Advanced Surveying MCQs

Question 1

The want of correspondence in stereo-photographs

Accepted Answer

is a function of tilt

Answer

is a good property

Answer

is not affected by the change of flying height between photographs

Answer

is minimum when 0 is 30.

Question 2

23 cm x 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents

Accepted Answer

(a ) 1 m

Answer

2 m

Answer

3 m

Answer

4 m

Question 3

The rotation of aircraft about the line of flight, is designated by the letter

Accepted Answer

co, and is sometimes called 'roll'

Answer

, and is sometimes called 'pitch'

Answer

x, and is sometimes called 'swing'

Answer

none of these.

Question 4

The rotation of aircraft about Z-axis, is designated by the letter

Accepted Answer

0, and is sometimes called 'pitch'

Answer

to, and is sometimes called 'roll'

Answer

x, and is sometimes called 'swing'

Answer

none of these

Question 5

The rotation of aircraft about Y-axis, is designated by the letter

Accepted Answer

x, and is sometimes called 'swing'

Answer

co, and is sometimes called 'roll'

Answer

0, and is sometimes called 'pitch'

Answer

none of these

Question 6

Pick up the correct statement from the following :

Accepted Answer

All the above.

Answer

The plane passing through the perspective centre of a stereo pair and a ground point, is known as basal plane

Answer

Each pair of image points on stereo pair have their own basal plane

Answer

Relative orienation means reconstructing the basal plane

Question 7

By raising the z-column of right projector, maximum y-parallax is introduced in the model at

Accepted Answer

position 4 and 6.

Answer

position 1

Answer

position 2

Answer

position 4

Question 8

By applying clockwise swing to right projector, maximum y- parallax is introduced in the model at

Accepted Answer

position 1

Answer

position 2

Answer

position 4

Answer

position 6.

Question 9

The movement of the projector in y-direction, introduces in the model ay-parallax

Accepted Answer

equally throughout the model.

Answer

maximum at position 1

Answer

maximum at position 2

Answer

maximum at position 5 and 6