单选题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? （）AYou are within 3 nautical miles of the coastBThe bottom in the area is sand and gravelCThe fix is indeterminateDYou are governed by the Inland Rules
单选题
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
参考解析
解析：
暂无解析
相关考题：
The common way to obtain your ship’s position is ______.A.keeping a close watch and lookoutB.taking a radar range and bearingC.observing a radar target and listening to signalsD.keeping a well clear caution
While on watch in the engine room, you hear a continuous sounding of the general alarm. Which of the following actions should you take?A.Make an entry in the official logbookB.Open the master control valves on the fixed CO2 systemC.Start the fire pump and check discharge pressureD.Secure auxiliary condenser overboard discharge
What does the man mean?A. It will take about one month to repair the watch.B. It costs too much to have the watch repaired.C. The watch is no longer worth repairing.
The engineer ______ the watch to the relieving officer if there is reason to believe that the latter is obviously not capable of carrying out the watch-keeping duties effectively.A.shall take overB.shall not take overC.shall hand overD.shall not hand over
The coastline between Point Judith and Watch Hill is ______.A.steep with rocky bluffsB.sandy and broken by rocky pointsC.low and marshyD.heavily forested
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 coastB.The bottom in the area is sand and gravelC.The fix is indeterminateD.You are governed by the Inland Rules
You have another ship overtaking you close aboard to starboard．You have 3 radar targets bearing 090° relative at ranges of 0.5 mile，1 mile，and 1.5 miles．In this case，the unwanted echoes are called ______．A.Multiple echoesB.SpokingC.Indirect echoesD.Side-lobe echoes
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 enginesB.sound the danger signal at two-minute intervalsC.hold course and speed until the other vessel is sightedD.take avoiding action as soon as possible
What is implied in “if you do get on eventually，just make sure to take both ways before crossing the street!”?A You will be too excited to watch the traffic.B Enjoying electronic devices while walking may invite traffic accidents.C It is not possible for you to get such a backpack.D It is wise of you to have such a backpack.
THE OFFICER WHO RELIEVING THE WATCH SHOULD CONFIRM AND SAY（）.A、I NOW HAVE THE WATCH.B、I NOW HAVETHE CONN.C、YOU NOW HAVE THE WATCH.D、YOU NOW HAVE THE CONN.
THE MASTER OR AN OFFICER SHOULD HANDING OVER THE WATCH SHOULD SAY（）.A、I NOW HAVE THE WATCH.B、I NOW HAVE THE CONN.C、YOU NOW HAVE THE WATCH.D、YOU NOW HAVE THE CONN.
单选题The common way to obtain your ship’s position is（）.Akeeping a close watch and lookoutBtaking a radar range and bearingCobserving a radar target and listening to signalsDkeeping a well clear caution
单选题The radar control used to reduce sea return at close ranges is the（）.Again controlBsensitivity time controlCfast time constantDpulse length control
单选题When using the ARPA in heavy rain，which action should you take? （）AIncrease the radar gain to pick up weak echoes through the rainBIncrease the STC setting to reduce close-in spurious signalsCNavigate as though the effective range of the radar has been reducedDIncrease the range of the inner and outer guard rings
单选题The officer in charge of the engineering （）the watch to the reliving officer if there is reason to believe that the latter is obviously not capable of carrying out the watch-keeping duties effectively.Ashall take overBshall not take overCshall hand overDshall not hand over
单选题The officer of the watch should use radar when appropriate and at all times in（）waters.AcongestingBcongestedCcongestionDcongest
单选题A vessel is approaching from dead ahead． Both of her sidelights are visible and her range lights are in line. Which of the following could you do first?（）.ASound one blast of the whistleBAlter course to starboardCConstruct a radar plotDSound the danger signal
单选题Which statement concerning the operation of radar in fog is TRUE?（）ARadar ranges are less accurate in fogBNavigation buoys will always show up on radarCA sandy beach will show up clearer on radar than a rocky cliffDSmall wooden boats may not show up on radar
单选题While on watch in the engine room, you hear a continuous sounding of the general alarmWhich of the following actions should you take?（）AMake an entry in the official logbookBOpen the master control valves on the fixed CO2 systemCStart the fire pump and check discharge pressureDSecure auxiliary condenser overboard discharge
单选题The coastline between Point Judith and Watch Hill is（）.Asteep with rocky bluffsBsandy and broken by rocky pointsClow and marshyDheavily forested
单选题In configuration mode you see the following prompt： [edit interfaces fe-1/1/1] user@router# Which command will take you to operational mode？（）AendBexitCquitDexit configuration-mode
单选题You are on watch at sea a man falls overboard on the port side, forward near No. 1 hatch. What of the following should you do first?（）.ACall the masterBPut the helm hard over toward the port sideCSound the alarm to arouse all handsDStop the engines
单选题When doing business in the US, you should take the following considerations into（）.AadventureBaccountCadviceDambition
单选题When using the radar for navigating（）.Athe best fix is obtained by using a tangent bearing and a rangeBand using two radar ranges for a fix，the objects of the ranges should be close to reciprocal bearingsCand using ranges，the most rapidly changing range should be measured lastDand crossing a radar range of one object with the visual bearing of a second object，the two objects should be 80°to 110°apart
单选题All of the following are practices of good seamanship EXCEPT（）.AWhen meeting，altering course to the left to increase sea roomBMaintaining an alert radar watch in reduced visibilityCShowing a flare-up light to attract attention when you are not under commandDMaintaining a proper lookout from sunrise to sunset
单选题When navigating in thick fog with the radar on，you should（）.Astation the look-out in the wheelhouse to keep a continuous watch on the radarBsecure the sounding of fog signals until a vessel closes within five milesCstation a look-out as low down and far forward as possibleDkeep the radar on the shortest available range for early detection of approaching vessels