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LAKSHAY CHAHAL

· started a discussion

· 1 Months ago

Orientation is correct (Question: 138595.0 )

https://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=13&cad=rja&uact=8&ved=0ahUKEwjLwtPo0e3YAhVDnZQKHaDCC14QFghfMAw&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FAlidade&usg=AOvVaw1mt4nina0JiXib5EDYhjhO

Question:

An alidade is used in plane table surveying for

Options:
A) Centering
B) orientation
C) drawing lines
D) none of these
Solution:

Ans: (c) Alidade is an instrument with a sighting vane and a steel ruler used for drawing lines on the drawing sheet by sighting through cross hair.

Knowledge Expert

· commented

· 1 Months ago

Dear student,
Given answer is correct,
The alidade is a ruler with a sight line attached and is used on the plane table for bisecting the object, drawing rays, direction lines, etc

Best wishes
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