For accurate levelling __________ is attached inside telescope in an automatic level.(a) Alinometer(b) Compensator(c) Cross hairs(d) Double lensI had been asked this question in examination.The above asked question is from Equipments Used in Levelling topic in section Basic Surveying of Basic Civil Engineering

For accurate levelling __________ is attached inside telescope in an a

1.	For accurate levelling __________ is attached inside telescope in an automatic level.(a) Alinometer(b) Compensator(c) Cross hairs(d) Double lensI had been asked this question in examination.The above asked question is from Equipments Used in Levelling topic in section Basic Surveying of Basic Civil Engineering
Answer» CORRECT CHOICE is (b) Compensator The best I can explain: Compensator is also CALLED STABILIZER. It consists of 2 fixed prisms and it creates an optical path between eye piece and OBJECTIVE. It results in exact positioning of the line of sight due to gravity.

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