SURVEYING MCQS SET 05

SURVEYING MCQS SET 05

1. For a closed traverse the omitted measurements may be calculated
A. length of one side only
B. bearing of one side only
C. both length and bearing of one side
D. length or bearing of adjacent side
E. all the above.
Answer: Option E
 

2. The slope correction for a length of 30 m along a gradient of 1 in 20, is
A. 3.75 cm
B. 0.375 cm
C. 37.5 cm
D. 2.75 cm.
Answer: Option A
 

3. The main principle of surveying is to work
A. from part to the whole
B. from whole to the part
C. from higher level to the lower level
D. from lower level to higher level.
Answer: Option B
 

4. For the construction of highway (or railway)
A. longitudinal sections are required
B. cross sections are required
C. both longitudinal and cross sections are required
D. none of these.
Answer: Option C
 

5. If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed.
A. R/10
B. R/15
C. R/20
D. R/25.
Answer: Option C
 

6. The sensitiveness of a level tube decreases if
A. radius of curvature of its inner surface is increased
B. diameter of the tube is increased
C. length of the vapour bubble is increased
D. both viscosity and surface tension are increased.
Answer: Option D
 

7. For true difference in elevations between two points A and B, the level must be set up
A. at any point between A and B
B. at the exact mid point of A and B
C. near the point A
D. near the point B.
Answer: Option B
 

8. ABCD is a regular parallelogram plot of land whose angle BAD is 60°. If the bearing of the line AB is 30°, the bearing of CD, is
A. 90°
B. 120°
C. 210°
D. 270°
Answer: Option C
9. Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than
A. 30 m
B. 25 m
C. 20 m
D. 15 m
Answer: Option B
 

10. Pick up the correct statement from the following :
A. Box sextant is used for the measurement of horizontal angles
B. Cross staff is used for setting out right angles
C. Gradiometer is used for setting out any required gradient
D. Line ranger is used for locating intermediate stations on a survey line
E. All the above.
Answer: Option E