Geodesy 2 - Quiz III

Fundamental point (initial point) of the Egyptian geodetic network is …………. on the Almokattam hills

• A1B1

• O1

• Venus F1

• none of the above

a one-dimensional coordinate system used to express the metric distance of a point above a reference surface.

• Geodesic   

• height system

• Ellipsoid      

• None of the above

Geopotential number is constant for the geopotential (level) surface

• True

• False

Dynamic heights are NOT constant for the level surface and have no geometric meaning

• True

• False

Orthometric heights differ for points on the same level surface because the level surfaces are not ……..................

• intersected

• parallel

• similar

• non of the above

They are measured along the curved plumb line with respect to geoid level.

• Normal heights

• dynamic heights

• orthometric heights

• ellipsoidal heights

All types of heights (normal, orthometric, and dynamic) are derived from geopotential numbers

• True

• False

Geopotential number is a measure of the gravitational potential energy per unit mass at a point in a gravitational field.

• True

• False

An ellipsoid that fits the geoid very well in a certain country does necessarily fit in other country.

• True

• False

All the angles observed by a theodolite are measured when it is leveled in such a way that ..........................................................

• its vertical axis lies in the direction of the gravity vector

• its vertical axis lies in the direction of the normal to ellipsoid

• its vertical axis lies in the direction of north pole

• None of the above