Automobile Level04-Hbse-U2-S4-Testing of Cooling System

 

(Testing of cooling system and replacement of defective components)

Q1.         Cooling system, I.C. engine esa D;ksa t:jh gS \

Ans.      

(i)            I.C. engine esaa power stroke ds nkSjku batu dk temperature 700-900⁰C rd gks trk gSA ,XtkWLV LVªksd ds nkSjku 30% heat okrkoj.k esa NksM+h tkrh gSA dwfyax flLVe dk Primary dk;Z gh heat dks gok esa transfer djds overheat ls cpkuk gSA

(ii)           Cooling blfy, Hkh vko';d gS D;ksafd high temperature engine ds components dks damage djrh gS vkSj lubricants dh viscosity dks Hkh cny nsrh gSA

 

Q2.         Cooling System esa vkus okys common faults crk,aA

Ans.      

(i)            Water pump pulley dh belt dk loose ;k VwVk gksukA

(ii)           Coolant dk level de gksukA

(iii)          Thermostat dk faulty gksukA

(iv)          Water pump dk faulty gksukA

(v)           Radiator pins dk Dirty ;k bend gksukA

(vi)          Water pump ds fan dk VwVk gksukA

(vii)         Cooling system esa coolant dh leakage gksukA

(viii)        Cooling fan dh motor dk defective gksukA

(ix)          Radiator dk plaged gksukA

(x)           Radicator cap dk faulty gks tkukA

(xi)          Ignition timing dk lgh u gksukA

 

Q3.         Cooling system dk defects vkSj remedies crkvksA

Ans.                     

(i) Water pump dh pulley dh belt dk loose gksuk@VwV tkukA (ii) Coolant dk level low gksuk A   (iii) Thermustat dk faulty gksukA (iv) Water pump dk faulty gksukA (v) Radiator fins dk dirty ;k bend gksukA (vi) Water pump fan dk VwVk gksukA (vii) Cooling sysem ls coolant dk leak gksukA (viii) Cooling fan motor dk defective gksukA (ix) Radiator dk plugged gksuk vkSj rubber heses dk defective gksukA (x) Radiator cap dk faulty gksukA     (xi) Thermostatic switch dk faulty gksukA (xii) Ignition timing dk lgh u gksukA

(i) Adjust djsa ;k replace djsaA   (ii) Coolant level chek djssa vkSj vko';drkuqlkj add djsaA (iii) Replace djsaA (iv) Replace djsaA (v) Clean djsa ;k remedy (vi) Replace djsaA (vii) Repair djsaA (viii) Check djsa vkSj replace djsaA (ix) Check djsa vkSj radiator dks cny nsA   (x) Radiator ds upper hole dks cap ij pSd djsa vkSj rubber sealing check djsa vkSj defective gks rks cny nsaA (xi) Switch dks cny nsaA (xii) Adjust djsaA

 

               Fill in the blanks:-

(i)            Power stroke ds nkSjku I.C. engine esaa engine dk temperature ………………….. , ……………….. gks tkrk gSA

(ii)           Vehicle esa fuel dh vf/kdrj energy……………… esa convert dj nh tkrh gS vkSj bl heat dks laHkkyuk .................... dh job gSA

(iii)          Cooling system dh primary job heat dks air esa----------------------- engine dks overheating ls cpkuk gSA

Ans.       (i) 700, 900⁰C     (ii) Heat (m"ek), Cooling system    (iii) Transferring