The sensitivity of a bubble tube can be increased by
A) increasing the diameter of the tube
B) decreasing the length of bubble
C) increasing the viscosity of liquid
D) decreasing the radius of curvature of tube
Correct Answer:
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Q1: Which of the following errors can be
Q2: Height of instrument method of levelling is
A)more
Q3: The rise and fall method
A)is less.accurate than
Q4: If the staff is not held vertical
Q5: The difference between a level line and
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
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