Page 29 - Electrician -1st Year - TT

TYo (Power) T«t£ 1.1.04 & 05 dLô] ùRôPo× LÚj§Vp
GXdh¬μVu (Electrician)þ TôÕLôl× T«t£ Utßm ûLdLÚ®Ls (Safety
Practice and Hand Tools)

¾ þ YûLLs þ ¾VûQlTôuLs (Fire - Types - Extinguishers)

úSôdLeLs: ClTôPj§u Ø¥®p ¿eLs ùT\ úYi¥V A±Ü §\uLs
• ¾lTt±d ùLôsYRôp HtTÓm ®û[ÜLs Tt± ®[dÏRp
• T¦Uû]L°p ¾lTt±d ùLôsYRtLô] LôWQeLs Tt± ®[dÏRp Scan the QR Code
to view the video
• ¾lTt±d ùLôsYûRj RÓlTRtLôL ùTôÕYôL LûPl©¥dLlTÓm
for this exercise
Øuù]fN¬dûL SPY¥dûLLs Tt± ®[dÏRp
• TpúYß ¾VûQlTôuLû[l Tt±d áßRp
• ¾«u YûLLû[Ùm, AYtû\ AûQlTRtLô] A¥lTûP Y¯Lû[Ùm áßRp
• ¾«u YûLLÞdÏ HtT N¬Vô] YûL ¾VûQlTôû] ¾oUô²jRp.

¾ (Fire): ¾ûV RÓlTÕ GuTÕ CVÛUô? (Is it • AûQjRp (Smothering): UQp ApXÕ
possible to prevent fire?) CVÛm. ¾l©¥lTRtÏ ÖûW«û]l TVuTÓj§ ¾ G¬Vd
LôWQUôn AûU¡u\ êuß LôW¦Lû[ LôWQUô] ©WôQYôÙûY (oxygen)
ALtßYRu êXm ¾«û]j RÓdLXôm. ¾ Ru²ûXlTÓjÕRp.
ùRôPokÕ G¬YRtÏ LôWQUôn Es[
• Ï°Wf ùNnRp (Cooling): ¿ûWl
êuß LôWQeLÞm ¸úZ ùLôÓdLl
TVuTÓj§ ùYlT¨ûXûVd Ïû\jRp.
ThÓs[] (Fig 1).
CkRd LôW¦L°p HRôYÕ Juû\
¿dÏYRu êXUôLj ¾ûV
AûQdLXôm.
¾«u YûLLs (Classification of fires) :
G¬ùTôÚ°u RuûUûV ùTôÚjÕ ¾Vô]Õ
SôuÏ YûLL[ôL ©¬dLlThÓs[Õ.
UôßThP ¾«û] AûQdL UôßThP
G¬ùTôÚs (Fuel): Bd³_u Utßm EVo
Øû\Lû[Ùm ¾VûQdÏm
ùYlT¨ûX CÚkRôp GkR JÚ ùTôÚÞm ETLWQeLû[Ùm TVuTÓjR úYiÓm. (Fig
G¬¡\Õ. 2, 3, 4 Utßm 5).

ùYlTm (Heat) : JqùYôÚ G¬ùTôÚÞm JÚ
¾VûQlTôuL°u YûLLs (Types of fire
ϱl©hP ùYlT¨ûX«p G¬Vj
extinguishers)
ùRôPe¡®Óm. AÕ AkR G¬ùTôÚ°u
RuûUûVl ùTôÚjÕ UôßTÓ¡\Õ. §P TXYûLVô] ¾«ûQ AûQlTRtÏ
TXRWlThP ¾VûQdÏm ùTôÚhLû[d
Utßm §WYl ùTôÚhLû[
ùLôiP ¾VûQl× LÚ®Ls Es[].
ùYlTlTÓjÕ¡\úTôÕ HtTÓ¡u\
(Fig 6)
B®Vô]Õ ¾lTt± G¬¡u\Õ. £X
§WYeLû[ ùYlTlTÓjR úYi¥V§pûX. ¿o ¨WlTlThP ¾VûQlTôuLs (Water-
filled extinguishers) : C§p CWiÓ YûLVô]
Bd³_u (Oxygen) : CÕ Lôt±Ûs[ YôÙ,
TVuTôÓLs Es[]. (Fig 7)
¾ûV G¬Vf ùNnYRtÏ úRûYVô]Õ.
• YôÙ ¨WlTlThP YûL (Gas cartridge type)
¾ûV AûQjRp (Extinguishing of fire): úUúX
ϱl©hÓs[ 3 LôW¦Lû[Ùm • úNL¬dLlThP AÝjR YûL (Stored pressure
©¬jùRÓlTÕ ApXÕ Ru²ûXl type)
TÓjÕYRu êXm ¾«û] Aû]dLXôm.
AkR CÚYûL Øû\L°Ûm úRûYlTPôR
CRtÏ 3 Ød¡V A¥lTûP Y¯Ls Es[].
úSWeL°p Sôm RûP«û] HtTÓjÕYRu
• vPôo®e (Starving): ¾ G¬YRtÏ êXUôL úRûYVt\ Øû\«p ¿o ®ûWVm
LôWQUô] G¬ùTôÚû[ ALtßRp. BYûRj RÓdLXôm.

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