# For a tacheometer the additive and multi-plying constants are respectively

A. 0 and 100

B. 100 and 0

C. 0 and 0

D. 100 and 100

**Answer: Option A **

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Related Questions on Surveying

**The error due to eccentricity of inner and outer axes can be eliminated by**

A. reading both verniers and taking the mean of the two

B. taking both face observations and taking the mean of the two

C. double sighting

D. taking mean of several readings distributed over different portions of the graduated circle

**The time interval between successive transits of the moon, is**

A. 24 hours 10 minutes

B. 20 hours 25 minutes

C. 24 hours 50 minutes

D. 23 hours 50 minutes

A. the forebearing of AB and back bearing of AB differ by 180°

B. the forebearing of AB and back bearing of BA differ by 180°

C. both (A) and (B) are correct

D. none is correct

D = ks + c

c=additive ; usually = 0

k=multiply ; usually = 100