Top 350+ Solved Surveying MCQ Questions Answer
Q. The object of introducing a transition curve at each end of the circular curve is
a. to obtain a gradual increase of curvature from zero at the tangent point to the specified quantity at the junction of the transition curve with the circular curve
b. to provide a satisfactory means of obtaining a gradual increase of super-elevation from zero on the tangent point to the specified amount on the main circular curve
c. to accomplish gradually the transition from the tangent to the circular curve and from the circular curve to the tangent
d. all of the above
Q. Which of the following errors can be neutralised by setting the level midwaybetween 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
Q. Height of instrument method of levelling is
a. more accurate than rise and fall method
b. less accurate than rise and fall method
c. quicker and less tedious for large number of intermediate sights
d. none of the above
Q. 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
Q. If the staff is not held vertical at a level¬ling station, the reduced level calculatedfrom 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
Q. The difference between a level line and a horizontal line is that
a. level line is a curved line while hori-zontal line is a straight line
b. level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line
c. horizontal line is normal to plumb line while level line may not be normal to the plumb line
d. both are same
Q. 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
Q. With the rise of temperature, the sensitivity of a bubble tube
a. decreases
b. increases
c. remains unaffected
d. none of the above
Q. Refraction correction
a. completely eliminates curvature correction
b. partially eliminates curvature correction
c. adds to the curvature correction
d. has no effect on curvature correction
Q. Sensitiveness of a level tube is designated by
a. radius of level tube
b. length of level tube
c. length of bubble of level tube
d. none of the above
Q. Which of the following statements is in-correct ?
a. Error due to refraction may not be completely eliminated by reciprocal levelling.
b. Tilting levels are commonly used for precision work.
c. The last reading of levelling is always a foresight.
d. All of the above statements are incorrect.