Surveying
When a star is between the pole and the horizon, the relationship between latitude (λ), zenith distance (z) and declination δ, is

θ = z + δ
θ = δ - z
θ = (z + δ) - 180°
θ = 180° - (z + δ)

ANSWER DOWNLOAD EXAMIANS APP

Surveying
If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference toi) altitude bubble on index frameii) altitude bubble on index frame if it is to be used as a leveliii) altitude bubble on telescopeiv) altitude bubble on telescope if it is to be used as a level The correct answer is

both (ii) and (iii)
both (i) and (iv)
only (iii)
only (i)

ANSWER DOWNLOAD EXAMIANS APP

Surveying
The difference between a level line and a horizontal line is that

both are same
horizontal line is normal to plumb line while level line may not be normal to the plumb line
level line is a curved line while hori-zontal line is a straight line
level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line

ANSWER DOWNLOAD EXAMIANS APP