Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set ________．A.The cranes may be operated independentlyB.The cranes may be interconnected for twin operationC.The cranes are powered by independent internal combustion power unitsD.All of the above
Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set ________．
A.The cranes may be operated independently
B.The cranes may be interconnected for twin operation
C.The cranes are powered by independent internal combustion power units
D.All of the above
相关考题：
Is the following statement true or false?A significant change in the ownership of an existing audit client is a factor which makes it appropriate for the auditor to review the terms of engagement.A.TrueB.False
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
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 of the following statements is FALSE concerning cranes being installed on the centerline of vessels ________．A.A centerline crane can never be operated in tandemB.One crane is able to work one end of two adjacent hatchesC.These cranes are more economical and weigh less than outboard-mounted cranesD.One crane is able to work both sides of the ship
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 wire rope purchases may be used with a 30-ton pedestal crane ________．A.HoistB.LuffC.Rider blockD.All of the above
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
During which condition should the operator of a pedestal crane shutdown operations ________．A.Bunkering barge alongsideB.Potable water spill on deckC.Crane hydraulic hose burstsD.Trim greater than 4 feet
During which condition should be operator of a pedestal crane shutdown operations?A.BunkeringB.High windsC.Potable water spill on deckD.More than 3°list
public class Test{ public static void main（ String[] argv ）{ // insert statement here } } Which statement， inserted at line 3， produces the following output？（） Exception in thread “main” java.lang.AssertionError： true at Test.main（Test.java：3） A、 assert true；B、 assert false；C、 assert false ： true；D、 assert false == true；E、 assert false： false；
You executed the following commands： SQL ALTER SESSION SET OPTIMIZER_USE_PENDING_STATISTICS = false； SQL EXECUTE DBMS_STATS.SET_TABLE_PREFS（’SH’， ’CUSTOMERS’， ’PUBLISH’，’false’）； SQL EXECUTE DBMS_STATS.GATHER_TABLE_STATS（’SH’， ’CUSTOMERS’）； Which statement is correct regarding the above statistics collection on the SH.CUSTOMERS table in the above session？（）A、 The statistics are stored in the pending statistics table in the data dictionary.B、 The statistics are treated as the current statistics by the optimizer for all sessions.C、 The statistics are treated as the current statistics by the optimizer for the current sessions only.D、 The statistics are temporary and used by the optimizer for all sessions until this session terminates.
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During which condition should the operator of a pedestal crane shutdown operations?（）ALightning in the vicinityBAn approaching squall lineCA fire on the pierDAll of the above
单选题What is the purpose of the equalizing beam aboard a crane vessel（）.AIt allows for rotation of the hook in the single modeBIt is required to“twin-up”30-ton pedestal cranesCIt is used to pick up light loadsDIt is used to rigidly connect two cranes
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If the set S is composed of the following numbers {99, 100, 100, 105, 106, 116, 123}, which of the following is largest?AThe average (arithmetic mean) of set SBThe median of set SCThe mode of set SDThe range of set SEThe standard deviation of set S
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You executed the following commands： SQL ALTER SESSION SET OPTIMIZER_USE_PENDING_STATISTICS = false； SQL EXECUTE DBMS_STATS.SET_TABLE_PREFS（’SH’， ’CUSTOMERS’， ’PUBLISH’，’false’）； SQL EXECUTE DBMS_STATS.GATHER_TABLE_STATS（’SH’， ’CUSTOMERS’）； Which statement is correct regarding the above statistics collection on the SH.CUSTOMERS table in the above session？（）A The statistics are stored in the pending statistics table in the data dictionary.B The statistics are treated as the current statistics by the optimizer for all sessions.C The statistics are treated as the current statistics by the optimizer for the current sessions only.D The statistics are temporary and used by the optimizer for all sessions until this session terminates.
单选题During which condition should the operator of a pedestal crane shutdown operations?（）ALightningBHigh windsCFire aboardDAll of the above
单选题During which condition should the operator of a pedestal crane shutdown operations?（）ABunkeringBHigh windsCPotable water spill on deck
单选题Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set （）.AThe cranes may be operated independentlyBThe cranes may be interconnected for twin operationCThe cranes are powered by independent internal combustion power unitsDAll of the above
单选题Which action(s) should the operator of a pedestal crane take if crane control is lost?（）ALet go of both control levers and return to neutral positionBPress the emergency stopCNotify the mate on watchDAll of the above
单选题During which condition should the operator of a pedestal crane shutdown operations?（）ABunkering barge alongsideBPotable water spill on deckCCrane hydraulic hose burstsDTrim greater than 4 feet
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 statements is FALSE concerning cranes being installed on the centerline of vessels（）.AA centerline crane can never be operated in tandemBOne crane is able to work one end of two adjacent hatchesCThese cranes are more economical and weigh less than outboard-mounted cranesDOne crane is able to work both sides of the ship
单选题A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?（）.AIf one screw is stopped，the ship will turn toward the side of the stopped screwBThe principal force which turns the ship is set up by the wake against the forward side of the rudderCTurning response by use of the rudder only is greater than on a single-screw vesselDWith the rudder amidships，the ship will steer a fairly steady course
单选题public class Test{ public static void main（ String[] argv ）{ // insert statement here } } Which statement， inserted at line 3， produces the following output？（） Exception in thread “main” java.lang.AssertionError： true at Test.main（Test.java：3）A assert true；B assert false；C assert false ： true；D assert false == true；E assert false： false；