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60 SECONDS (60") = 1MINUTE (1')
60 MINUTES (60') = 1 DEGREE OF ARC (1°)

N¬ûYd ϱl©Óm ®ReLs ¸rd
ϱl©hÓs[ûYLû[l ùTôÚjÕs[Õ.
- N¬®u ùSÓkRuûU (steepness of the tapers)

- A[k§Pd ûLVôÞm Øû\ (method adopted
for measuring) (Fig 4 & 5)
N¬ûYd ϱlÀÓ ùNnRp (Specification of)
tapers

YûWTPj§p N¬ûYd ϱlÀÓ ùNnÙm
ùTôÝÕ AÕ ¸rdLiPYtû\d LôhP
þ Rô]ôLúY ©¥jÕd ùLôsÞm N¬ÜLs
úYiÓm.
þ Rô]ôLúY ®Ó®jÕd ùLôsÞm N¬ÜLs
N¬®u úLôQm
TôLj§u A[Ü (Figs 6,7, 8 & 9) Rô]ôLúY ©¥jÕd ùLôsÞm N¬ÜLs
(Self-holding tapers)
¨ûXVô] N¬ÜLs
Rô]ôLúY ©¥jÕd ùLôsÞm N¬ÜLs
LÚ®Lû[l ©¥dÏm N¬ÜLs Ïû\Yô] N¬Üd úLôQjûRl ùTt±ÚdÏm.

CVk§Wj§p LÚ®Lû[l ©¥dL CWiÓ CûYLs, Ut\ éhÓm ETLWQeLs
YûLVô] N¬ÜLs TVuTÓ¡u\]. CpXôUúXúV ¥¬pLs, ÃUoLs úTôu\
ùYhÓd LÚ®Lû[l ©¥jÕd ùLôs[Üm
CVdLÜm TVuTÓ¡u\]. (Fig10)

£_õ & Gm: @©hPo (NSQF - Revised 2022) R.T. for Ex.1.7.106 417