5.
What is the best type of surface (relative conductivity) for a ground wave to travel across?
A.
Desert
B.
Seawater
C.
Rocky terrain
D.
Jungle
6.
What type of surface has tie least conductivity?
A.
Jungle
B.
Rocky terrain
C.
Desert
D.
Flat, loamy soil
7.
As frequency increases, the angle of tilt of a wave front_________.
A.
Increases
B.
Decreases
C.
Remains the same
D.
Is nullified by poor conducting surfaces
8.
Jungle terrain does what to a radio wave?
A.
Reflects
B.
Refracts
C.
Diffracts
D.
Absorbs
9.
Which of the following is the true statement?
A.
To reduce attenuation for surface waves, the amount of induced voltage must be
increased
B.
Vertical polarization is vastly superior to horizontal polarization for surface wave
propagation
C.
Horizontal polarization is vastly superior to vertical polarization for surface wave
propagation
D.
For surface wave propagation, there is no difference between horizontal and vertical
polarization
2-9
SS0130
Previous Page
