When landing a lifeboat through heavy surf with a strong current running parallel to the beach(from right to left when facing from seaward)the recommended procedure is to______.
A.approach while coming to the left to take advantage of the current
B.drop an anchor outside the surf line,then pay out anchor line over the bow while the seas carry the boat toward the beach
C.approach slow enough so that the boat can be brought around to meet breaking seas on the bow
D.rig a drogue with tripping line over the bow,back ashore with drogue tripped between breakers
第1题:
When attempting an upstream landing while pushing empty barges ahead in a hard onshore wind,the approach is best made ______.
A.With bow out,stern in
B.With bow in,stern out
C.Parallel to the dock,as close in as possible
D.Parallel to the dock,as far out as possible
第2题:
When experiencing heavy winds,you should reef sails to ______.
A.bring the sails parallel to the wind
B.reduce sail area exposed to the wind
C.allow the sails to catch more wind
D.remove all tension on the main and jib sheets
第3题:
keep the bow directly in toward the beach,and tow the sea anchor off the stern
ride in on the back of a large breaker
keep the bow into the seas with the sea anchor out over the bow,and row to meet the breaking waves
head directly into the beach by staying between the crests of the waves
第4题:
reducing rolling
increasing rolling
reducing yawing
increasing yawing
第5题:
bring the sails parallel to the wind
reduce sail area exposed to the wind
allow the sails to catch more wind
remove all tension on the main and jib sheets
第6题:
approach while coming to the left to take advantage of the current
drop an anchor outside the surf line,then pay out anchor line over the bow while the seas carry the boat toward the beach
approach slow enough so that the boat can be brought around to meet breaking seas on the bow
rig a drogue with tripping line over the bow,back ashore with drogue tripped between breakers
第7题:
in series with the power source and load
in parallel with the power source and load
insuring correct polarity
using the lowest range possible to prevent instrument damage
第8题:
tie up to the rescue vessel
transfer only those personnel who are not seasick
wait for calmer weather before transferring personnel
transfer all personnel immediately
第9题:
Minimum speed estimate
Maximum speed estimate
Average speed estimate
A running fix should not be used under these conditions
第10题:
is flowing towards the land
is moving towards the ocean
level is not changing
level is rising because of heavy rains
第11题:
blow out coils
governor relay
under voltage trips
reverse current trips
第12题:
wormed,parceled,and served
wrapped with heavy tape
wrapped with chafing gear
wrapped in leather
第13题:
You are running parallel to the coast and estimate that the current is against you.In plotting a running fix using bearings from the same object on the coast,the greatest safety margin from inshore dangers will result if what speed is used to determine _______.
A.Minimum speed estimate
B.Maximum speed estimate
C.Average speed estimate
D.A running fix should not be used under these conditions
第14题:
resistance will decrease
insulation will bum
temperature will increase
conductivity will increase
第15题:
is generated by waves striking the beach
flows outside the surf zone
flows in a circular pattern
is also known as a longshore current
第16题:
anchoring in the Mediterranean
docking stern to a berth
docking bow to a berth
anchoring in a strong current
第17题:
at all times
in the bottom return mode
in the volume reverberation mode
only when there is no current
第18题:
secure the lifeboat in the davits when in the stowed position
bring the lifeboat close along the rail in the embarkation position
give the occupants a safety line when the boat is being lowered from the embarkation level
reduce the swinging of the lifeboat at the embarkation level
第19题:
secure the lifeboat in the davits when in the stowed position
bring the lifeboat close alongside the rail in the embarkation position
give the occupants a safety line when the boat is being lowered from the embarkation level
reduce the swinging of the lifeboat at the embarkation level
第20题:
when anchoring in the Mediterranean
when docking stern to a berth
when docking bow to a berth
when anchoring in a strong current
第21题:
range
scope
prospect
sequence
第22题:
stem the current and make very slow headway when the anchor is dropped
stem the current and be falling aft very slowly when the anchor is dropped
stem the current and endeavor to make neither headway nor sternway when the anchor is dropped
stop all headway through the water and keep the current astern when the anchor is dropped
第23题:
The diesel oil must never be allowed to mix with the heavy fuel
The temperature of the fuel from the pre–heater should be gradually reduced after switching over the three–way valve
The heating steam to the pre-heater should be secured as soon as the diesel fuel passes through the three-way valve
The heating steam must be secured before the diesel oil passes through the three-way valve