更多"You are scanning the radar screen f"的相关试题:
[单项选择]Proper use shall be made（）radar equipment if fitted and operational.
A. of
B. to
C. on
D. with
[单项选择]When navigating in thick fog with the radar on，you should（）.
A. station the look-out in the wheelhouse to keep a continuous watch on the radar
B. secure the sounding of fog signals until a vessel closes within five miles
C. station a look-out as low down and far forward as possible
D. keep the radar on the shortest available range for early detection of approaching vessels
[单项选择]You are mooring to a buoy．You should approach the buoy with the current from（）.
A. ahead
B. broad on the bow
C. abeam
D. astern
[单项选择]How would you pass a red buoy in the maritime buoyage system“A” （）.
A. keep the buoy on the vessel's starboard side when approaching a port and on the vessel's port side when leaving
B. keep the buoy on the vessel's port side when approaching a port and on the vessel's starboard side when leaving
C. keep the buoy on the vessel's starboard side when approaching and leaving
D. keep the buoy on the vessel's port side when approaching and leaving
[单项选择]At 1810，you sight a buoy on your starboard side labeled “19”. This buoy marks（）.
A. the side of York Spit Channel
B. the visibility limit of the red sector of Cape Henry Light
C. the end of York Spit Channel
D. the junction of the York Spit and York River Entrance Channels
[单项选择]You are entering an east coast port and see a buoy with a yellow triangle painted on it.This indicates（）.
A. you are in the vicinity of the ICW
B. the buoy is a special mark
C. the buoy is off station
D. the buoy designates a sharp turn in the channel
[单项选择]I have（）you on my radar.
A. seen
B. sighted
C. watched
D. located
[单项选择]Would you please（）on the radar?
A. switch
B. to switch
C. switched
D. will switch
[单项选择]At 1810，a red buoy bears 010° relative. This buoy marks（）.
A. the side of York Spit Channel
B. the visibility limit of the red sector of Cape Henry Light
C. a submerged obstruction in York Spit Channel
D. the York River Entrance Channel
[单项选择]I can not（）you on my radar.
A. locate
B. look for
C. watch
D. look out
[单项选择]In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should（）.
A. stop your engines
B. sound the danger signal at two-minute intervals
C. hold course and speed until the other vessel is sighted
D. take avoiding action as soon as possible
[单项选择]At 0900，you take the following radar ranges: Watch Hill Point 5.4 miles; Block Island Grace Point 8.3 miles. Which statement is TRUE? （）
A. You are within 3 nautical miles of the coast
B. The bottom in the area is sand and gravel
C. The fix is indeterminate
D. You are governed by the Inland Rules
[单项选择]Your radar displays your ship off center．As you proceed on your course， your ship’s marker moves on the PPI scope while echoes from land masses remain stationary.What is this display called（）.
A. Off center
B. True motion
C. Stabilized
D. Head up
[单项选择]You are underway at 5 knots and see on your radar a contact 10 miles directly astern of you. 12 minutes later，the contact is 8 miles directly astern of you. What is the estimated speed of the contact? （）
A. Dead in the water
B. 1 knot
C. 10 knots
D. 15 knots
[单项选择]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? （）
A. Relative
B. TRUE
C. Compass
D. Magnetic
