Surveying MCQs
Ranging is an operation of
A) reconnaissance
B) judging the distance
C) determination of slope
D) establishing intermediate points between terminals
Check Answer
D) establishing intermediate points between terminals
The staff intercept will be
A) greater farther off the staff is held
B) smaller, farther off the staff is held
C) smaller, nearer the staff is held
D) same, wherever the staff is held
Check Answer
B) smaller, farther off the staff is held
Horizontal distances obtained tacheometerically are corrected for
A) slope correction
B) temperature correction
C) refraction and curvature correction
D) all the above
Check Answer
C) refraction and curvature correction
An imaginary line lying throughout on the surface of the earth and preserving a constant inclination to the horizontal, is called
A) contour line
B) contour gradient
C) level line
D) line of gentle scope
Check Answer
B) contour gradient
An angles of 45° with a chain line may be set out with
A) optical square
B) open cross staff
C) Fench cross staff
D) prismatic square
Check Answer
C) Fench cross staff
In horizontal angles, the error due to imperfect levelling of the plate bubble is
A) large when sights are nearly level
B) large for long sights
C) less for steeply inclined sights
D) large for steeply inclined sights
Check Answer
D) large for steeply inclined sights
The angle of intersection of a contour and a ridge line, is
A) 30°
B) 45°
C) 60°
D) 90°
Check Answer
D) 90°
The curvature of the earth’s surface, is taken into account only if the extent of survey is more than
A) 100 sq km
B) 160 sq km
C) 200 sq km
D) 260 sq km
Check Answer
D) 260 sq km
In chain surveying, perpendiculars to the chain line, are set out by
A) a theodolite
B) a prismatic compass
C) a level
D) an optical square
Check Answer
D) an optical square
The boundary of water of a still lake, represents
A) level surface
B) horizontal surface
C) contour line
D) a concave surface
Check Answer
C) contour line
