A.Dead in the water
B.1 knot
C.10 knots
D.15 knots
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A.Starting with a dash and extending radially outward from the target
B.As a broken line from center of PPI to the target
C.Starting with a dot and extending radially inward from the target
D.Starting with a dash and extending to the right of the target
A.The Master of the vessel must be on the bridge when the radar is in use
B.The radar equipment is only required to be used in restricted visibility
C.The use of a radar excuses a vessel from the need of a look-out
D.This equipment must be used to obtain early warning of risk of collision
A.She must use this equipment to obtain early warning of risk of collision
B.The use of a radar excuses a vessel from the need of a look-out
C.The radar equipment is only required to be used in restricted visibility
D.The safe speed of such a vessel will likely be greater than that of vessels without radar
A.Radar ranges are less accurate in fog
B.Navigation buoys will always show up on radar
C.A sandy beach will show up clearer on radar than a rocky cliff
D.Small wooden boats may not show up on radar
A.It is more reliable than a fix based on radar bearings
B.It may be based on a single LOP or questionable data
C.When a 3-LOP fix plots in a triangle，the center of the triangle is the estimated position
D.It is usually based on soundings
最新試題
You are using a radar in which your own ship is shown at the center，and the heading flash always points to 0°. If bearings are measured in relation to the flash，what type of bearings are produced? （）
Although manual plotting for CPA works well，the workload can become overwhelming when confronted with（）.
What provides little or no indication that a vessel is dragging anchor? （）
Your ARPA has been tracking a target and has generated the targets course and speed.The radar did not receive a target echo on its last two scans due to the weather.What should you expect under these circumstances（）.
Which statement is true concerning a vessel equipped with operational radar?（）.
Which statement about an estimated position is TRUE?（）
Your radar is set on a true motion display.Which of the following will NOT appear to move across the PPI scope（）.
When will the float-free emergency position indicating radiobeacon be activated after abandoning ship? （）
（）typically extends from close as 0.1 nautical miles out to 32 NM.
You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?（）.