Page 59 - Plumber- TT - 1st Year - Tamil

Fig 12 Fig 15

No@úTv úLwL°u YûLLs (Types of
surface ganges)
CkR YûL LôXõlToL°u úYß ùTVo
L[ôY] ¨ûXVô] Utßm Ù²YoNp (universal) G]
CWiÓ YûLVôL No@úTv úL_v
• ùaoUô@lúWôûPh LôXõlToLs
(hermophrodite calipers) v¡ûW©e ©[ôdv (scribing blocks) Es[].
• ùXd Utßm Tô«ih LôXõlToLs (leg and No@úTv úLw þ @©d^h YûL (Suface
point calipers) gauge - fixed type) (Fig 16)

• Bh ùXd LôXõlTo (odd leg caliper)
Fig 16
No@úTv úLwLs (Surface gauges)
No@úTv úLw (surface gauge) B]Õ
¸rLiPYt±tÏl TVuTÓm ªLf
NôRôWQUô] ϱ«Óm LÚ® (marking tool)
BÏm.
úPhPm TWl©tÏ (datum surface) CûQVôL
úLôÓLs YûWV. (Fig 13)

Fig 13

úPhPm TWl©tÏ CûQVôL ùUμuL°p
T¦l ùTôÚû[ AûUÜ ùNnV (Fig 14)
@©d^h YûL No@úTv úLw, JÚ L]Uô]
Fig 14 RhûPVô] A¥lTôLm Utßm ùNeÏjRôL
ùTôÚjRlThÓs[ v©i¥p, AkR
v©i¥Xõp CûQdLlThÓs[ v¡ûWTo
Utßm AkR v¡ûWTÚPu JÚ v]d (snug)
Utßm JÚ ¡[ôml Sh CûYLû[d
ùLôi¥ÚdÏm.

T¦lùTôÚ°u CûQj RuûU Utßm
EVWjûRf úNô§lTRtÏm, ùUμu
v©i¥ÛdÏ concentric BLl T¦l
ùTôÚû[ AûUÜ TiQ (Fig 15)

©[m©e þ ©[mTo (NSQF - Revised 2022) - R.T. for Ex. 1.3.13 39