3-62.
The fact that longer period waves
move faster than shorter period
waves is best described by what
term?
1.
Dispersion
2.
Angular spreading
3.
Ekman spiral
4.
Spatial spreading
3-63.
Which of the following
characteristics is NOT affected
when a wave “feels” bottom?
1.
Wave length
2.
Wave period
3.
Wave speed
4.
Wave direction
3-64.
The bending of a wave to conform to
bottom contours is a definition of
what term?
1.
Shoaling
2.
Diffraction
3.
Angular spreading
4.
Refraction
3-65.
Which type of breaker is
characterized by a loud, explosive
sound?
3-66.
Surf zone width is normally
measured in what increments?
1.
Feet
2.
Meters
3.
Yards
4.
Fathoms
3-67.
The Modified Surf Index is NOT
applicable to which of the
following landing craft?
1.
LARC
2.
LCM-8
3.
LCAC
4.
LVTP-5
3-68.
What type of currents are most
pronounced in the entrances to
large tidal basins?
1.
Coastal currents
2.
wind-driven currents
3.
Eddy currents
4.
Tidal currents
1.
A spilling breaker
2.
A surging breaker
3.
A plunging breaker
4. A cresting breaker
23
