SURVEYING QUIZ

Solar tidal force acts opposite to lunar tidal force

Sun and moon are in line with earth

None of these

Solar tidal force and lunar tidal force both coincide

Are seldom seen near the pole star

Rotate round the celestial pole

Remain always above the horizon

Rotate round the North Pole

(iii), (i), (ii)

(i), (ii), (iii)

(ii), (iii), (i)

(i), (iii), (ii)

on its inner spindle with a relative motion between the vernier and the graduated scale of lower plate

on its inner spindle without a relative motion between the vernier and the graduated scale of lower plate

on its outer spindle with a relative motion between the vernier and graduated scale of lower plate

on its outer spindle without a relative motion between the vernier and gra-duated scale of lower plate

urban areas

hilly areas

forests

plains

the magnetic needle and graduated circle do not move with the box

the magnetic needle moves with the box

the line of the sight does not move with the box

the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction

either ‘A’ or ‘B’

increase

not change

decrease

Larger for accurate works

Inversely proportional to the scale of the map

Larger if the time available is more

Directly proportional to the flatness of ground

Tilt

None of these

Tip

Swing

24 hours 10 minutes

20 hours 25 minutes

24 hours 50 minutes

23 hours 50 minutes