af/]df k"0f{ hfgsf/L lng'k5{ .
s;/L k|of]u ug]{ eGg] af/] k"0f{ hfgsf/L lng'k5{ .
k|of]u ubf{ ;se/ k~hf, df:s cflb k|of]u ug'{k5{ .
sltdfqfdf k|of]u ug]{ eGg] k"0f{ hfgsf/L lng'k5{ . jf cGo s'g} ldNg] pQ/ lbPdf
@@ jftfj/0fsf] ljleGg kIfx? / :jf:Yosf] cfk;L ;DaGw b]vfp5 .
jftfj/l0fo :jf:ytfsf] cWoog ug{ ;xof]u k'¥ofp5 .
:jf:y ;]jfsf gLlt lgdf{0f ug{ ;xof]u k'¥ofp5 .
lju|bf] jftfj/0faf6 :jf:ydf kg]{ c;/x?af/] hfgsf/L u/fp5 .
@# b'lift xfjfaf6 ?3fvf]sL, a|f]ªsfOl6; h:tf /f]ux? nfU5 .
jfo" k|b'if0fn] ubf{ j/k/sf] :yfg b'lift / b'u{lGwt x'G5 .
jfo' k|b'if0fn] hnjfo' kl/jt{g x'G5 .
k|b'lift xfjfn] P]ltxfl;s Pj+ dxŒjk"0f{ d7dlGb/ cflbsf rdsnfO{ ljuf5{ eGg] h:tf c;/x?
n]v]df
@$ kl/efiff, sf/0fx?, c;/x? cflb af/]df pNn]v ePdf @
a}slNks phf{ ( Alternative energy)
jftfj/0fdf k|lts'n c;/ ug]{ phf{ ;|f]t -ljz]if u/L cgljs/0fLo d}qL phf{ ;|f]t j}slNks phf{sf]
pbfx/0f - ;f}o{, jfo', hnljB't cflb _ ePdf
@
@% -s_ sfa{g8fOcS;fO{8 (CO 2 ) M of] k|d'v x/Ltu[x UofF; xf] . hLjfz]if phf{sf] a9\bf] k|of]u /
agh+unsf] ljgf; g} CO 2 pT;h{gsf] k|d'v sf/0f xf] . k[YjLdf eO{/x]sf] x/Lt u[x k|efjdf o;sf]
k|d'v e'ldsf 5 .
o;} u/L c? tLg x/Ltu[x UofF;x? N20, CH4, H2O VAPOUR sf / ltgLx?sf] >f]tsf ;fy} c;/x?
n]v]df
sfj{g8fO{cS;fO{, ldy]g, CO2, NOx, SOx cflbnfO{ x/Ltu[x UofF; elgG5 . oL UofF;x?n] k[YjLnfO{
jl/kl/ 3]l//x]sf x'G5g\ / Pp6f txsf] lgdf{0f u/]sf x'G5g\ . ha oL UofF;x?sf] pT;h{g a9\b} hfG5
Tof] tx jflSnb} hfG5 . o;sf sf/0f ;"o{af6 cfpg] k/fa}hgL ls/0fx? k[YjLdf k:g ;S5g t/ tL
ls/0fx? k[YjLaf6 kms]{/ aflx/ hfg ;Sb}gg\ . o; sf/0f k[YjLsf] tfkqmd lj:tf/} a9\b} hfG5 egL
JofVof u/]df
$
$
$
@
@
$
$
$
#
SRE-647
3