1. A fixed point of reference of known elevation is called ?

change point

station point

bench mark

datum

Answer: bench mark

Explanation:


2. The error in measured length due to incorrect holding of chain is ?

compensating error

cumulative error

instrumental error

negative error

Answer: compensating error

Explanation:


3. The limiting length of the offset is............. when its perpendicular direction is set out by eye ?

5 m

10 m

15 m

20 m

Answer: 15 m

Explanation:


4. A reverse curve consists of ?

a single curve of a circle connecting two straights

two arcs of different radii bending in the same direction

two arcs of equal radii bending in the same direction

two arcs of equal or different radii bending in the opposite directions

Answer: two arcs of equal or different radii bending in the opposite directions

Explanation:


5. In order to determine the natural features such as valleys, rivers, lakes etc., the surveying preferred is ?

city surveying

location surveying

cadastral surveying

topographical surveying

Answer: topographical surveying

Explanation:


6. The vertical distance above or below the datum is called ?

reduced level of the point

elevation of the point

height of the instrument

either (a) or (b)

Answer: either (a) or (b)

Explanation:


7. The index glass in an optical square is ?

wholly silvered

wholly unsilvered

one-fourth silvered and three-fourth unsilvered

half silvered and half unsilvered

Answer: wholly silvered

Explanation:


8. The rise and fall method for obtaining the reduced levels of points provides a check on ?

fore sights only

back sights only

intermediate sights only

all of these

Answer: all of these

Explanation:


9. An angle made by a survey line with the prolongation of the proceeding line, is known as ?

direct angle

vertical angle

horizontal angle

deflection angle

Answer: deflection angle

Explanation:


10. The method of intersection in plane tabling is commonly used for ?

locating the distant and inaccessible points

locating the broken boundaries

locating the points which may be used subsequently as the instrument stations

all of the above

Answer: all of the above

Explanation: