SURVEYING QUIZ

y-parallax is not affected

The length of the air base is increased

The scale of the model is altered

All listed here

Astronomical latitude

All of these

Astronomical bearing

Astronomical longitude

Declination

Dip

Azimuth

Bearing

adjustment of line of sight

adjustment of altitude bubble and vertical index frame

adjustment of plate levels

adjustment of horizontal axis

tan a cot A

sin a cos A

cot A tan a

cos a sin A

straightening the links

All of these

closing the joints of the rings if opened out

removing one or more small circular rings

f cot θ

f cos θ

f sin θ

f tan θ

A great circle whose plane is perpendicular to the axis of rotation and it also passes through the place

An arc of the great circle which passes through the place and is perpendicular to the equator

A great circle passing through the place and the poles

A semi-circle which passes through the place and is terminated at the poles

Parallel projection

Central projection

None of these

Orthogonal projection

(ii) and (iv)

(i) and (iii)

(i) and (iv)

(ii) and (iii)