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,[XG G\AZ v&

,[XG GAZ v&. OMZ :8=MS ;FIS, V[gHLG. Four stroke cycle Engine. C[T]VM o. VF ,[XGGF VT[ TF,LDFYL"VM4 OMZ :8=MS ;FIS, 4 OMZ :8=MS 5[8=M, V[gHLGGL SFI" 5wWlT4 OMZ :8=MS 0Lh, V[gHLG SFI" 5wWlT lJX[ XLBX[P. OMZ :8=MS V[gHLG s Four Stroke Engine f.

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,[XG G\AZ v&

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  1. ,[XG G\AZ v& OMZ :8=MS ;FIS, V[gHLG Four stroke cycle Engine

  2. C[T]VM o • VF ,[XGGF V\T[ TF,LDFYL"VM4 • OMZ :8=MS ;FIS, 4 • OMZ :8=MS 5[8=M, V[gHLGGL SFI" 5wWlT4 • OMZ :8=MS 0Lh, V[gHLG SFI" 5wWlT lJX[ XLBX[P

  3. OMZ :8=MS V[gHLG sFour Stroke Enginef • ;SXG4 SMd5|[XG4 5FJZ VG[ V[ShM:8 RFZ[I lS|IFVM S|[gS XFO8GF A[ VF\8FDF\ s 7200 0LU|L f DF\ 5}6" Y. V[SJFZ XlST pt5gG YFI K[P :5FS"%,U JF<J l5:8G SG[S8L\U ZF[0 S|[gSXFO8

  4. OMZ :8=MS 5[8=M, V[gHLGGL SFI" 5w3lT Working Principle of Four Stroke Petrol Engine :5FS" %,U • ;SXG :8=MS sSuction Strokef .G8[S JF<J V[ShM:8 JF<J CJF + 58=M, • .G,[8 JF<J B]<,M VG[ V[ShM:8 JF<J A\3 • l5:8G UlT T.D.C.YL B.D.C.TZO • ;L,LPDF\ SN J3[ v NAF6 38[ v X}gIFJSFX YFI • CJF VG[ 5[8=M,G]\\ lD`F|6 ;L,LPDF\ NFB, YFI • VF :8=MSGF V\T[ l5:8G B.D.C.5Z 5CM\R[ K[P • S|[gS XFO8 V03M VF\8M s1800 0LU|Lf OZ[ K[P ;L,Lg0Z l5:8G S|[gS XFO8 SG[S8L\U ZM0 S|[gS S[.;

  5. OMZ :8=MS 5[8=M, V[gHLGGL SFI" 5w3lT Working Principle of Four Stroke Petrol Engine :5FS" %,U • ;SXG :8=MS sSuction Strokef V[ShM:8 JF<J .G8[S JF<J CJF + 58=M, ;L,Lg0Z l5:8G SG[S8L\U ZM0 S|[gS XFO8 S|[gS S[.;

  6. OMZ :8=MS 5[8=M, V[gHLGGL SFI" 5w3lT Working Principle of Four Stroke Petrol Engine • SMd5|[XG :8=MS s Compression Stroke f .G8[S JF<J V[ShM:8 JF<J • .G,[8 VG[ V[ShM:8 AgG[ JF<J A\3 • l5:8G UlT B.D.C.YL T.D.C.TZO • ;L,Lg0ZDF\ SN 38[ v NAF6 J3[ • CJF VG[ 5[8=M,G]\\ lD`F|6 ;L,LPDF\ 95 YL • 180 5Fpg0 q .\gR 2 NAF6YL NAFI • lD`F|6G]\ TF5DFG 600YL 80 0 c • VF :8=MSGF V\T[ l5:8G T.D.C.5Z 5CM\R[ • S|[gS S], V[S VF\8M s 360 00LU|L f OZ[ K[P ;L,Lg0Z l5:8G S|[gS XFO8

  7. OMZ :8=MS 5[8=M, V[gHLGGL SFI" 5w3lT Working Principle of Four Stroke Petrol Engine V[ShM:8 JF<J .G8[S JF<J • SMd5|[XG :8=MS s Compression Stroke f ;L,Lg0Z l5:8G UlT l5:8G SG[S8L\U ZM0 S|[gS XFO8

  8. OMZ :8=MS 5[8=M, V[gHLGGL SFI" 5w3lT Working Principle of Four Stroke Petrol Engine • 5FJZ :8=MS s Power Stroke f V[ShM:8 JF<J .G8[S JF<J • .G,[8 VG[ V[ShM:8 AgG[ JF<J A\3 • lD`F|6 5Z T6BM SZTF 30FSF ;FY[ ;/UL p9[ • SdAXG R[dAZDF\ RFZ[I TZO NAF6 YFI • l5:8G 450YL 5505Fpg0 q .\gR 2 NAF6YL T.D.C.YL B.D.C.TZO HFI K[P • VFD4 XlST s 5FJZ f pt5gG YFI K[P • VF :8=MSGF V\T[ l5:8G B.D.C.5Z 5CM\R[ K[P • S|[gS XFO8 S], NM9 VF\8M s 540 00LU|L f OZ[ K[P ;L,Lg0Z l5:8G SG[S8L\U ZM0 S|[gS XFO8

  9. OMZ :8=MS 5[8=M, V[gHLGGL SFI" 5w3lT Working Principle of Four Stroke Petrol Engine :5FS" %,U • 5FJZ :8=MS s Power Stroke f V[ShM:8 JF<J .G8[S JF<J ;L,Lg0Z l5:8G UlT l5:8G SG[S8L\U ZM0 S|[gS XFO8

  10. OMZ :8=MS 5[8=M, V[gHLGGL SFI" 5w3lT Working Principle of Four Stroke Petrol Engine .G8[S JF<J V[ShM:8 JF<J • V[ShM:8 :8=MS [ Exhaust Stroke ] • .G,[8 JF<J A\3 VG[ V[ShM:8 JF<J B]<,M • l5:8GGL UlT B.D.C.YL T.D.C.TZO • V[ShM:8 U[; 5Z NAF6 YTF ;L,LPDF\YL ACFZ GLS/[ • VF :8=MSGF V\T[ l5:8G T.D.C.5Z 5CM\R[ K[P • S|[gS XFO8 S], A[ VF\8F s 720 0 0LU|Lf OZ[ K[P ;L,Lg0Z l5:8G SG[S8L\U ZM0 • VFD4 RFZ lS|IFVM S|[gS XFO8GF A[ VF\8FDF\ 5}6" YFI • VF lS|IFVM JFZ\JFZ Y.4 XlST pt5gG YTL ZC[TL CMJFYL V[gHLG RF,] ZC[ K[P S|[gS XFO8

  11. OMZ :8=MS 5[8=M, V[gHLGGL SFI" 5w3lT Working Principle of Four Stroke Petrol Engine V[ShM:8 JF<J :5FS" %,U • V[ShM:8 :8=MS [ Exhaust Stroke ] .G8[S JF<J ;L,Lg0Z l5:8G l5:8G UlT SG[S8L\U ZM0 S|[gS XFO8

  12. OMZ :8=MS 5[8=M, V[gHLGGL SFI" 5w3lT Working Principle of Four Stroke Petrol Engine ;SXG :8=MS 5FJZ :8=MS SMd5|[XG :8=MS V[ShM:8 :8=MS

  13. OMZ :8=MS 0Lh, V[gHLGGL SFI" 5w3lT • Working Principle of Four Stroke Diesel Engine .G8[S JF<J V[ShM:8 JF<J • ;SXG :8=MS s Suction Stroke f v CJF .gH[S8Z • .G,[8 JF<J B]<,M VG[ V[ShM:8 JF<J A\3 • l5:8GGL UlT T.D.C.YL B.D.C.TZO • ;L,LPDF\ SN J3[ v NAF6 38[ v X}gIFJSFX YFI • JFTFJZ6GL CJF ;L,Lg0ZDF\ NFB, YFI • VF :8=MSGF V\T[ l5:8G B.D.C.5Z 5CM\R[ • S|[gS XFO8 V03M VF\8M s180 0 0LU|Lf OZ[ ;L,Lg0Z l5:8G SG[S8L\U ZM0 S|[gS XFO8

  14. OMZ :8=MS 0Lh, V[gHLGGL SFI" 5w3lT • Working Principle of Four Stroke Diesel Engine .gH[S8Z • ;SXG :8=MS s Suction Stroke f CJF V[ShM:8 JF<J .G8[S JF<J CJF ;L,Lg0Z l5:8G SG[S8L\U ZM0 S|[gS XFO8

  15. OMZ :8=MS 0Lh, V[gHLGGL SFI" 5w3lT • Working Principle of Four Stroke Diesel Engine V[ShM:8 JF<J • ZP SMd5|[XG :8=MS s Compression Stroke f v .G8[S JF<J • .G,[8 VG[ V[ShM:8 AgG[ JF<J A\3 CMI K[P • l5:8G B.D.C.YL T.D.C.TZO UlT SZ[ K[P • ;L,Lg0ZDF\ SN 38[ v NAF6 J3[ v CJF 380 YL 550 5Fpg0q.\gR2 NAF6YL NAFI K[P • CJFG]\ TF5DFG 600 YL 800 0 c YFI K[P • VF :8=MSGFV\T[ l5:8G T.D.C.5Z 5CM\R[ K[P • S|[gS XFO8 S], V[S VF\8M 360 00LU|L OZ[K[P l5:8G

  16. OMZ :8=MS 0Lh, V[gHLGGL SFI" 5w3lT • Working Principle of Four Stroke Diesel Engine V[ShM:8 JF<J • ZP SMd5|[XG :8=MS s Compression Stroke f .G8[S JF<J l5:8G

  17. OMZ :8=MS 0Lh, V[gHLGGL SFI" 5w3lT • Working Principle of Four Stroke Diesel Engine • 5FJZ :8=MS s Power Stroke f va .gH[S8Z J0[ 0Lh, :5|[ • .G,[8 VG[ V[ShM:8 AgG[ JF<J A\3 • UZD YI[, CJFDF\ 1500 5Fpg0q.\gR2 NAF6YL 0Lh,GM :5|[ SZTF 0Lh, VF5 D[/[ ;/U[ • U[;G]\750 YL 950 5Fpg0q.\gR2 NAF6 l5:8G 5Z VFJTF T[ T.D.C.YL B.D.C.TZO HFI K[P • VFD4 XlST s 5FJZ f pt5gG YFI K[P • VF :8=MSGF V\T[ l5:8G B.D.C.5Z 5CM\R[ K[P • S|[gS XFO8 S], NM- VF\8M s 540 00LU|Lf OZ[ K[P E.V.C. I.V.C.

  18. OMZ :8=MS 0Lh, V[gHLGGL SFI" 5w3lT • Working Principle of Four Stroke Diesel Engine .gH[S8Z J0[ 0Lh, :5|[ • 5FJZ :8=MS s Power Stroke f I.V.C. E.V.C.

  19. OMZ :8=MS 0Lh, V[gHLGGL SFI" 5w3lT • Working Principle of Four Stroke Diesel Engine V[ShM:8 JF<J • V[ShM:8 :8=MS s Exhaust Stroke f v .G8[S JF<J • .G,[8 JF<J A\3 VG[ V[ShM:8 JF<J B]<,M • l5:8GGL UlT B.D.C.YL T.D.C.TZO • V[ShM:8 U[; 5Z NAF6 YTF ;L,LPDF\YL ACFZ GLS/[ • VF :8=MSGF V\T[ l5:8G T.D.C.5Z 5CM\R[ K[P • S|[gS XFO8 S], A[ VF\8F s 720 0 0LU|Lf OZ[ K[P V[ShM:8 U[; l5:8G • VFD4RFZ lS|IFVM S|[gS XFO8GF A[ VF\8FDF\ 5}6" YFI • VF lS|IFVM JFZ\JFZ Y.4 XlST pt5gG YTL ZC[ K[P • V[gHLG RF,] ZC[ K[P

  20. OMZ :8=MS 0Lh, V[gHLGGL SFI" 5w3lT • Working Principle of Four Stroke Diesel Engine V[ShM:8 JF<J • V[ShM:8 :8=MS s Exhaust Stroke f .G8[S JF<J V[ShM:8 U[; l5:8G

  21. 5|`GM • 5[8=M, V[gHLGGF ;SXG :8=MS ;DI[ ;L,Lg0ZDF\ X]\ NFB, YFI K[ m • 5[8=M, V[gHLGDF\ T6BM SZJF DF8[ SIM EFU VF5[, CMI K[ m • 0Lh, V[gHLG ALHF SIF GFDYL VM/BFI K[ m • 0Lh, V[gHLGDF\ ;SXG :8=MS ;DI[ X]\ NFB, YFI K[ m • 0Lh, V[gHLGGF p5IMUM H6FJM m

  22. p5;\CFZ o • VFH[ VF ,[XGDF\YL4 • OMZ :8=MS ;FIS, 4 • OMZ:8=MS 5[8=M, V[gHLGGL SFI" 5wWlT4 • OMZ :8=MS 0Lh, V[gHLG SFI" 5wWlT lJX[ XLbIFP • CJ[ 5KLGF ,[GXDF\ 8] :8=MS ;FIS, V[gHLG lJX[ XLBLX]P

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