Which statement comparing a shipboard crane to conventional gear is TRUE ________．A.Cranes are more difficult to secure for seaB.The spotting area of the conventional gear is largerC.A crane operator requires more training than the winch operator of a yard and stay rigD.The yard and stay rig is more flexible in its ability to handle a wider variety of cargoes
Which statement comparing a shipboard crane to conventional gear is TRUE ________．
A.Cranes are more difficult to secure for sea
B.The spotting area of the conventional gear is larger
C.A crane operator requires more training than the winch operator of a yard and stay rig
D.The yard and stay rig is more flexible in its ability to handle a wider variety of cargoes
相关考题：
Which statement about the enabling of table compression in Oracle Database 11g is true?() A. Compression can be enabled at the table, tablespace, or partition level for direct loads only.B. Compression can be enabled only at the table level for both direct loads and conventional DML.C. Compression can be enabled at the table, tablespace, or partition level for conventional DML only.D. Compression can be enabled at the table, tablespace, or partition level for both direct loads and conventional DML.
Which statement is NOT true?A.While displacement pump works, volume of the working chamber will increase and decrease alternatelyB.A gear pump always has two gearsC.Any vane pump will have a rotor within a ringD.A balanced vane pump has two outlet ports and they are positioned symmetrically
Which statement is NOT true?A.In a simple vane pump, the rotor and cam ring are exactly concentricB.Balanced vane pump has an elliptical cam ringC.Liquid in both gear pump and vane pump are forced out to the outlet.D.Balanced vane pumps can work at a higher pressure than the simple vane pump
The net productivity per gang-hour can be improved through a decrease of ______.A.cranes／derricksB.crane／derrick cyclesC.crane／derrick cycle timeD.weight per package
Which statement(s) is/are TRUE concerning crane cargo operations?A.Do not exceed rated load capacity of crane and container spreader or slingsB.During any cargo handling operation，the safety of personnel is paramountC.Cargo handlers must be outfitted with adequate protection from personal injuryD.All the above
Which statement is FALSE regarding the operation of a crane ________．A.The crane jib is raised and lowered by the luffing winchB.The cargo block is raised and lowered by the hoisting winchC.The cargo block is raised and lowered by the luffing winchD.None of the above
What is/are the advantage（s）of cranes over conventional cargo booms ________．A.Cranes are able to pick up and drop loads over a greater spotting areaB.Increased safety because the deck is clear of running and standing riggingC.Simplicity of operation of the crane by its operatorD.All of the above
Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set ________．A.The cranes may be operated independentlyB.The cranes may be interconnected for twin operationC.When twinned，the crane rotation on the foundation assembly is unlimitedD.All of the above
Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom ________．A.Cargo whipB.Gooseneck fittingC.Spider bandD.Topping lift
Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane ________．A.Taglines are wire rope purchases that raise and lower the jibB.Taglines are wire ropes for horizontal positioning of the rider blockC.Taglines can be fastened to corners of vehicles or containersD.The crane might not have taglines installed in its rigging system
Which of the following statements is TRUE regarding crane operations ________．A.Radio communications allow the crane operator to disregard the use of hand signalsB.The crane operators and signalman must be familiar with the correct hand signalsC.The forward cranes can be operated from the bridgeD.The aft cranes can be operated from the aft steering station
All wire rope used in shipboard cargo gear must be identified and described in a certificate. The certificate shall certify all of the following EXCEPT the ______.A.date of the testB.load at which a test sample brokeC.name of the vesselD.number of strands and of wires in each strand
Which statement is true about IBGP routers? （）A、They must be fully meshedB、They can be in a different ASC、They must be directly connected
Which two statements are true about terms in a routing policy?（）A、A then statement is mandatory in a termB、If a term does not contain a from statement, all routers matchC、If a term does not contain a from statement, the Junos OS will not commitD、A then statement is not mandatory in a term
Which statement is true about loading data using the conventional path of SQL*Loader（）A、Redo is not generated while performing conventional path loads.B、Only PRIMARY KEY， UNIQUE KEY， and NOT NULL constraints are checked.C、No exclusive locks are acquired when the conventional path loads are performed.D、Instead of performing transactions， SQL*Loader directly writes data blocks to the data files.E、INSERT triggers are disabled before the conventional path load and reenabled at the end of the load
单选题Which statement comparing a shipboard crane to conventional gear is TRUE（）.ACranes are more difficult to secure for seaBThe spotting area of the conventional gear is largerCA crane operator requires more training than the winch operator of a yard and stay rigDThe yard and stay rig is more flexible in its ability to handle a wider variety of cargoes
单选题Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane（）.ATaglines are wire rope purchases that raise and lower the jibBTaglines are wire ropes for horizontal positioning of the rider blockCTaglines can be fastened to corners of vehicles or containersDThe crane might not have taglines installed in its rigging system
单选题Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom（）.ACargo whipBGooseneck fittingCSpider bandDTopping lift
单选题Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set（）.AThe cranes may be operated independentlyBThe cranes may be interconnected for twin operationCWhen twinned，the crane rotation on the foundation assembly is unlimitedDAll of the above
单选题Which statement about the enabling of table compression in Oracle Database 11g is true？（）A Compression can be enabled at the table， tablespace， or partition level for direct loads only.B Compression can be enabled only at the table level for both direct loads and conventional DML.C Compression can be enabled at the table， tablespace， or partition level for conventional DML only.D Compression can be enabled at the table， tablespace， or partition level for both direct loads and conventional DML.
单选题Which of the following statements is TRUE regarding crane operations（）.ARadio communications allow the crane operator to disregard the use of hand signalsBThe crane operators and signalman must be familiar with the correct hand signalsCThe forward cranes can be operated from the bridgeDThe aft cranes can be operated from the aft steering station
单选题Which statement is TRUE when comparing cold and warm fronts?（）ACold fronts are more violent and of shorter durationBCold fronts are milder and last longerCThey are very similar with the exception of wind directionDWarm fronts are more violent and of longer duration
单选题Which statement(s) is/are TRUE concerning crane cargo operations? （）ADo not exceed rated load capacity of crane and container spreader or slingsBDuring any cargo handling operation，the safety of personnel is paramountCCargo handlers must be outfitted with adequate protection from personal injuryDAll the above
单选题Which of the following is NOT true according to the passage?（）ABoth the main steering gear and the auxiliary steering gear should be operatedBThe alarms fitted to the remote control system should be operatedCThe emergency generator compartment should be checkedDThe communication system between the bridge and the steering gear compartment should be operated
单选题Which statement is true about loading data using the conventional path of SQL*Loader（）ARedo is not generated while performing conventional path loads.BOnly PRIMARY KEY， UNIQUE KEY， and NOT NULL constraints are checked.CNo exclusive locks are acquired when the conventional path loads are performed.DInstead of performing transactions， SQL*Loader directly writes data blocks to the data files.EINSERT triggers are disabled before the conventional path load and reenabled at the end of the load.
单选题All wire rope used in shipboard cargo gear must be identified and described in a certificate. The certificate shall certify all of the following EXCEPT the（）.Adate of the testBload at which a test sample brokeCname of the vesselDnumber of strands and of wires in each strand