search
arrow-left Previous
Next arrow-right
Q: Collimation method is otherwise called :
  • A. Rise and fall method/चढ़ाव-उतार विधि
  • B. Height of instrument method उपकरण ऊँचाई विधि
  • C. Profile levelling/अनुदैर्घ्य तलेक्षण
  • D. Differential levelling/अन्तरीय तलेक्षण
Correct Answer: Option B -
answer image

Explanations:

explanation image