1. A line joining some fixed points on the main survey lines, is called a ?

tie line

base line

check line

none of these

Answer: tie line

Explanation:


2. A line joining the optical centre of the object glass and the centre of the eye piece, is known as ?

axis of telescope

fundamental line

line of collimation

axis of level tube

Answer: axis of telescope

Explanation:


3. A staff reading taken on a bench mark or a point of known elevation is called ?

intermediate sight

fore sight reading

back sight reading

any one of these

Answer: back sight reading

Explanation:


4. In route surveys, the most suitable method of contouring is ?

by cross-sections

by tacheometer

by squares

by radial lines

Answer: by cross-sections

Explanation:


5. A line normal to the plumb line at all points is known as ?

level line

line of collimation

vertical line

horizontal line

Answer: level line

Explanation:


6. The projection of a traverse line on a line perpendicular to the meridian is known as ?

departure of the line

latitude of the line

co-ordinate of the line

bearing of the line

Answer: departure of the line

Explanation:


7. The angle by which the forward tangent deflects from the back tangent of a curve is called ?

angle of intersection

central angle

deflection angle

none of these

Answer: deflection angle

Explanation:


8. When the length of a chord is less than the peg interval, it is known ?

normal chord

sub chord

small chord

short chord

Answer: sub chord

Explanation:


9. The vertical distance between any two consecutive contours is called ?

contour interval

vertical equivalent

horizontal equivalent

contour gradient

Answer: contour interval

Explanation:


10. It is more convenient and gives better results while measuring horizontal distance.............. by stepping method ?

in plane areas

up the hill

down the hill

none

Answer: down the hill

Explanation: