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.Management Sciences
Category: Surveying
If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be_______________?
A. true R.L
B. more than true R.L
C. less than true R.L
D. none of the above
Agate cap is fitted with a_________________?
A. cross staff
B. level
C. chain
D. prismatic compass
In the double application of principle of reversion, the apparent error is_______________?
A. equal to true error
B. half the true error
C. two times the true error
D. four times the true error
The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be_______________?
A. equidistant from A and B
B. closer to the higher station
C. closer to the lower station
D. as far as possible from the line AB
Which of the following methods of offsets involves less measurement on the ground?
A. method of perpendicular offsets
B. method of oblique offsets
C. method of ties
D. all involve equal measurement on the ground
The rise and fall method of levelling provides a complete check on_______________?
A. backsight
B. intermediate sight
C. foresight
D. all of the above
With the rise of temperature, the sensitivity of a bubble tube______________?
A. decreases
B. increases
C. remains unaffected
D. none of the above
A series of closely spaced contour lines represents a___________________?
A. steep slope
B. gentle slope
C. uniform slope
D. plane surface
Detailed plotting is generally done by________________?
A. radiation
B. traversing
C. resection
D. all of the above
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