The safe working load of the （）is 100 tons.A、single derrickB、derrickC、heavy derrickD、deck
The safe working load of the （）is 100 tons.
- A、single derrick
- B、derrick
- C、heavy derrick
- D、deck
相关考题：
Cargo booms must be weight tested to recertify the Safe Working Load（SWL）every ______．A.YearB.Two yearsC.Four yearsD.Five years
The safe working load for the assembled cargo gear and the minimum angle to the horizontal for which the gear is designed shall be marked on the ______．A.deckB.head of the boomC.heel of the boomD.mast or king post
When a cargo boom or crane is rated at varying capacities，there will be a table at the controls which relates safe working load to ______．A.winch speedB.boom strengthC.load radiusD.cable strength
材料：An aircraft lift on board RFA Argus was loaded beyond its safe working load of 18.4 tonnes．There were no injuries to any personnel，or material damage to the ship or its equipment．During a planned stay in port，500 compressed CO2 cylinders were required to be landed．These were normally stowed on a lower deck and needed to be transferred to the weather deck before being taken ashore．Before the vessels arrival in port，the planned operation was discussed between various officers and senior ratings，one of whom was to supervise final discharge of the cylinders from the ship．Once in port，a senior rating gave instructions to three juniors to transfer a number of cylinders to the weather deck．He then left them alone to load the cylinders onto the platform. of an aircraft lift．The cylinders weighed 19.95 tonnes，which was greater than they had been instructed to load．In addition to this excess weight they added a fork lift truck weighing 5.5 tonnes．The lift was then raised．When it reached the weather deck，the lift was unable to stow at the correct level．When investigated it was discovered that the load of both CO2 bottles and the fork lift truck was greater than its safe working load（SWL）and this had prevented the locking cleats at the flight deck（weather deck）engaging．问题：The lift was taken out of service for testing and inspection． The safe working load of the aircraft lift is ________ tonnes．A.18.4B.19.95C.5.5D.500The aircraft lift was overloaded by a weight which is ________ more than its SWLA.1.55B.3.95C.5.5D.7.05It is implied in the passage that ________．A.the lift should be raised slowly to avoid the accidentB.the aircraft lift on board RFA Argus should be driven by super powerC.the senior rating should give instructions in more detail to the three juniors to transfer a number of cylinders to the weather deckD.if the unloading operation was supervised by an officer who has sufficient experience of the loads，lifting equipment and the overall operation，the accident would had been avoidedIt was the ________ that had prevented the locking cleats at the flight deck（weather deck）engaging．A.fork liftB.CO2 bottlesC.overloaded weightD.the three juniors请帮忙给出每个问题的正确答案和分析，谢谢！
A bridle for an ocean tow consists of ______.A.two chains of equal lengthB.a single nylon pendant rove through a heavy ring free to move on the pendantC.two long legs of wire rope shackled to a fishplateD.a single length of heavy chain with both ends secured on deck to welded pad eyes
In relation to cargo gear, what does SWL mean ?______.A.Safe working loadB.Ship’s working liftC.Starboard wing liftD.Stress, weight, load
The（）(千斤索) is a wire used to take the weight off.A、light derrickB、union purchaseC、topping liftD、heavy derrick
This （）was repaired in Singapore.A、damaged derrickB、damaging derrickC、derrick to be damagedD、derrick
The （）(千斤滑车) can run the gooseneck.A、heavy derrickB、pulley blockC、topping lift blockD、guy tackle
单选题A bridle for an ocean tow consists of（）.Atwo chains of equal lengthBa single nylon pendant rove through a heavy ring free to move on the pendantCtwo long legs of wire rope shackled to a fishplateDa single length of heavy chain with both ends secured on deck to welded pad eyes
单选题Cargo booms must be weight tested to recertify the Safe Working Load (SWL) every（）.AyearBtwo yearsCfour yearsDfive years
单选题When a cargo boom or crane is rated at varying capacities，there will be a table at the controls which relates safe working load to（）.Awinch speedBboom strengthCload radiusDcable strength