Which of the following statements is in-correct ?
A) Error due to refraction may not be completely eliminated by reciprocal levelling.
B) Tilting levels are commonly used for precision work.
C) The last reading of levelling is always a foresight.
D) All of the above statements are incorrect.
Correct Answer:
Verified
Q7: With the rise of temperature, the sensitivity
Q8: Refraction correction
A)completely eliminates curvature correction
B)partially eliminates curvature
Q9: The R.L, of the point A which
Q10: As applied to staff readings, the corrections
Q11: Sensitiveness of a level tube is designated
Q13: Dumpy level is most suitable when
A)the instrument
Q14: The difference of levels between two stations
Q15: Contour interval is
A)inversely proportional to the scale
Q16: An imaginary line lying throughout the surface
Q17: The suitable contour interval for a map
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