metro 2
TRANSCRIPT
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M E T R O L O [ K O O B E Z B E D U V A W E
1.LIBELA
-N u l t a t o ~ k a
-O s e t l i v o s t n a l i b e l a t a
; p- vrednost na parsot R- radius na zakrivenost na
libeli- nata povr{ina
*Odreduvawe na osetlivosta na egzaminator
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*Odreduvawe na osetlivosta po metodot na Komstok
i- nagib na libelinata oska- nevertikalnost na alhidadnata oskau- agol pome|u vizurnata ramnina i vertikalna-ta ramnina koja ja sodr`i alhidadnata oska i stoi upravno na obrtnata oska
(1)
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uslovi:
(4) (3)
od (5) i (7) sledi:
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-P r e c i z n o s t n a l i b e l a t a
s- broj na serii
2. A L H I D A D A
-P r a v i l n o s t n a d v i ` e w e n a
a l h i d a d a t a
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Z- zenitV- prodor na alhidadnata oskaU- prodor na libelinata oskaU0- prodor na libelinata oska koga taa le`i vo ramninata na golemiot krug VZU0
ZU=90+i - zenitsko rastojanie na libel. oskaVU=90+p - agol pome|u libel. i alhid. oska
- ~itawe na hor. limb koga libel. oska e vo polo`ba CU
- ~itawe na hor. limb koga libel. oska e vo polo`ba CU0
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- nagib na alhidadnata oska
VZU
- mali agli
zamena:
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ocena na to~nost:
-O d r e d u v a w e e k s c e n t r i c i t e t n a a l h i d a d a t a
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od slikata sledi:
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- E k s c e n t r i c i t e t n a v i z u r a t a
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-K o l i m a c i j a
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TZT1
-N a g i b n a o b r t n a t a o s k a
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tzt1 i t1pt
-N a g i b n a a l h i d a d n a t a o s k a
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P1k1k
-Zaedni~ko odreduvawe na nehorizontalnosta na obrtnata oska, kolimacijata i ekscentri- citetot na vizurata
*Kolimacija
*Nehorizontalnost na obrtnata oska
*Nevertikalnost na alhidadnata oska
*Ekscentricitet na vizurata
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smena:
ocena na to~nost:
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3. OPTI^KI MIKROMETAR
-Run na opti~kiot mikrometar
- nominalen broj na podelkite na opti~kiot mikrometar
- aglovna vrednost na najmalata podelka na limbot
- aglovna vrednost na najmalata podelka na
opti~kiot mikrometar -~itawe na mikrometarot pri koencidencija
na so -~itawe na mikrometarot pri
koencidencija na so -~itawe na mikrometarot pri
koencidencija na so
-broj na podelki na opti~kiot mikro-
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metar pri premin od pomalata do po-
golemata sosedna crta na limbot
- run na opti~kiot mikrometar
-Odreduvawe sistematski gre{ki na opti~kiot mikrometar
- uslovno to~na (etalonska) vrednost- mereni vrednosti
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-Ispituvawe na vkupnite gre{ki na opti~kiot mikrometar
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-gre{ka vo dol`inata od instrumentot do letvata-neupravnost me|u letvata i vizurata-nehorizontalnost na letvata-gre{ki vo podelbata na letvata-gre{ki od vizirawe i koencidirawe
*Mrtov od (pat) na vijokot za koencidirawe
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