第1题:
When a vessel is entering or leaving a port,a record of engine speeds is kept in the ______.
A.bell book
B.deck rough log
C.Official Logbook
D.engine rough log
第2题:
The 3-cm radar as compared to a 10-cm radar with similar specifications will ______.
A.give better range performance in rain,hail,etc
B.display small targets in a mass of dense sea clutter at a greater range
C.have less sea return in choppy rough seas
D.display a more maplike presentation for inshore navigation
第3题:
You are heading into the sea during rough weather.Having too much weight forward can cause your small boat to ______.
A.Broach
B.Plunge into the wave
C.Rise rapidly over the wave
D.List
第4题:
第5题:
第6题:
第7题:
高速和野蛮操作舱盖均是危险的。()
第8题:
give better range performance in rain,hail,etc
display small targets in a mass of dense sea clutter at a greater range
have less sea return in choppy rough seas
display a more maplike presentation for inshore navigation
第9题:
Strong low pressure
Strong high pressure
Steep pressure gradient
Steep gradient pressure
第10题:
engine rough log
Oil Record Book
Official Logbook
deck rough log
第11题:
Heave it home as fast as you can
Heave it home intermittently,between swells
Leave the anchor under foot,until the vessel may be brought before the Sea
Wait for a calm spot between seas,then house it
第12题:
bell book
deck rough log
Official Logbook
engine rough log
第13题:
When oil is discharged overboard,an entry is required in the ______.
A.engine rough log
B.Oil Record Book
C.Official Logbook
D.deck rough log
第14题:
When weighing anchor in a rough sea,how would you avoid risk of damaging the bow plating ________.
A.Heave it home as fast as you can
B.Heave it home intermittently,between swells
C.Leave the anchor under foot,until the vessel may be brought before the sea
D.Wait for a calm spot between seas,then house it
第15题:
______causing strong winds and rough sea north west Bay of Biscay.
A.Strong low pressure
B.Strong high pressure
C.Steep pressure gradient
D.Steep gradient pressure
第16题:
第17题:
第18题:
第19题:
before the boat is lowered from the stowed position
as the boat fall blocks break clear of the davit head
before the boat is lowered from the embarkation level
after the boat is released into the water
第20题:
High-speed operation and rough handling of hatches are dangerous.
Low-speed operation and rough handling of hatches are dangerous.
Low-speed operation and rough handling of hatch covers are dangerous.
High-speed operation and rough handling of hatch covers are dangerous.
第21题:
can usually be detected by radar in a smooth sea at a range of 4 to 6 kilometers
are indistinguishable from sea return on the PPI
are invisible to radar when covered with a thick layer of snow
are usually seen at night before they are close enough to provide a radar echo
第22题:
navigating with a low diesel engine speed
navigating with a stable diesel engine speed
increasing the efficiency of propeller
increasing fuel injection
第23题:
be more suitable for river and harbor navigation
provide better range performance on low lying targets during good weather and calm seas
have a wider horizontal beam width
have more sea return during rough sea conditions