Explore topic-wise MCQs in Surveying Questions and Answers.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Surveying Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

The following notes refer to a traverse run by a tacheometer fitted with an anallactic lens, with constant 100 and staff held vertical. Line, Bearing, Vertical Angle, Staff Intercept -PQ, 30o 24′, + 5o 06′,1.875; QR, 300o 48′, + 3o 48′,1.445; RS, 226o 12′, − 2o 36′, 1.725 respectively. Find the length and bearing of SP.

A. 191.930 m, 126o 47 ′47′′
B. 190.930 m, 125o 47 ′47′′
C. 193.930 m, 124o 47 ′47′′
D. 192.930 m, 120o 47 ′47′′
Answer» B. 190.930 m, 125o 47 ′47′′
Discussion
2.

The vertical angles to vanes fixed at 1 m and 3 m above the foot of the staff held vertically at a station P were – 1o 45′ and + 2o 30′, respectively. Find the horizontal distance and the reduced RL of P if the RL of the instrument axis is 110.00 m?

A. 26.95 m, 100.177
B. 20.95 m, 108.177
C. 26.95 m, 108.177
D. 26.95 m, 108.000
Answer» D. 26.95 m, 108.000
Discussion
3.

The horizontal angle subtended at the theodolite station by a subtense bar with vanes 3 m apart is 0o 10 ′40′′. Calculate the horizontal distance between the theodolite and the subtense bar?

A. 960.00 m
B. 966.87 m
C. 966.78 m
D. 906.87 m
Answer» C. 966.78 m
Discussion
4.

A tacheometer is setup at an intermediate point on a traverse course PQ and the following observations are made on a staff held vertical. Staff Station Vertical Angle Staff Intercept Axial Hair Readings P + 9o30′ 2.250 2.105 Q + 6o00′ 2.055 1.975 The constants are 100 and 0. Compute the length PQ and the reduced level of Q. RL of P = 350.50 m.

A. 428.13 m; 335.47 m
B. 402.13 m; 335.47 m
C. 422.13 m; 305.47 m
D. 422.13 m; 335.47 m
Answer» E.
Discussion
5.

Stadia readings were taken with a theodolite on a vertical staff with the telescope inclined at an angle of depression of 3o30′. The staff readings were 2.990, 2.055 and 1.120. The reduced level of the staff station is 100.000m, and the height of the instrument is 1.40 m. What is the reduced level of the ground at the instrument? Take constants as 100 and zero.

A. 102.050 m
B. 122.050 m
C. 112.050 m
D. 132.050 m
Answer» D. 132.050 m
Discussion
6.

The two targets are at a distance s apart, and each at s/2 from the centre, i.e. vertical axis. The horizontal angle α is measured carefully by means of a theodolite. Then what is the value of D in the subtense bar method?

A. s/2α
B. s/α
C. s/4α
D. 2s/α
Answer» C. s/4α
Discussion