网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
单选题
To obtain accuracy in fixing by DF cross bearings,()should be used.
A

two stations,including one on the nearest coast

B

two stations,including one on the nearer coast

C

three stations,including one on the farthest coast

D

three stations,including one on the nearest coast


参考答案

参考解析
解析: 暂无解析
更多 “单选题To obtain accuracy in fixing by DF cross bearings,()should be used.A two stations,including one on the nearest coastB two stations,including one on the nearer coastC three stations,including one on the farthest coastD three stations,including one on the nearest coast” 相关考题
考题 The cardinal principle we should bear in mind in conducting () is this: There is no such a thing as good or bad. There are only differences. A、researchB、respectC、cross-cultural communicationD、unilateral communication

考题 What is FHWA’s suggestion to states?A. Fixing more traffic lights.B. Providing more crosswalks.C. Giving pedestrians more time to cross streets.D. Increasing the time before the orange lights appear.

考题 Radar is not only to obtain ________ ,but also to measure their distances away from you.A.brightness of objectsB.color of targetsC.shape of targetsD.bearings of objects

考题 A "dangerous cargo manifest" is needed for you to carry a combustible cargo. You should obtain the shipping papers to make this "manifest" from the ______.A.manufacturerB.ABSC.Coast GuardD.shipper

考题 A look-out should report objects sighted using ______.A.True bearingsB.Magnetic bearingsC.Gyro bearingsD.Relative bearings

考题 To obtain accuracy in fixing by DF,______ and three stations should be used.A.Parallel bearingsB.Long-range bearingsC.Short-range bearingsD.Cross bearings

考题 A vessel’s position should be plotted using bearings of ______.A.buoys close at handB.fixed known objects on shoreC.buoys at a distanceD.All of above

考题 Which of the following dbx commands should be used to obtain a stack trace from a coredump file?()A、trace B、where C、status D、which

考题 Which of the following kdb subcommands should be entered to obtain information about a serial port?()A、 ttyB、 statC、 traceD、 stream

考题 Which of the following commands should be used to obtain information about the software packages available on the installation media?()A、 lsattrB、 inutocC、 installpD、 lsresource

考题 Which of the following options should be used to obtain the latest security patches for AIX?()A、FixDistB、The Bonus Pack CDC、OPSD、The Security Maintenance CD

考题 Which of the following commands should be used to obtain information about the installed software?()A、 smit systemB、 smit installpC、 smit licensesD、 smit list_software

考题 单选题To obtain accuracy in fixing by DF,()and three stations should be used.A Parallel bearingsB Long-range bearingsC Short-range bearingsD Cross bearings

考题 单选题Which of the following commands should be used to obtain information about the installed software?()A  smit systemB  smit installpC  smit licensesD  smit list_software

考题 单选题A navigator fixing a vessel’s position by radar ().A can use radar information from one object to fix the positionB should never use radar bearingsC should only use radar bearings when the range exceeds the distance to the horizonD must use information from targets forward of the beam

考题 单选题You are about to cross a narrow channel when you see an approaching vessel that can only be navigated safely within the channel.You should().A cross the channel as you are the stand-on vesselB cross only if the vessel in the channel is approaching on your port sideC not cross the channel if you might impede the other vesselD sound the danger signal

考题 单选题A “dangerous cargo manifest” is needed for you to carry a combustible cargo. You should obtain the shipping papers to make this “manifest” from the().A manufacturerB ABSC Coast GuardD shipper

考题 单选题Which of the following is false?()A A company should develop a SMS and implement itB A company implementing a SMS properly may obtain a DOCC Once a company obtains its DOC, each vessel of this company will obtain a SMCD DOC is valid for 60 months unless “major non-conformity” is found

考题 单选题To protect the rotor of a motor disassembled for maintenance or overhaul, it should be()A suspended by wire slings in one comer of the shopB wrapped in several layers of heavy paper or carboardC supported by flat wood blocks on the workbenchD returned to the frame as soon as the bearings are removed

考题 单选题()should be consulted to obtain the information concerning port documents required by the port Authority.A Admiralty Notices to MarinersB SOLASC Admiralty Sailing DirectionsD Guide to Port Entry

考题 单选题() is not the information necessary for the master to obtain guidance as to the stability of the ship.A a curve of minimum operational metacentric height(GM)versus draughtB instructions concerning the operation of cross-flooding arrangementsC the signals or lights being exhibited or soundedD all other data and aids which might be necessary to maintain stability after damage

考题 单选题A class design requires that a member variable cannot be accessible directly outside the class. Which modifier should be used to obtain the access control?()A  publicB  no modifierC  protectedD  private

考题 单选题A vessel is equipped with cross-connected deep tanks. In which situation should the cross-connection valve be closed? ()A The tanks lie above the waterline and are filledB The tanks are partially filled with dry cargoC The tanks are partially filled with liquid cargoD The tanks are filled and lie below the waterline

考题 单选题A look-out should report objects sighted using().A true bearingsB magnetic bearingsC gyro bearingsD relative bearings

考题 单选题The oil quantity for bearing lubrication should be applied in such an amount as to be sufficient to carry away the () caused by the friction at the bearings.A acidsB additivesC heatD gear

考题 单选题The oil in a cargo winch gear box should be sampled periodically to ().A prevent the gear box from leakingB prevent the oil from becoming inflammableC make sure it has not become contaminatedD make sure the motor bearings are lubricated

考题 单选题Which of the following dbx commands should be used to obtain a stack trace from a coredump file?()A trace B where C status D which