A. decreases
B. increases
C. remains unaffected
D. none of the above
Related Mcqs:
- 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 - If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference to_________________?
1. altitude bubble on index frame
2. altitude bubble on index frame if it is to be used as a level
3. altitude bubble on telescope
4. altitude bubble on telescope if it is to be used as a level
The correct answer is?A. only (1)
B. both (1) and (4)
C. only (3)
D. both (2) and (3) - The rise and fall method of levelling provides a complete check on_______________?
A. backsight
B. intermediate sight
C. foresight
D. all of the above - The rise and fall method_______________?
A. is less.accurate than height of instrument method
B. is not suitable for levelling with tilting levels
C. provides a check on the reduction of intermediate point levels
D. quicker and less tedious for large number of intermediate sights - The correction for sag is_________________?
A. always additive
B. always subtractive
C. always zero
D. sometimes additive and sometimes subtractive - In the quadrantal bearing system, a whole circle bearing of 293° 30′ can be expressed as______________?
A. W23°30’N
B. N66°30’W
C. S113°30’N
D. N23°30’W - Theodolite is an instrument used for_________________?
A. tightening the capstan-headed nuts of level tube
B. measurement of horizontal angles only
C. measurement of vertical angles only
D. measurement of both horizontal and vertical angles - Which of the following errors can be neutralised by setting the level midway between the two stations ?
A. error due to curvature only
B. error due to refraction only
C. error due to both curvature and re-fraction
D. none of the above - In direct method of contouring, the process of locating or identifying points lying on a contour is called_______________?
A. ranging
B. centring
C. horizontal control
D. vertical control - If in a closed traverse, the sum of the north latitudes is more than the sum of the south latitudes and also the sum of west departures is more than the sum of the east departures, the bearing of the closing line is in the________________?
A. NE quadrant
B. SE quadrant
C. NW quadrant
D. SW quadrant
