Top 350+ Solved Surveying MCQ Questions Answer
Q. When the length of chain used in measuring distance is longer than the standard length, the error in measured distance will be
a. positive error
b. negative error
c. compensating error
d. none of these
Q. To find the true difference of level between two points, the level should be kept
a. at either of the two points
b. exactly midway between the two points
c. at any point on the line joining the two points
d. none of the above
Q. A line joining the optical centre of the object glass and the centre of the eye piece, is known as
a. fundamental line
b. axis of telescope
c. axis of level tube
d. line of collimation
Q. When R is the radius of the curve (in metres), D is the degree of curve (in degrees) and length of the chord is 30 m, then the relation between R and D is
a. R = 1520/D
b. R = 1720/D
c. R = 4500/D
d. R = 5400 / D
Q. The magnetic bearing of a line is S 35? 30' E and the magnetic declination is 4? 10' east. The true bearing of a line will be
a. S 31? 30' E
b. S 31? 30' W
c. S 39? 50' E
d. S 38? 50' W
Q. When the angular mesurements of a traverse are more precise than the linear measurements, the balancing of a traverse is done by
a. transit rule
b. empirical rule
c. Bowditch's rule
d. any one of these
Q. The error which is not completely eliminated in reciprocal levelling, is
a. error due to curvature
b. error due to refraction
c. error due to non-adjustment of the line of collimation
d. error due to non-adjustment of bubble tube
Q. The contour interval depends upon the
a. nature of the ground
b. scale of map
c. purpose and extent of survey
d. all of these
Q. The difference is length between the arc and the subtended chord on the surface of the earth for a distance of 18.2 km is only
a. 10 mm
b. 30 mm
c. 50 mm
d. 100 mm
Q. The image formed by the objective in the plane of cross hairs is
a. real and straight
b. real and inverted
c. virtual and straight
d. virtual and inverted
Q. The vertical distance between any two consecutive contours is called
a. vertical equivalent
b. horizontal equivalent
c. contour interval
d. contour gradient