You are running parallel to the coast and estimate that the current is against you.In plotting a running fix using bearings from the same object on the coast,the greatest safety margin from inshore dangers will result if what speed is used to determine _______.A.Minimum speed estimateB.Maximum speed estimateC.Average speed estimateD.A running fix should not be used under these conditions
You are running parallel to the coast and estimate that the current is against you.In plotting a running fix using bearings from the same object on the coast,the greatest safety margin from inshore dangers will result if what speed is used to determine _______.
A.Minimum speed estimate
B.Maximum speed estimate
C.Average speed estimate
D.A running fix should not be used under these conditions
相关考题:
The best time to work a boat into a slip is ______.A.when the wind is against youB.with the current setting against youC.at slack waterD.with a cross current
During planning you sit down and estimate the time needed for each task and total them to come up with the project estimate This duration is what you commit to complete the project. What is wrong with the scenario? ()A.The team did not create the estimate and estimating tales too long using that methodB.The team did not create the estimate and a network diagram was not usedC.The estimate is too long and should be created by managementD.The project estimate should be the same as the customer's required completion date
Current measuring instruments must always be connected in ______.A.series with a circuitB.parallel with a circuitC.series-parallel with a circuitD.delta with the shunt
A line of position derived by radar range from an identified point on a coast will be a(n) ______.A.straight lineB.arcC.parabolaD.line parallel to the coast
On a voyage from Capetown to London,the favorable ocean current off the coast of Africa is the ______.A.Canary CurrentB.Benguela CurrentC.Agulhas CurrentD.South Atlantic Current
If you are sailing from the East Coast of the United States to the Caribbean Sea,which publication would contain information on weather,currents,and storms?A.Sailing Charts of the Caribbean SeaB.Pilot Charts of the North AtlanticC.Light Lists,Atlantic and Gulf CoastD.Tidal Current Tables
You are running parallel to the coast and take a running fix using bearings of the same object.If you are making less speed than used for the running fix,in relation to the position indicated by the fix,you will be ______.A.Closer to the coastB.Farther from the coastC.On the track line ahead of the fixD.On the track line behind the fix
Britain’s climate is influenced by(),a warm ocean current that passes the western coast of the British Isles and warms them.A、the North Atlantic DriftB、the Brazil CurrentC、the Labrador CurrentD、the Falkland Current
Your database instance is running with full workload after database creation. You have decided to useafixed-sizeundo tablespace. You want to use the Undo Advisor to estimate the capacity of the undotablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace()A、the retention period to support flashbackB、the expected length of the longest-running queryC、the number of undo tablespaces in the databaseD、the size of the Flash Recovery Area for the database instance
Your database is running in ARCHIVELOG mode,and the database is open. You execute an RMAN backup and specify the KEEP clause.Which components are backed up when this option is specified?()A、only the control file, the current SPFILE, and data filesB、only the current SPFILE and data files if autobackup is disabledC、only the data files and the archived redo logsD、the control file, current SPFILE file, data files, and archived redo logs
单选题As the South Equatorial Current approaches the east coast of Africa,it divides with the main part flowing south to form the warm().AAgulhas CurrentBCanary CurrentCBenguela CurrentDMadagascar Current
单选题You should plot your dead reckoning position at().Aevery fix or running fixBevery course changeCevery speed changeDAll of the above are correct
单选题You should plot your dead reckoning position().AFrom every fix or running fixBFrom every estimated positionCEvery three minutes in pilotage watersDOnly in pilotage waters
单选题A line of position derived by radar range from an identified point on a coast will be a(n) ().Astraight lineBarcCparabolaDline parallel to the coast
单选题Your database is running in ARCHIVELOG mode,and the database is open. You execute an RMAN backup and specify the KEEP clause.Which components are backed up when this option is specified?()Aonly the control file, the current SPFILE, and data filesBonly the current SPFILE and data files if autobackup is disabledConly the data files and the archived redo logsDthe control file, current SPFILE file, data files, and archived redo logs
单选题View the Exhibit to examine the output produced by the following query at three different times since thedatabase instance started and has experienced workloads of different capacities:SQL SELECT substr(component, 0, 10) COMP, current_size CS, user_specified_size US FROM v$memory_dynamic_componentsWHERE current_size!=0;What do you infer from this()AThe database instance is running with manual PGA management.BThe database instance is running with manual shared memory management.CThe database instance has the MEMORY_TARGET value set to a nonzero value.DAll sessions are connected to the database instance in dedicated mode, and no RMAN or parallel queryoperations have been performed
单选题If you are sailing from the East Coast of the United States to the Caribbean Sea,which publication would contain information on weather,currents,and storms?()ASailing Charts of the Caribbean SeaBPilot Charts of the North AtlanticCLight Lists,Atlantic and Gulf CoastDTidal Current Tables
单选题When measuring AC current flow, you must always connect the meter ()Ain series with the power source and loadBin parallel with the power source and loadCinsuring correct polarityDusing the lowest range possible to prevent instrument damage
单选题You are running parallel to the coast and take a running fix using bearings of the same object.If you are making less speed than used for the running fix,in relation to the position indicated by the fix,you will be().ACloser to the coastBFarther from the coastCOn the track line ahead of the fixDOn the track line behind the fix
单选题You are running parallel to the coast and estimate that the current is against you.In plotting a running fix using bearings from the same object on the coast,the greatest safety margin from inshore dangers will result if what speed is used to determine().AMinimum speed estimateBMaximum speed estimateCAverage speed estimateDA running fix should not be used under these conditions
单选题The best time to work a boat into a slip is().Awhen the wind is against youBwith the current setting against youCat slack waterDwith a cross current
单选题The Benguela Current flows in a().ASW'ly direction along the NW coast of AfricaBS'ly direction off the East Coast of AustraliaCNW'ly direction along the SW coast of AfricaDSW'ly direction along the SE coast of Greenland
多选题Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace()AThe retention period to support flashbackBThe expected length of the longest-running queryCThe number of undo tablespaces in the databaseDThe size of the Flash Recovery Area for the database instance
单选题When two DC generators operate in parallel, they are protected against motorizing by()Ablow out coilsBgovernor relayCunder voltage tripsDreverse current trips
单选题On a voyage from Capetown to London,the favorable ocean current off the coast of Africa is the ().ACanary CurrentBBenguela CurrentCAgulhas CurrentDSouth Atlantic Current