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AUXSEA Ch 6 Test

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1.
List some of the elements that the effect of wind and current upon a boat depends.
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2.
_____ and _____ are the two types of waves that are caused by the passing of a motorboat. The _____ wave is the most dangerous.
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3.
The primary needs of safety in fog or other conditions of reduced visibility are to see and be seen, and to _____ and be _____ .
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4.
What is the purpose of towing a warp?
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5.
List some of the elements that the effect of wind and current upon a boat depends.(cont'd)
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6.
List three ways that a dangerous cross sea can develop.
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7.
In a head sea, a vessel with too much weight aft will tend to _____ .
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8.
Waves turn into surf as they _____.
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9.
The two types of breaking waves and surf are _____ and _____
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10.
If conditions get really bad, slow down and hold your bow at an angle of about _____ degrees to the sea.
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11.
When running before the seas, if possible, the boat should be maintained on the _____ ______ of the wave.
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12.
What is the pitfall in using a tripping line with a sea anchor?
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13.
List the steps to prepare for rough weather.(cont'd)
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14.
What happens to a vessel that is pooped?
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15.
The time it takes two wave crests to pass the same point is known as the _____ .
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16.
List some of the items you can use to make an emergency sea anchor in the absence of a ready-made one.
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17.
Name two types of non-wind waves.
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18.
What is the purpose of a sea anchor?
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19.
List the steps to prepare for rough weather.
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20.
A boat with a _____ will be greatly affected by strong winds.
A.
Prepare plans for altering course to a protected harbor or sheltered waters if necessary, Reassure your crew and guests; instruct them in what to do and not to do; give them something to do if possible to take their minds off the situation.
B.
45
C.
The direction of the current in relation to the heading of the boat, The direction and strength of the current in relation to the direction and strength of the wind.
D.
Period
E.
Seismic wave, Tidal waves
F.
Back side
G.
The strength of the wind, The length of the boat, The superstructure of the boat, The freeboard of the boat, The draft of the boat, The direction of the wind in relation to the heading of the boat,
H.
The following sea breaks into the cockpit
I.
Tidal currents, two angling wave systems, sudden wind shifts
J.
High freeboard, High superstructure
K.
Bow wave, Stern wave, Stern
L.
Secure all hatches; close all ports and windows, Pump the bilges dry and repeat this action as often as required. (Free water in bilges adversely affects the craft's stability.),
M.
Slow the drift and help control the boat in relation to wave direction.
N.
Hear, heard
O.
Fall off
P.
A bucket, A basket, A wide board, A swamped dinghy
Q.
Near the shore
R.
Can become tangled with the towing line and collapse sea anchor
S.
Acts as a brake, keeps boat running straight quiets sea astern
T.
Plungers, rollers (Study Guide: ‘spillers’)
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21.
One way to be seen in reduced visibility by vessels that have radar sets is to hoist a _____ .
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22.
A boat with a _____ will be greatly affected by a strong current
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23.
When a vessel runs down a steep wave, buries her bow, and the next crest throws her stern over, she has _____ .
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24.
Thrown broadside to the swells, or in the trough can cause a vessel to _____
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25.
The angular measurement from the trough to the crest of a wave is the_____
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26.
The height of a wave is the distance measured vertically from the _____ to the _____
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27.
The length of a wave is the distance between _____.
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28.
In a head sea, a vessel with too much weight forward will _____ rather than rise.
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29.
Waves generated by wind that continue after the wind has died
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30.
The uninterrupted expanse of water over which the wind blows.

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