SURVEYING QUIZ

To increase the out-turn

To plot the chain lines

To indicate the accuracy of the survey work

To plot the offsets

365

365.2422

365.2224

366.2422

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

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

on its inner spindle with 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

incorrect levelling of the magnetic needle

presence of magnetic substances near the instrument

loss of magnetism of the needle

friction of the needle at the pivot

Altitude

Co-latitude

Zenith distance

Declination

1000 km

600 km

500 km

800 km

Greater than the longitude of the place

Equal to the latitude of the place

Less than the latitude of the place

None of these

None of these

Isocenter

Principal point

Plumb point

N66°30’W

W23°30’N

N23°30’W

S113°30’N

only (i)

both (i) and (iv)

both (ii) and (iii)

only (iii)