ji bahoot sukriya apka...same vidio hamne practical upload kiya hua hai ...wo dekhenge aap to bilkul clear ho jayega...gas recovery..☝️... description me link hai aap dekh sakte hai..... sukriya
Thankyou so much sir aapka video bahut jankari milta hai sir ek chij mereko e batae ki jab ham chillerko gus recovery to usamay me kya kya device band kare sir chiller ka sir please
thank you...hamne isi topic pe practical vidio upload kiya hua hai description me link hai aap dekh sakte hai...apko bilkul clear samjh me aA jayega...
Hiii.mujhe York chiller ke vsd panel me circulation wale glycol Ka system Nahi malum hai please vidio daalo aaap.servicing bhi Karna padta haina glycol strainer ka
Bhai york main gas recovery ke time pump ki koi zarurat nahi hai because york ka gas recovery ke time system ka pura paani drain kar diya jata hai. Secondary aur primary pump trane aur Daikin main chalu karte hai
Mera 1 question hai Ductable ac hai usme gas charging ho raha hai aur 40 se jada nahi ja raha hai aur ice me bahut aa raha hai aur gas 30 par ice nahi aa raha hai pura indoor to outdoor full flushing kiya aur new compress v dala coil v fan speed v sahi hai aur kiya karo pzl give me reply
Sir Maine RUclips pe dekha Vedio jo post kiye hain Solonied Value ke topic pe But Samjh mein nhi aaya clearly . Aap jis tarah Explain karte hain oo best hai request hai please
dost ... ek chote CHILLER ME hamne practical ME gas charging ki video upload kiya hua hai description me link hai aap dekh SAKTE HAI...baki kuch doubt ya question ho to aap Pooch sakte hai 👍
@@c4chiller9984 20% extra mujhe kise ne baatya tha 25 ka difference hota h Achha bhai aapka chillar 650 tr ka h ,then aapka cooling tower kitne tr ka h .??
Sir please make a video in which mention all inlet and outlets temperature and pressure of compressure, condenser, chiller, ahu and cooling tower. Or you mention these things below comment Thank you
Ji hamne ahu ke valve and temperature and pressure gauge ke uper already vidio upload ki hui hai aap dekh sakte hai And also cooling tower valve and line .. link description me hai ...sukriya ..
Muffler work like silencer ya phir aap aise samjh lijiye ki jab gas suction ya discharge hoti hai to us condition me jo noise aati hai muffler usi noise ko kam karta hai . Aor ye jyadatar reciprocating compresser me use kiua jata hai sukriya
Ji VSD means ( variable speed drive) system hota hai iska seedha work ye hota hai ki ye system ke load ke hisab se run karta hai .... Jaise ki apka chiller jab tak set point temp. Tak nahi aa jata ..Vsd tab tak chiller ko 100 % power supply dega .. aor jaise hi apka chiller set point temp. Yani 7 digri celcius jo aap set karte hai 👉 chiller utna temp . Pe aa jayega to vsd automatically power supply ko kam kar deta hai yani ki jo moter compressor ko chalati hai uski speed ko slow kar dega ... 👉 Jisse ki chiller ki efficiency yani ki uski life bhi achi rahti hai aor power saving bhi ho jati hai ..👌 ...
Bhai service line hi bolte h yah kuch or naam hota h uska ? Recovery gas jo cylinder me dala uska kya use hota h baad me ?? Recovery ke time sp pp kyun on hona cahiye samjh nhi aya ice formation se kya connection h ahr band hoga toh sp nd pp
Gas recovery ke time aap chiller ke water ko poori taarah se drain kar de aor phir aap gas recovery kare .... Primeri pump tab chalayenge jab hame gas ko wapas se charge karna hoga ...👉 Aor ha ham us cylinder ki gas ko use kar sakte hai ..👉 ek vidio hamne practical gas recovery ki vidio upload kiya hai description me link hai aap dekh sakte hai Sukriya
Jaise thodi bahoot thand hai to set point temp. Ko badha diya jata hai .. Mtlab ki👉 7 digri celcius agar rahta hai to use 👉 10 digri celcius set karke chalya jata hai.. Lekin agar bahar (atmosphere) ka temp. 20 digri celcius tak rahta hai to chiller bilkul nahi chalaya jata .hai
@@c4chiller9984 okay Bhai ji thank you pr mujhe thoda confusing hain kya sirf set point Kam kr re andr heat ho jayega ya uske liye kch or b Krna hoga hmre yaha p chiller set poin 6 digree h lekin andr phir b garm rehta h thoda or Sumer m b set point 6 digree rehta h aur andr thnda hota h Sumer m to kisi or jagah se b hm kch change krte honge please apse request Hain time ho apko ko ek video 🙏🙏
Ji heating ke liye boiler use kiye jate hai .. matlab ki pani ko heat karke ahu me diya jata hai .. jisse ki jab jyada thand padti hai to wahi heat water se ahu ki air bhi heat ho jati hai ..
Nitrogen gas ke through ham miner se miner leak check karte hai isliye ham system me nitrogen gas use karte hai .,...agar nitrogen gas nahi daalenge to barabar se leak ka pata nahi kar payenge
ji agar chiller ke shell side me gas hai to ham filter ke pass se liquid line ko open kar dete hai ... aor phir suction line se nitrogen pressure dalte hai .... 👉 aor us open line ke muh pe hath rakh ke kuch second hold karke chodenge jisse ki flash achi tarah ho jay 👍
Evaporater ko bhi descaling kiya jata hai . But need according qki shayed apne dekha hoga ki jo bhi bactiria scale aati hai wo atmosphere temp se water temp jyada ya phir same rahta hai ,aor agar water temp atmosphere temp.se kam hai to waha par scal kabhi nahi ati hai bas isliye evaporater ko descaling nahi kiya jata hai
@@c4chiller9984 bhai ye mafler only reciprocating compressors me hi use hota h sound ko minimize krne ke.liye yah fir sare compressors me use hota h ???
150 to 200 psi standard But depend on leakege .. qki leakege bilkul miner hai hai to apko 220 tak add karna pad sakta hai aor use 12 hour ke hold kar dijiye
Suppose kariye ki apne 150 psi nitrogen add kiya kisi system me leakege check karne ke liye ... Aor phir apne 12 hour ke liye hold kar diya .. 👉aor jab aap 12 hour ke baad check Karenge pressure ko agar wo pressure 150 psi hi hai to aap system ko vaccume karke gas charge kar sakte hai ..👍
जैसे हम साइकिल में पंचर चेक करने के लिए हवा डालते है ओर फिर उसे चेक करते है ...की कही पंचर तो नही है ... 👉ठीक उसी तरह हम चिल्लर में नाइट्रोजन प्रेसर डालते है की हम उसका लीकेज चेक कर सके ..ओर हम 24 घंटे इस लिए hold करते है की अगर बहुत हल्का लीकेज है तो 24 घंटे तक मालूम चल जाय
@@c4chiller9984 Kis tarah gas bharte hai aur ek video vacuump karene ka tarika mane padha hai but sir aap jo batate hai wo maind mai ghus jata hai but ek hi video mai dono nahi batayega alg alg se video banayega sir....pls pls pls🙏🙏🙏🙏
How much gas required for given chiller capicity? Please don't mind for asking too much question. I'm preparing for interview that's why. Sorry and thank you
Its ok ji but don't sorry again 👍... Because Agar aap kuch learn kar rahe hai to mai apke har ek question ka answer dene ke liye ready hu .. 👍 Dekhiye refrigration ka jo formula hai wo hai 750 gram to 850 gram per TR gas charge hoti hai ।। Ye insta id hai meri aap yaha pe questions kar sakte hai 👉 kgufran195
sir app se ak sawal karna hai plz whatsapp number send kijiye mera saudi me chiller technician me kam huwa hài sir me ja sakta hu plz sir Reply fast plz
![100 Days - [Minecraft Creative 2]](http://i.ytimg.com/vi/OmogWsk_ZZg/mqdefault.jpg)
Bahot achcha samjhate ho bhai ty
ji bahoot sukriya apka...same vidio hamne practical upload kiya hua hai ...wo dekhenge aap to bilkul clear ho jayega...gas recovery..☝️... description me link hai aap dekh sakte hai..... sukriya
Very informative video.
Very informative bhai
Awesome bro aapke define karne ka tarika bahot acha hai...
Gas recovery ki ek practical vidio bhi upload hai description me link hai aap dekh sakte sukriya
Good information
Nicely explained
Very good
Nice video 👌
Thank you sir
Very nice
Nice 👍
Excellant
Sir ji very good 👍
ek vidio gas recovery ki hamne practical bhi upload kiya hua hai description me link hai aap dekh sakte hai Sukriya
Thank you sir❤ for Your knowledge 🙏
same vidio hamne practical bhi upload kiya hua hai ...aap use dekhkar poora doubt clear kar sakte hai ....thank you 👍
This was my request sir. Thank you sir🙏
💐💐👍👍
Ji jaldi hi ham apko practical gas recovery ki vidio add karne vale hai sukriya
Great
thank you 🤗
👍👌🙏 gajb sir
Ji hamne ek practical vidio bhi upload kiya hai gas recovery ka aap use dekhenge to sab clear ho jayega 👍
Thanks brother 😊
ji sukriya 👍
same vidio practical me hamne upload kiya hua hai description me link hai aap dekh sakte hai....apko aor ache se samjh aa jayega
Hii sir your voice is very sweet I like u
👍👍👍
Thankyou so much sir aapka video bahut jankari milta hai sir ek chij mereko e batae ki jab ham chillerko gus recovery to usamay me kya kya device band kare sir chiller ka sir please
Ji hamne practical me ek gas recovery ki vidio upload kiya hai usme sab kuch bataya hai hamne description me link hai aap dekh sakte hai Sukriya
Good
thank you...hamne isi topic pe practical vidio upload kiya hua hai description me link hai aap dekh sakte hai...apko bilkul clear samjh me aA jayega...
Automatic pump down system operations batao bhai
Pl explain oil chargin in york screw chiller or any
Sir cooling tower ka motor dikha dijie pleasea
Sir process chiller per video banaye
Good sir very very nice videos 👍👍
Bahoot sukriya apka
Ye therotical ki vidio .. hamne ek vidio gas recovery ki practical upload kiya hai .. link description me hai aap dekh sakte hai sukriya
Thank you🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏
Hiii.mujhe York chiller ke vsd panel me circulation wale glycol Ka system Nahi malum hai please vidio daalo aaap.servicing bhi Karna padta haina glycol strainer ka
Air cooled me bhee gas recovery ke time primary pump ya secondry pump chalu rahenge ...?
Compressor k discharge mein ya suction mein
Bhai york main gas recovery ke time pump ki koi zarurat nahi hai because york ka gas recovery ke time system ka pura paani drain kar diya jata hai. Secondary aur primary pump trane aur Daikin main chalu karte hai
Sir please explain descaling of evaporator
Sir mja agya Sach me
Bahoot sukriya 💐🤗
Sir can you make one complete video on low delta T syndrome.please sir
Love you sir
Bahoot sukriya ji apka 💐🙏
Use pH for cooling gas
Thank you very much bhai bhot bhot thanks I'm working as a AC plant Opration supervisor
Mara under 6 chillers hain Trane Modal#CVGF800
Very good ji 👍💐
Hello bro aap kha pr ho supervisor . M bi supervisor hu home ministry office m
@@inderjeet5386 very good 👍
Mera 1 question hai
Ductable ac hai usme gas charging ho raha hai aur 40 se jada nahi ja raha hai aur ice me bahut aa raha hai aur gas 30 par ice nahi aa raha hai pura indoor to outdoor full flushing kiya aur new compress v dala coil v fan speed v sahi hai aur kiya karo pzl give me reply
Sir Maine RUclips pe dekha Vedio jo post kiye hain Solonied Value ke topic pe But Samjh mein nhi aaya clearly . Aap jis tarah Explain karte hain oo best hai request hai please
ok ... time milega to ham jarur apke topic pe solenoid valve pe vidio upload kar denge 👍
@@c4chiller9984 Thank you Sir
Ha thekkk hai !!! 😀
🤗🤗
Bhai aap Jo( hi hvac team Bhai kaise hai aap sab) Jo bolte hai na qasam se video skip karne ka khyal bhi nhi aata.😊
Thank you 🤗🤗
Sir recovery cylinder se top up kase karte ispe video banayea please
ek vidio hamne practical gas recovery ki upload kiya hua hai description me link hai aap dekh sakte sukriya
Gas nikalne ke baad nitrogen add karna hota hai kya
Sir ji chiller plant me oil Pressur Kitna hota hai , suction Pressur aur oil Pressur me Kitna difference hota hai
Happy Deepawali sir ji❤️
Ji happy diwali 💐💐💐
Votas condenser me 14°temperature set karte hai lekin 22°temperature se niche nhi aata hai kyo?
Gas ko chiller me dalte kaise hai please make a video sir
dost ...
ek chote CHILLER ME hamne practical ME gas charging ki video upload kiya hua hai description me link hai aap dekh SAKTE HAI...baki kuch doubt ya question ho to aap Pooch sakte hai 👍
Very nice video 👌👌👌
Can you tell me What is the criteria of cooling tower?
20 % extra according chiller
For example chiller is 500 tr so
Cooling tower should be 620 tr
@@c4chiller9984 20% extra mujhe kise ne baatya tha 25 ka difference hota h
Achha bhai aapka chillar 650 tr ka h ,then aapka cooling tower kitne tr ka h .??
And happy Diwali sir
Apko bhi mubarak ho 💐💐🙏🎉🎉
Sir muja pataha gas rekovore kasa karta ha
Sir... JR HVAC TECHNICIAN ki responsibilities kya hoti hai .. reply me please
Sir please make a video in which mention all inlet and outlets temperature and pressure of compressure, condenser, chiller, ahu and cooling tower. Or you mention these things below comment
Thank you
Ji hamne ahu ke valve and temperature and pressure gauge ke uper already vidio upload ki hui hai aap dekh sakte hai And also cooling tower valve and line .. link description me hai ...sukriya ..
@@c4chiller9984 shukriya 🙏
Vai,recovery k time shirf secondary hi chalahege.primary nahi?
Dono chalega ...
Palace sir 🙏🙏🙏🙏
What is mofler. Where it is located in refrigeration cycle diagram. After compressor it comes or before. And why it is used.
Muffler work like silencer ya phir aap aise samjh lijiye ki jab gas suction ya discharge hoti hai to us condition me jo noise aati hai muffler usi noise ko kam karta hai . Aor ye jyadatar reciprocating compresser me use kiua jata hai sukriya
Centrifugal compressor of chiller k maintince bataaye sir
Ji maine vidio upload hui hai chiller ki ppm pe aap dekh sakte hai link diya hua hai hamne
Sir Gas charging ka video banayea .....
Ok ji ... Time milega to ham jarur upload kr denge sukriya
@@c4chiller9984 thanks ....
Sir enterview engalish me hota hai . Hindi mai nhi hota hai kya
Please explain what are the procedure while changing filters adding gas replacement of sensors and pressure and temperature of gas and oil
Ji koi fixed nahi hota ki agar gas change ya oil change ho to sensor ya filter change ho
Agar filter ya sensor sahi rahte hai to use laga rahne diya jata hai ।। Aor agar wo proper work nahi karte to phir change kar diya jata hai
Hello sir kaise ho aap
Muze ye Pata karna tha k 2motor aur 4blower ki wiring kaise ki jati he
kisme use karna hai ??
Cooling tower ke pipe me koun koun se saman laga hota hai bata dijie please sir
Ji ham apke topic par vidio upload kar denge ।।aap direct samjh jayenge ।। Sukriya
Aap k videos ka wait krege sir
Sir One's again I am Confused Solonied Value Why using where is use Also Gas Pump Down 👇 Store in Compressor
Please🙏🙏
Air cooled chiller model Number YV AA CAN U EXPLAIN VSD and control
Ji VSD means ( variable speed drive) system hota hai iska seedha work ye hota hai ki ye system ke load ke hisab se run karta hai .... Jaise ki apka chiller jab tak set point temp. Tak nahi aa jata ..Vsd tab tak chiller ko 100 % power supply dega .. aor jaise hi apka chiller set point temp. Yani 7 digri celcius jo aap set karte hai 👉 chiller utna temp . Pe aa jayega to vsd automatically power supply ko kam kar deta hai yani ki jo moter compressor ko chalati hai uski speed ko slow kar dega ... 👉 Jisse ki chiller ki efficiency yani ki uski life bhi achi rahti hai aor power saving bhi ho jati hai ..👌 ...
Sir fcu ko kitne tr tak ke liye laga sakte hain ?
Minimum 2 tr
Maximum 6 tr
Brother how to control air pressure and RH in room .
Ahu room main VFD use krtai hain jisse blower ka speed Kam ho jata hain aur air kam ho jati hain
Sir, ye kitne ton ka chiller hai or iss me kitna gas fill kiya jata hai.
650 ton ka hai aor R134 gas hai 621 kilogram gas charge ki gai hai
Bhai service line hi bolte h yah kuch or naam hota h uska ?
Recovery gas jo cylinder me dala uska kya use hota h baad me ??
Recovery ke time sp pp kyun on hona cahiye samjh nhi aya ice formation se kya connection h ahr band hoga toh sp nd pp
Gas recovery ke time aap chiller ke water ko poori taarah se drain kar de aor phir aap gas recovery kare .... Primeri pump tab chalayenge jab hame gas ko wapas se charge karna hoga ...👉 Aor ha ham us cylinder ki gas ko use kar sakte hai ..👉 ek vidio hamne practical gas recovery ki vidio upload kiya hai description me link hai aap dekh sakte hai Sukriya
Sir chiller me kon sa Refrigerent use karte hain
R410
R134a
R22
R123
Sir condenser temp badhne se chiller m sound kyu aata h ? Pls ans
Centryfugal compressor hai apka
Bhai winter m chiller use karte Hain to usme kuch changes karne hote Hain
Jaise thodi bahoot thand hai to set point temp. Ko badha diya jata hai ..
Mtlab ki👉 7 digri celcius agar rahta hai to use 👉 10 digri celcius set karke chalya jata hai..
Lekin agar bahar (atmosphere) ka temp. 20 digri celcius tak rahta hai to chiller bilkul nahi chalaya jata .hai
@@c4chiller9984 okay Bhai ji thank you pr mujhe thoda confusing hain kya sirf set point Kam kr re andr heat ho jayega ya uske liye kch or b Krna hoga hmre yaha p chiller set poin 6 digree h lekin andr phir b garm rehta h thoda or Sumer m b set point 6 digree rehta h aur andr thnda hota h Sumer m to kisi or jagah se b hm kch change krte honge please apse request Hain time ho apko ko ek video 🙏🙏
Ji heating ke liye boiler use kiye jate hai .. matlab ki pani ko heat karke ahu me diya jata hai .. jisse ki jab jyada thand padti hai to wahi heat water se ahu ki air bhi heat ho jati hai ..
Please reply sir🙏
Recovery kiya hua gas wapas use kar sakte hai ya nahi?
Ji ha kar sakte hai
Sir nitrogen gas dalne ka main reason kya hota hai or age nitrogen gas nhi dalenge to kya hoga
Nitrogen gas ke through ham miner se miner leak check karte hai isliye ham system me nitrogen gas use karte hai .,...agar nitrogen gas nahi daalenge to barabar se leak ka pata nahi kar payenge
@@c4chiller9984 sir agr leak nhi mila to nitrogen gas ko bahar bhi nikalna hota hai vaccum kr k ?
Bhai chilli a c Kitna pirkar Ka Hota ha
2 typ
👉Air cooled
👉Water cooled
सर गैस रिकवरी के बाद evaporetor शैल और कंडेनसर शैल का फ्लशिंग कैसे होता है??
ji agar chiller ke shell side me gas hai to ham filter ke pass se liquid line ko open kar dete hai ... aor phir suction line se nitrogen pressure dalte hai .... 👉 aor us open line ke muh pe hath rakh ke kuch second hold karke chodenge jisse ki flash achi tarah ho jay 👍
Muja job ka jaruriha
Every where I see descaling of condensor and cooling tower but not evaporator
Evaporater ko bhi descaling kiya jata hai . But need according qki shayed apne dekha hoga ki jo bhi bactiria scale aati hai wo atmosphere temp se water temp jyada ya phir same rahta hai ,aor agar water temp atmosphere temp.se kam hai to waha par scal kabhi nahi ati hai bas isliye evaporater ko descaling nahi kiya jata hai
Sir AAP ne yeh nahi bataya mafler kahan lagaya jata hai
Suction aor discharge ke port pe
@@c4chiller9984 bhai ye mafler only reciprocating compressors me hi use hota h sound ko minimize krne ke.liye yah fir sare compressors me use hota h ???
Sir sara gass nikal denge ?
Ji ha poori gas nikalne ke baad vacuum bhi karna rahta hai
@@c4chiller9984 sir vaccume kis se karte hai
Sir at what pressure bar nitrogen fill in chiller for checking leakage
150 psi
@@c4chiller9984 sir thank you
Sir it's standard or depends upon load
150 to 200 psi standard
But depend on leakege .. qki leakege bilkul miner hai hai to apko 220 tak add karna pad sakta hai aor use 12 hour ke hold kar dijiye
@@c4chiller9984 sir 12 hr ke baad ka kya process hi sir
Suppose kariye ki apne 150 psi nitrogen add kiya kisi system me leakege check karne ke liye ... Aor phir apne 12 hour ke liye hold kar diya .. 👉aor jab aap 12 hour ke baad check Karenge pressure ko agar wo pressure 150 psi hi hai to aap system ko vaccume karke gas charge kar sakte hai ..👍
Sir ek side k pump on karenge I mean secondry pump he on karenge ya dono primary bhi sath sath on karenge..?
Ji dono pump chalane padenge
Sir gas add karne se pehle nitrogen kyun add kiya jata hai aur usse 24 hours ke liye kyun chor diya jata hai
जैसे हम साइकिल में पंचर चेक करने के लिए हवा डालते है ओर फिर उसे चेक करते है ...की कही पंचर तो नही है ...
👉ठीक उसी तरह हम चिल्लर में नाइट्रोजन प्रेसर डालते है की हम उसका लीकेज चेक कर सके ..ओर हम 24 घंटे इस लिए hold करते है की अगर बहुत हल्का लीकेज है तो 24 घंटे तक मालूम चल जाय
Sir Kiya aap ne gass charging batay hai
Mujhe uski jankari chahiye
Pls sir pls
Kya janna hai apko ?
@@c4chiller9984
Kis tarah gas bharte hai aur ek video vacuump karene ka tarika mane padha hai but sir aap jo batate hai wo maind mai ghus jata hai but ek hi video mai dono nahi batayega alg alg se video banayega sir....pls pls pls🙏🙏🙏🙏
Ji jarur .. ye mera instagram id hai apko jo bhi questions karna hai aap yaha pe kar sakte hai ..👉 kgufran195
@@c4chiller9984
Do not use Instagram
sir agar koi question puchta hai ki per kg ke according kitni gas dalti hai to kya answer hoga
Per kg ya per tr ?
@@c4chiller9984 per Tr
650 to 750 gram per tr
@@c4chiller9984 Thank you ver much sir for answer
Help karein sir
Ji ye reciprocating compresser ke suction aor discharge ke port pe lagaya jata hai taki noise na ho pate
Gas kitna kg rahata hai
kis system me ?
How much gas required for given chiller capicity? Please don't mind for asking too much question. I'm preparing for interview that's why.
Sorry and thank you
Its ok ji but don't sorry again 👍... Because Agar aap kuch learn kar rahe hai to mai apke har ek question ka answer dene ke liye ready hu .. 👍
Dekhiye refrigration ka jo formula hai wo hai 750 gram to 850 gram per TR gas charge hoti hai ।।
Ye insta id hai meri aap yaha pe questions kar sakte hai 👉 kgufran195
@@c4chiller9984 shukriya❤️
Sir apka ph no dona palace sir...🙏🙏🙏🙏
Ji aap instagram pe aa jaiye id hai 👉kgufran195
Sir aap apna number send kar dijiye
dost...ye mera instagram id hai apko Jo question hai aap yaha pe pooch sakte ho I'd 👉 kgufran195
sir app se ak sawal karna hai plz whatsapp number send kijiye mera saudi me chiller technician me kam huwa hài sir me ja sakta hu plz sir Reply fast plz
Ji ye mera Instagram id hai aap koi bhi question yaha pooch sakte hai ye id hai dost 👉 kgufran195
@@c4chiller9984 thanks sir🥰
Sir How to change compressor ke upar ek video bana dijiye
Ok ji try karenge 👍
@@c4chiller9984 Sir kya proper process hai change karne ka vo bhi bata denge enough hai. Kyuki iske upar koi video mila nahi youTube pe