What is the purpose of the equalizing beam aboard a crane vessel ________．A.It allows for rotation of the hook in the single modeB.It is required to“twin-up”30-ton pedestal cranesC.It is used to pick up light loadsD.It is used to rigidly connect two cranes
What is the purpose of the equalizing beam aboard a crane vessel ________．
A.It allows for rotation of the hook in the single mode
B.It is required to“twin-up”30-ton pedestal cranes
C.It is used to pick up light loads
D.It is used to rigidly connect two cranes
相关考题：
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What is the purpose of the relief valve of a cargo pump ________．A.Provides for the removal of vaporsB.Allows two or more tanks to be filled at the same timeC.Provides for the emergency shutdown of the pumpD.Permits the return of cargo to the suction side of the pump
What benefit is a weather bulletin to a mariner ________．A.It provides a legal reason to cancel a projected voyageB.It allows the mariner to make long term weather forecastsC.It is of little benefit since the weather changes frequently and rapidlyD.It gives the mariner time to prepare for weather changes
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单选题If your vessel is equipped with a radiotelephone，what must also be aboard?（）ACertificate of InspectionBList of ship stationsCCopy of ship to shore channelsDRadio station license
单选题When the period of beam seas equals the natural rolling period of a vessel，what will most likely occur?（）AExcessive pitchingBExcessive yawingCExcessive rollingDNo change should be evident
单选题In vessel construction，beam brackets are triangular plates that join the deck beam to a（）.AbulkheadBframeCstanchionDdeck longitudinal
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You are requisitioning stores for your tank vessel. What type of matches are permitted aboard?（）APhosphorousBSafetyCSelf-extinguishingDWooden
单选题You are aboard the give-way vessel in a crossing situation．What should you NOT do in obeying the Rules（）.ACross ahead of the stand-on vesselBMake a large course change to starboardCSlow your vesselDBack your vessel
单选题Aboard a vessel, dividing the sum of the vertical moment by the total weight yields the vessel’s（）.Avertical momentBtransverse position of the center of gravityCinclining momentDrighting moment
单选题Consideration should be given in planning for the mooring orientation in a new location so that in adverse weather a crane is available to off-load the supply vessel on what side of the unit?（）AWeather sideBLeeward sideCUpwind sideDCrosswind side
单选题Which statement concerning maneuvering in restricted visibility is FALSE?（）.AA vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steeragewayBA vessel which hears a fog signal forward of her beam shall stop her enginesCA vessel which hears a fog signal forward of the beam shall navigate with cautionDIf a vessel determines by radar that a close-quarters situation is developing，she shall take avoiding action in ample time
单选题In vessel construction. Beam brackets are triangular plates than join the deck beam to a（）.AbulkheadBframeCstanchionDdeck longitudinal
单选题As a vessel falls off the wind from close-hauled to a beam reach，the tendency for the vessel to move sideways through the water will（）.AincreaseBdecreaseCchange only if the vessel comes about on the opposite tackDnot change