If the distance between the projectors is altered by a movement along X-axis of one projector,

The Polaris remains below horizon at

A. 10° N

B. 50° N Latitude

C. Equator

D. 5° S latitude

The shortest distance between two places measured along the surface of the earth, is

A. Length of the equator between their longitudes

B. Length of the parallel between their longitudes

C. Length of the arc of the great circle passing through them

D. None of these

Pick up the correct statement from the following. The difference between the longitudes of the places is obtained.

A. By subtracting their longitudes if places are in the same hemisphere

B. By adding their longitudes if places are in the different hemispheres

C. By subtracting the sum of their longitudes exceeding 180° from 360° if places are in different hemispheres

D. All the above

The graduations in prismatic compass
i) are inverted
ii) are upright
iii) run clockwise having 0° at south
iv) run clockwise having 0° at north
The correct answer is

A. (i) and (iii)

B. (i) and (iv)

C. (ii) and (iii)

D. (ii) and (iv)