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 statement(s)is/are TRUE regarding a twin pedestal crane set ________.

A.The cranes may be operated independently

B.The cranes may be interconnected for twin operation

C.When twinned,the crane rotation on the foundation assembly is unlimited

D.All of the above


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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

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 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

Which of the following is true regarding Label Distribution Protocol (LDP)?()A、It is a label distribution protocol for MPLSB、It is a set of procedures and messages by which LSRs establish Label Switch Paths (LSPs) through a networkC、Tag distribution Protocol (TDP) was the basis for LDPD、All of the above are true

Identify the true statement regarding Temporary Coherence cluster members()A、 it should have "localstorage" set to TRUEB、 it should be configured so as to not trigger re-partitioning C、 both A and B are TRUED、 Neither A and B are TRUE

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To make audit information more productive, the DBA executes the following command before startingan audit operation:  SQL ALTER SYSTEM SET AUDIT_TRAIL=DB,EXTENDED SCOPE=SPFILE;  Which statement is true regarding the audit record generated when auditing starts after restarting thedatabase()AIt contains only the plan for the SQL statement executed by the user.BIt contains the SQL text executed by the user and the bind variables used with it.CIt contains the plan and statistics associated with the SQL statement executed by the user.DIt contains the plan for the SQL statement executed by the user and the bind variables used with it.

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Evaluate the following statement:   Which statement is true regarding the evaluation of rows returned by the subquery in the INSERT statement?()A  They are evaluated by all the three WHEN clauses regardless of the results of the evaluation of any other WHEN clause.B  They are evaluated by the first WHEN clause. If the condition is true, then the row would be evaluated by the subsequent WHEN clauses.C  They are evaluated by the first WHEN clause. If the condition is false, then the row would be evaluated by the subsequent WHEN clauses.D  The INSERT statement would give an error because the ELSE clause is not present for support in case none of the WHEN clauses are true.

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

多选题You want to analyze a SQL Tuning Set (STS) using SQL Performance Analyzer in a test database. Which two statements are true regarding the activities performed during the test execution of SQLs in a SQL Tuning Set?()AEvery SQL statement in the STS is considered only once for executionBThe SQL statements in the STS are executed concurrently to produce the execution plan and execution statisticsCThe execution plan and execution statistics are computed for each SQL statement in the STSDThe effects of DDL and DML are considered to produce the execution plan and execution statistics

单选题Which statement is true regarding the password-recovery process?()AYou must have a console connectionBYou cannot set the console port to an insecure modeCYou must press the Enter key so that you can boot into single-user modeDWhen prompted to enter the full pah name of the shell you must press the Enter key

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To make audit information more productive, the DBA executes the following command before starting an auditoperation: SQL ALTER SYSTEM SET AUDIT_TRAIL=DB,EXTENDED SCOPE=SPFILE; Which statement is true regarding the audit record generated when auditing starts after restarting Thedatabase()AIt contains only the plan for the SQL statement executed by the user.BIt contains the SQL text executed by the user and the bind variables used with it.CIt contains the plan and statistics associated with the SQL statement executed by the user.DIt contains the plan for the SQL statement executed by the user and the bind variables used with it

单选题Which of the following is true regarding Label Distribution Protocol (LDP)?()AIt is a label distribution protocol for MPLSBIt is a set of procedures and messages by which LSRs establish Label Switch Paths (LSPs) through a networkCTag distribution Protocol (TDP) was the basis for LDPDAll of the above are true

单选题Identify the true statement regarding Temporary Coherence cluster members()A it should have localstorage set to TRUEB it should be configured so as to not trigger re-partitioning C both A and B are TRUED Neither A and B are TRUE

单选题At 2200 you take the following loran readings: 9960-W-15064.5; 9960-Y-43954.8. Which statement is TRUE? ()AThe current is floodingBYou are being set to the left of the trackCThe set is towards the southwestDThe drift is 0.6 knot.