Top 350+ Solved Surveying MCQ Questions Answer

From 301 to 315 of 492

Q. in measuring horizontal angles, the theodolite should be turned

a. clockwise from the forward station to the back station

b. clockwise from the back station to the forward station

c. anticlockwise from the forward station to the back station

d. anticlockwise from the back station to the forward station

  • b. clockwise from the back station to the forward station

Q. According to Lehman's rule of plane tabling

a. the distance to the point sought from each of the three rays is proportional to the distance of the three known points from the instrument station

b. when the instrument station is outside the great circle, the point sought is always on the same side of the ray drawn to the most distant point as the intersection of the other two rays

c. when looking in the direction of the reference points, the point sought is on the same side of each of the three rays

d. all of the above

  • d. all of the above

Q. The brightness of the image

a. is directly proportional to

b. is inversely proportional to

c. varies directly as the square of

d. varies inversely as the square of

  • d. varies inversely as the square of

Q. An angle between the inclined line of sight and the horizontal is called

a. direct angle

b. vertical angle

c. horizontal angle

d. deflection angle

  • b. vertical angle

Q. The horizon glass in an optical square is

a. wholly silvered

b. wholly unsilvered

c. one-fourth silvered and three-fourth unsilvered

d. half silvered and half unsilvered

  • d. half silvered and half unsilvered

Q. In a prismatic compass, the zero of the graduated ring is located at

a. north end

b. south end

c. east end

d. west end

  • b. south end

Q. When the centres of the arcs lie on the opposite sides of the common tangent at the junction of the two curves, it is known as a

a. simple curve

b. vertical curve

c. compound curve

d. reverse curve

  • d. reverse curve

Q. The contour interval

a. should be constant

b. need not be constant

  • a. should be constant

Q. When several contours coincide, it indicates

a. a vertical cliff

b. a valley

  • a. a vertical cliff

Q. The instrument, belonging to a class of reflecting instrument, is

a. line ranger

b. box sextent

c. prismatic compass

d. all of these

  • d. all of these
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