Surveying and Levelling MCQS (NO 02)

Surveying and Levelling MCQS (NO 02)

1 The 'fix' of a plane table from three known points, is good, if ?

A Middle station is nearest
B) Middle station is farthest
C) Either the right or left station is nearest
D) None of these

... Answer is A )
The 'fix' of a plane table from three known points, is good, if is " Middle station is nearest "

2 Deviation of the actual road gradient from the proposed contour gradient uphill side, involves ?

A) ) Embankment on the centre line
B) Excavation on the centre line
C) Earth work on the centre line
D) None of these

... Answer is B )
Deviation of the actual road gradient from the proposed contour gradient uphill side, involves is " Excavation on the centre line "

3 The angle of intersection of a contour and a ridge line, is ?

A) 30°
B) 45°
C) 60
D) 90°

... Answer is D )
The angle of intersection of a contour and a ridge line, is “90° "

4 Removal of parallax, may be achieved by focusing ?

A) ) The objective
B) The eye-piece
C) The objective and the eye-piece
D) None of these

... Answer is C )
Removal of parallax, may be achieved by focusing is " The objective and the eye-piece "

5 A back sight ?

A) Is always taken on a point of known elevation or can be computed
B Is added to the known level to obtain the instrument height
C) Taken on an inverted staff is treated as negative
D) All the above

... Answer is D )
A back sight is " All the above"

6 For preparation of a contour plan for a route survey ?

A) Method of squares is used
B) Method of trace contour is used
C) Method of cross profile is used
D) Indirect method of contouring is used

... Answer is C )
For preparation of a contour plan for a route survey " Vertical control "

7 Geodetic surveying is undertaken ?

A) For production of accurate maps of wide areas
B) For developing the science of geodesy
C) Making use of most accurate instruments and methods of observation
D) All the above

... Answer is D )
Geodetic surveying is undertaken " All the above "

8 A well conditioned triangle has no angle less than ?

A) 20°
B) 30°
C) 45°
D) 60°

... Answer is B )
A well conditioned triangle has no angle less than " 30° "

9 Ranging in chain survey means ?

A) Looking at an isolated point not on the line
B) Establishing an intermediate point on the line
C) Determining the distance between end points
D) Determining the offset distance

... Answer is B )
9 Ranging in chain survey means ” Establishing an intermediate point on the line "

10 An ideal transition curve is ?

A) Cubic parabola
B) Cubic spiral
C) Clothoid spiral
D) True spiral

... Answer is C )
An ideal transition curve is “ Clothoid spiral "