Page 259 - Content.pmd

YôÙdLs Utßm YôÙ EÚû[Ls ®TWm, YûL ARu Ød¡VUô]
úYßTôÓ Utßm TVuLs (Gases and gas cylinders description, kinds, main
difference and uses)

úSôdLeLs: ClTôPj§u Ø¥®p ¿eLs ùT\ úYi¥V A±Ü §\uLs
• úLv ùYp¥e¡p TVuTÓm YôÙdL°u ùYqúYß YûLL°u ùTVo áßRp.
• YôÙ _óYôûX úNoUô]eL°u ùYqúYß YûLLû[d áßRp.
• ùYqúYß YôÙ ÑYôûX«]ó úNÚRXõu ùYlTm Utßm TVuLû[d áßRp.

ùYqúYß úLv ùYp¥e Øû\L°p, ùYqúYß YôÙ ÑYôûX úNoUô]eLs/
YôÙdLs G¬Y§p CÚkÕ ùYp¥e ùYlTm LXûYLs (Different gas flame combinations)
ùT\lTÓ¡\Õ.
Bd³_u + A£h¥Xõu = Bd³ -------------A£h¥Xõu
Aû]jÕ G¬ùTôÚs YôÙdLÞdÏúU YôÙ ÑYôûX
G¬RûX FdÏ®dL Bd³_u úRûYl
Bd³_u + ûahW_u=Bd³ ûahW_u
TÓ¡\Õ.
úLv ©ú[m
G¬ùTôÚs YôÙdLs Utßm Bd³_u
Bd³_u + ¨XdL¬ YôÙ= Bd³ úLôp úLv
G¬RXõu ®û[YôL JÚ ¾ÑYôûX
©ú[m
¡ûPd¡\Õ. CÕ ùYp¥e TiÔYRtLôL
EúXôLeLû[ ùYlTlTÓjR TVuTÓ¡\Õ. Bd³_u + §WY ùThúWôXõV YôÙ
(Fig 1) YôÙ _øYôûXd LXl×L°u TVuLs
Utßm ùYlT (Temperature and uses of gas
flame combinations)

Bd³-A£h¥Xõu YôÙ ÑYôûX (oxy -
acetylene gas flame) (Fig 2)

ùYp¥e¡p TVuTÓm G¬ùTôÚs
YôÙdLs (Fuel gases used in welding)

¸rdLiP YôÙdLs ùYp¥e TiÔYRtÏ
G¬ùTôÚ[ôLl TVuTÓ¡u\].
_øYôûX ùYlT¨ûX (Flame temperature) : 3100°C
– A£h¥Xõu YôÙ to 3300°C

– ûahW_u YôÙ Bd³-------------A£h¥Xõu YôÙ ÑYôûX B]Õ,
– ¨XdL¬ YôÙ Aû]jÕ (CÚm×f NjÕs[) Utßm
CÚm×fNj§pXôR EúXôLeLs Utßm
– §WY¨ûX ùThúWôXõVm YôÙ AYt±u LXûYLs B¡VYtû\ ùYp¥e
YôÙ G¬YRtÏ ER® ׬TûY (supporter of TiÔYRtÏ, YôÙ ùYlT YôÙ®]ôp
combustion gas) ùYhÓRp, úRôi¥ GÓjRp, v¼p ©úW^õe,
ùYiLXm ùYp¥e, EúXôLj ùR°l×
Aû]jÕ YôÙdLÞúU Bd³_u ER®Vôp
Utßm ÕLs ùR°l× B¡VYtû\f ùNnVl
G¬¡u\]. G]úY CÕ ‘G¬RûX
TVuTÓ¡\Õ.
FdÏ®lTôu’ Gu\±VlTÓ¡\Õ.

238 £_õ & Gm: @©hPo (NSQF - Revised 2022) R.T. for Ex.1.4.58