Surveying and Levelling

Question No. 01

To avoid large centering error with very short legs, observations are generally made
(A) To chain pins
(B) By using opticalsystem for centering the theodolite
(C) To a target fixed on theodolite tripod on which theodolite may be fitted easily
(D) All the above
Answer: Option C

Question No. 02

Different grades are joined together by a
(A) Compoundcurve
(B) Transitioncurve
(C) Reversecurve
(D) Vertical curve
Answer: Option D

Question No. 03

Which of the following methods of theodolite traversing issuitable for locating the details which
are far away from transit stations?
(A) Measuring angle and distance from one transitstation
(B) Measuring anglesto the point from at least two stations
(C) Measuring angle at one station and distance fromother
(D) Measuring distance from two points on traverse line
Answer: Option B

Question No. 04

The line of collimation method of reduction of levels, does not provide a check on
(A) Intermediatesights
(B) Fore sights
(C) Back sights
(D) Reduced levels
Answer: Option A

Question No. 05

Which of the following methods of contouring is mostsuitable for a hilly terrain?
(A) Directmethod
(B) Squaremethod
(C) Cross-sectionsmethod
(D) Tachometricmethod
Answer: Option D

Question No. 06

The chord of a curve lessthan peg interval, is known as
(A) Small chord
(B) Sub-chord
(C) Normal chord
(D) Short chord
Answer: Option B

Question No. 07

The size of a plane table is
(A) 750 mm × 900 mm
(B) 600 mm × 750 mm
(C) 450 mm × 600 mm
(D) 300 mm × 450 mm
Answer: Option B

Question No. 08

If the reduced bearing of a line AB is N60°W and length is 100 m, then the latitude and departure
respectively of the line AB will be
(A) +50 m, +86.6 m
(B) +86.6 m, -50 m
(C) +50 m, -86.6 m
(D) +70.7 m, -50 m
Answer: Option B

Question No. 09

A lemniscate curve between the tangents will be transitional throughout if the polar deflection
angle of its apex, is
(A) ∆/2
(B) ∆/3
(C) ∆/4
(D) ∆/6
Answer: Option D

Question No. 10

Contour interval is
(A) Inversely proportional to the scale of the map
(B) Directly proportional to the flatness of ground
(C) Largerfor accurate works
(D) Larger if the time available is more
Answer: Option A