Surveying
If θ and δ be the latitude of a place and declination of a star respectively, the upper culmination of the star will be north of zenith if its zenith distance, is

θ + δ
δ - θ
(θ + δ)/2
θ - δ

ANSWER DOWNLOAD EXAMIANS APP

Surveying
The First Point of Aeries

Is usually denoted by the Greek letter ?
All listed here
Is the point in the celestial sphere where zero meridian crosses the celestial equator
Is located near the very conspicuous rectangle of stars in the constellations of Pegasus and Andromeda

ANSWER DOWNLOAD EXAMIANS APP

Surveying
The rise and fall method

quicker and less tedious for large number of intermediate sights
provides a check on the reduction of intermediate point levels
is not suitable for levelling with tilting levels
is less accurate than height of instrument method

ANSWER DOWNLOAD EXAMIANS APP