- (A) 45° only
- (B) 90° only
- (C) either 45° or 90°
- (D) any angle
Civil Engineering Mcqs
- (A) 30°
- (B) 45°
- (C) 60°
- (D) 90°
- (A) 4 chains
- (B) 6 chains
- (C) 120 m
- (D) 180m
- (A) 20°
- (B) 30°
- (C) 45°
- (D) 60°
- (A) incorrect levelling of the magnetic needle
- (B) loss of magnetism of the needle
- (C) friction of the needle at the pivot
- (D) presence of magnetic substances near the instrument
- (A) azimuth
- (B) declination
- (C) local attraction
- (D) magnetic bearing
- (A) W23°30’N
- (B) N66°30’W
- (C) S113°30’N
- (D) N23°30’W
- (A) the magnetic needle moves with the box
- (B) the line of the sight does not move with the box
- (C) the magnetic needle and graduated circle do not move with the box
- (D) the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction
- (A) is lighter than chain
- (B) is easier to handle
- (C) is practically inextensible and is not liable to kinks when in use
- (D) can be easily repaired in the field
- (A) ±2 mm
- (B) ±3 mm
- (C) ±5 mm
- (D) ±8 mm

