A Doppler speed log indicates speed over ground ______.A.at all timesB.in the bottom return modeC.in the volume reverberation modeD.only when there is no current
A Doppler speed log indicates speed over ground ______.
A.at all times
B.in the bottom return mode
C.in the volume reverberation mode
D.only when there is no current
相关考题：
The bow thruster generally is ineffective at ______.A.over 3 knots headwayB.at any speed asternC.at any speed aheadD.over 1 knot sternway
Refer to the exhibit.The speed of all serial links is E1 and the speed of the all Ethernet links is 100Mb/s.A static route will be established on the Manchester router to the direct traffic toward the internet over the most direct path available.What configuration on the Manchester router will establish a router toward the internet for traffic that originates from workstation on the Manchester LAN?（）A.iproute0.0.0.0255.255.255.0172.16.100.2B.iproute0.0.0.0255.255.255.252128.107.1.1C.iproute0.0.0.00.0.0.0128.107.1.1D.iproute0.0.0.00.0.0.0172.16.100.1E.iproute0.0.0.0255.255.255.255172.16.100.2F.iproute0.0.0.00.0.0.0172.16.100.2
An over-speed safety device is usually fitted to a generator engine for ___ in the event of over-speed.A.stabilizing the ship speedB.increasing the fuel pump settingC.braking the crankshaftD.cutting power off the engine
THE SPEED OF A VESSEL ADJUSTED TO THAT OF A PILOT BOAT AT WHICH THE PILOT CAN SAFELY EMBARK is ______.A.Ground speedB.Boarding speedC.Relative speedD.Speed of the vessel
A Doppler speed log indicates speed through the water ______.A.at all timesB.in the bottom return modeC.in the volume reverberation modeD.only when there is no current
The owner or Master of a towing vessel shall ensure that each person that directs and controls the movement of the vessel can accomplish all of the following EXCEPT ______.A.evaluate the danger of each closing visual or radar contactB.adjust speed with due regard for the weather and visibilityC.reduce speed only where local speed limits are postedD.enter all required test and inspection results in the vessel's log or other record carried on board
A Forty-Foot Auto Frame（FAF）is a _______．A.Cargo unitB.Dangerous cargo containerC.Doppler speed logD.Gyro-compass and autopilot
Your ARPA has automatic speed inputs from the log．Due to currents，the log is indicating a faster speed than the speed over the ground．What should you expect under these circumstances ________．A.The generated CPA will be less than the actual CPAB.The generated TCPA will be later than the actual TCPAC.The range of initial target acquisition will be less than normalD.The targets true course vector will be in error
A Doppler log in the bottom return mode indicates the ______.A.velocity of the currentB.bottom characteristicsC.depth of the waterD.speed over the ground
A Doppler log in the volume reverberation mode indicates the ______.A.speed being made goodB.speed through the waterC.the set of the currentD.the depth of the water
EIGRP has been configured to operate over Frame Relay multipoint connections. What should the bandwidth command be set to?（）A、the CIR rate of the lowest speed connection multiplied by the num ber of circuitsB、the CIR rate of the lowest speed connectionC、the CIR rate of the highest speed connectionD、the sum of all the CIRs divided by the number of connections
EIGRP has been configured to opera te over Frame Relay multipoint connections. What should the bandwidth command be set to?（）A、the CIR rate of the lowest speed connection multiplied by the number of circuitsB、the CIR rate of the lowest speed connectionC、the CIR rate of the highest s peed connectionD、the sum of all the CIRs divided by the number of connections
Given the following output： san-port-channel 12 is up Hardware is Fibre Channel Port WWN is 24：0c：00：0d：ec：d3：5c：00 Admin port mode is NP， trunk mode is on Port mode is NP Port vsan is 1 Speed is 8 Gbps Member[1] ： fc2/3 Member[2] ： fc2/4 What does "Speed is 8 Gbps" indicate？（）A、 The speed of the slowest interface in the port channelB、 The combined speed of all interfaces configured in the port channelC、 The combined speed of all interfaces in the port channel that are upD、 The speed that can be achieved if all buffers are used
单选题The owner or Master of a towing vessel shall ensure that each person that directs and controls the movement of the vessel can accomplish all of the following EXCEPT（）.Aevaluate the danger of each closing visual or radar contactBadjust speed with due regard for the weather and visibilityCreduce speed only where local speed limits are postedDenter all required test and inspection results in the vessel's log or other record carried on board
单选题Two men were（）a large log over the rough ground with the help of a rope.ApushingBdrawingCdraggingDcarrying
单选题A Doppler speed log indicates speed through the water（）.Aat all timesBin the bottom return modeCin the volume reverberation modeDonly when there is no current
单选题In conventional systems, the injection pressure（）, while it’s（）in common rail diesel engines.Afluctuates with the engine speed to some extent, independent of the engine speedBkeeps constant at all engine speed, dependent on the engine speed to some extentCkeeps constant at all engine speed, independent of the engine speedDis decided by the engine speed, constant at all engine speed
单选题EIGRP has been configured to opera te over Frame Relay multipoint connections. What should the bandwidth command be set to?（）Athe CIR rate of the lowest speed connection multiplied by the number of circuitsBthe CIR rate of the lowest speed connectionCthe CIR rate of the highest s peed connectionDthe sum of all the CIRs divided by the number of connections
单选题EIGRP has been configured to operate over Frame Relay multipoint connections. What should the bandwidth command be set to?（）Athe CIR rate of the lowest speed connection multiplied by the num ber of circuitsBthe CIR rate of the lowest speed connectionCthe CIR rate of the highest speed connectionDthe sum of all the CIRs divided by the number of connections
单选题In order to maintain a safe speed at all times，any necessary alterations of speed must（）.Abe instantly put onBbe instant put into useCbe instantly put into effectDbe put immediately
单选题A Doppler log in the volume reverberation mode indicates（）.Aspeed being made goodBspeed through the waterCthe set of the currentDthe depth of the water
单选题A Doppler log in the bottom return mode indicates the（）.Avelocity of the currentBbottom characteristicsCdepth of the waterDspeed over the ground
单选题A Doppler speed log indicates speed over ground（）.Aat all timesBin the bottom return modeCin the volume reverberation modeDonly when there is no current
单选题Automatic identification systems (AIS) are expected to broadcast all of the following information EXCEPT（）.APort of originBName of vesselCCourse and speed over groundDDraft of vessel