Page 361 - Plumber- TT - 1st Year - Tamil
P. 361
• ùYlTj§]ôp CkR CWhûP EúXôLeLs BTu- (©¬h¥x RoUp ë²h)
EÚÏm úTôÕ úLôÓL[ôL ÑÚhPlThÓ
CqYûL ©¬h¥x HLô§Tj§V AûUl©p
ùRuTÓ¡\Õ.
ϱl©ÓYÕ
ûTúWôÁhPo: (Pyrometer)- (Fig 10)
1 JÚ TÜiÓ ¨ûW 1°F Y¯VôL
ùYlT¨ûXûV EVojÕYRtÏ úRûYVô]
Fig 10
ùYlT ùLôs[[Ü Guß
ϱl©PlTÓ¡\Õ. (58.5°F - 59.5°F) CûY
LPp UhPj§tÏ (ùUoϬ«p 30 AeÏXm)
2 1 Btu (©¬h¥x RoUu ë²h) =1055.06j =
107.6kpm = 2.93104 kwh = 0.252kcal = 778.16 ft. 1b
= 1.0551010 ergs = 252 cal = 0.293 watt-hours BÏm.
PBN2514125 LúXô¬ (Calorie)
LúXô¬ GuTÕ ùTôÕYôL ¸rdLiPT¥
A±VlTÓ¡\Õ
• RoUô GXdh¬d T«úWô ÁhPo ùYqúYß
EúXôLeL°u YVoL°u CûPúV 1 JÚ ¡Wôm GûPÙs[ ¿ûW 1°C-dÏ
Nôph¬e Øû\«p ùLôiÓ ùYlTlTÓjÕYRtÏ úRûYVô] ùYlT
A±VlTÓ¡\Õ ùLôs[[Ü
• CûY ùYlTlTÓjÕm ùRôPo× Y¯VôL 2 JÚ ¡úXô ¡Wôm GûPÙs[ ¿ûW JÚ ¥¡¬
KpúPw B]Õ EÚYôdLlTÓ¡\Õ ùNp£Vv ùYlTlTÓjÕYRtÏ
KpúPw B]Õ JVoL°u ùYlTØû] úRûYVô] ùYlT ùLôs[[Ü. CûYLs:-
Utßm NôRôWQ Ï°okR Øû] ¡úXô¡Wôm LúXô¬, ùT¬V A[®Xô]
CûPúVVô] ùYlT¨ûX úYßTôÓ LúXô¬, @×h LúXô¬, LúXô¬ (RûXl×
ùLôiÓ A±VlTÓ¡\Õ. GÝjÕ C) ApXÕ ùYßm LúXô¬ (lower
case c)Guß Ï±l©PlTÓ¡\Õ.
• RoúUôo áßLs B]Õ (Thermo couple
elements) LôoTu Utßm ©[ôh¥]m 3 1 LúXô¬ (cal) -1/860 CuPoúS`]p Yôh
ùLôiÓ RVô¬dLlThÓ aYo(wh) Guß Ï±l©PlTÓ¡\Õ.
TVuTÓjRlTÓ¡\Õ CYt±u ùYlT¨ûX
4 1k cal 4186.8J = 426.9 kpm = 1.163, 10 kwh = 3.068
3
600°C - 1600°C YûW úW¥úVô T«úWô
ft lbf = 3.9683 Btu = 1000 cal Guß A±VXôm.
ÁhPWôdL[ôL 3000°C ¥¡¬ YûW Es[
ÅhÓ ETúVôL YôhPo ÍhPo (Domestic
ùWh aôh úTXôdLô°u ùYlTm A±V
ERÜ¡\Õ. water heater): Åh¥p Ri½ûW ãPôdLÜm
CRW £±V úRûYLÞdÏm ùPôUv¥d
• CYt±u Lôu ùNuhùWh ùYlTdL§oLs
YôhPo ÍhPo TVuTÓjRlTÓ¡u\Õ. CÕ
Bl¥Lp Y«ûX Y¯VôL ùNÛj§
ªuNôWjRôp CVeÏ¡\Õ. 1500 Yôh ØRp
ùYlTjRuûU áßLs A±VlTÓ¡\Õ
3000 Yôh YûW §\u ùLôiPRôLÜm 2 ØRp
• CYt±tLô] AmÁhPo (Ammeter) ¥¡¬Ls 100 XõhPo YûW ãPôdÏm Nd§ ùTt\RôLÜm
ùNp£Vv ApXÕ ùLp®u A[ÅÓ CûY NkûRL°p ¡ûPd¡u\].
Øû\«p A±VlTÓ¡\Õ.
YôhPo ÍhPo CWiÓ §hPeL°p
ùYqúYß ùYlT AXÏL[ôp ùNVpTÓ¡\Õ. ARôYÕ AÝjRªpXôR
ùYlTUôdLLp AûUl× (Heating system by YûL Utßm AÝjR YûL.
different thermal units)
Sôu ©W`o ûPl YôhPo ÍhPo
ùYlTj§tLô] ùTôÕYô] A[ÏLs B]Õ (CuvPuh) (Non pressure type water
BTU (BTU)- ©¬h¥x Rªr ë²h Guß heater)(Instant): CkR ÍhP¬p úNªjÕ
AûZdLlTÓ¡\Õ. úUÛm CûY ùYlT ûYdÏm §\u CÚdLôÕ. Ri½o
AXÏ (Íh ë²h) Gußm Ùû]ùPh EsY¯ûVj §\kÕ EPú] ÍhPÚdÏ
vúPhv (AùU¬dLô)p AûZdLlTÓ¡\Õ. ªuNôWm ùNÛj§VÜPu ùY°YÚm
Y¯«XõÚkÕ ùYk¿o ùT\Xôm.
©[m©e þ ©[mTo (NSQF - Revised 2022) - R.T. for Ex. 1.11.107-108 341
