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单选题
SWEEP INT on radar panel is the abbreviation of（）.
A
sweep introduction
B
sweep interest
C
sweep intention
D
sweep intensity
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单选题Which conditions will normally cause a SART to operate in the active mode?（）A
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考题
单选题In radar plotting C.P.A.is the abbreviation of（）.A
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close point to approachC
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单选题Which statement is true concerning a vessel equipped with operational radar?（）.A
The Master of the vessel must be on the bridge when the radar is in useB
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The use of a radar excuses a vessel from the need of a look-outD
This equipment must be used to obtain early warning of risk of collision
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单选题My radar is not working.I require shore based radar assistance.Is shore based radar assistance（）?A
usedB
availableC
in useD
can be used
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单选题Which general statement concerning radar is FALSE?（）.A
Raising the antenna height increases the radar rangeB
The ability of radar to detect objects is unaffected by weather conditionsC
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单选题（）is not a part of the main switch board.A
Control panel of main generatorB
Control panel of emergency generatorC
Paralleling panelD
Load panel of main generator
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单选题If there is any doubt as to the proper operation of a radar，which statement is TRUE?（）.A
Only a radar expert can determine if the radar is operatingB
All radars have indicator lights and alarms to signal improper operationC
A radar range compared to the actual range of a known object can be used to check the operation of the radarD
The radar resolution detector must be energized to check the radar
考题
单选题The closest point of approach (CPA) of a contact on a relative motion radar may be determined（）.A
immediately when the contact is noted on radarB
only if the radar scope is watched constantlyC
after the contact has been marked at least twiceD
by an occasional glance at the radar
考题
单选题Which statement is TRUE concerning a vessel equipped with operational radar?（）.A
She must use this equipment to obtain early warning of risk of collisionB
The use of a radar excuses a vessel from the need of a look-outC
The radar equipment is only required to be used in restricted visibilityD
The safe speed of such a vessel will likely be greater than that of vessels without radar
考题
单选题What’s the abbreviation for the World Meteorological Organization?（）A
WMOB
IHOC
IMOD
WARC
考题
单选题The radar component that produces the synchronizing signal and triggers the indicator sweep is which of the following?（）.A
transmitterB
antenna systemC
indicatorD
modulator
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