Page 133 - Content.pmd
P. 133
©ú[ûPÙm Utßm stock -Ùm GkRùYôÚ
JÚ ùYo²Vo vúLp ¥®`u (vernier scale AûUÜ ùNnRôÛm, ÏßeúLôQm (acute angle)
division)(VSD) (Fig 2) Utßm Nl°ùUiP¬ AlPv Be¡s (obtuse
angle) CWiûPÙúU Yô£lTÕ Nôj§VúU.
ùYo²Vo ùTYp ×WPdP¬u Ävh
ùLüih (The least count of the vernter bevel PVp úUp CÚdÏm ùYo²Vo vúLp
protractor) ¡WôËúY`uL°u CWiÓ AûUl×Ls
CRû]l ùT\ ERÜ¡\Õ. (Fig 3)
ùYo²Vo vúLXõu éwVm (zero) ùU«u
vúLXõu éwVjÕPu CûQk§ÚdÏm
úTôÕ ùYo²Vo vúLXõu ØRp ©¬Ü
CWiPôYÕ ùU«u vúLp ¥®`àdÏ
ªLÜm AÚLôûU«p ùSÚdLUôL CÚdÏm
(Fig 2)
G]úY Ävh ùL[ih (least count) B]Õ
2 MSD - 1 VSD
ARôYÕ (i.e.) ƒvhùLüih (least count) = 2°
Ù²YoNp ùTYp lWhWdPûW Ã¥e ùNnRp (Reading of universal bevel
protractor)
úSôdLeLs: ClTôPj§u Ø¥®p ¿eLs ùT\ úYi¥V A±Ü §\uLs
• ÏßeúLôQ AûU®p (acute angle setting) ùYo²Vo ùTYp ×WPdPûW (read TiÔRp)
• ®¬úLôQ AûU®p (obtuse angle setting) ùYo²Vo ùTYp ×WPdPûW read TiÔRp.
ÏßeúLôQ AûUlûT TôoûY«ÓRp ùU«u vúLXõu GkRùYôÚ ¥®`ú]ôÓ,
Utßm AûUjRp (For reading acute angle set ùYo²Vo vúLXõu úLôÓLs CûQ¡\úRô
up) (Fig 1) ARû]d ϱjÕd ùLôiÓ ARu U§lûT
¨ªPj§p ¾oUô²dLÜm. (Fig 2)
ØRXõp ùU«uvúLXõu éwVj§tÏm,
Utßm ùYo²Vo vúLp éwVj§tÏm ùYo²Vo vúLp Ã¥e GÓlTRtÏ, coincide
CûP«Xô] ØÝ ¥¡¬dL°u BÏm ¥®NuLû[ Ävh ùLüiÓPu
Gi¦dûLûV TôoûY«PÜm. (Fig 1) ùTÚdLÜm (multiply with least count)
£_õ & Gm: @©hPo (NSQF - Revised 2022) R.T. for Ex.1.2.36
112
