SURVEYING MCQS SET 06

SURVEYING MCQS SET 06

1. An ideal transition curve is
A. cubic parabola
B. cubic spiral
C. clothoid spiral
D. true spiral.
Answer: Option C
 

2. Pantagraph is used for
A. measuring distances
B. measuring areas
C. enlarging or reducing plans
D. setting out right angles
Answer: Option C
 

3. If the angular measurements of a traverse are more precise than its linear measurements, balancing of the traverse, is done by
A. Bowditch's rule
B. Transit rule
C. Empirical rule
D. all of the above.
Answer: Option B
 

4. The branch of surveying in which both horizontal and vertical positions of a point, are determined by making instrumental observations, is known
A. tacheometry
B. tachemetry
C. telemetry
D. all the above.
Answer: Option D
5. In levelling operation
A. when the instrument is being shifted, the staff must not be moved
B. when the staff is being carried forward, the instrument must remain stationary
C. both (a) and (b)
D. neither (a) nor (b).
Answer: Option C
 

6.  If the rate of gain of radial acceleration is 0.3 m per sec3 and full centrifugal ratio is developed. On the curve the ratio of the length of the transition curve of same radius on road and railway, is
A. 2.828
B. 3.828
C. 1.828
D. 0.828.
Answer: Option A
 

7. The angle between two plane mirrors of optical square, is
A. 20°
B. 30°
C. 45°
D. 60°
E. 90°.
Answer: Option C
 

8. The latitude of a traverse leg is obtained by multiplying its length by
A. tangent of its reduced bearing
B. sign of its reduced bearing
C. cosine of its reduced bearing
D. cosecant of its reduced bearing.
Answer: Option C
 

9. For a curve of radius 100 m and normal chord 10 m, the Rankine's deflection angle, is
A. 0°25'.95
B. 0°35'.95
C. 1°25'.53
D. 1°35'.95
E. 2°51'.53.
Answer: Option E
 

10. A uniform slope was measured by the method of stepping. If the difference in level between two points is 1.8 m and the slope distance between them is 15 m, the error is approximately equal to
A. cumulative, + 0.11 m
B. compensating, ± 0.11 m
C. cumulative, - 0.11 m
D. none of these
Answer: Option A