In securing a towing cable，consideration must be given to letting go in an emergency．The possible whip of towlines when released can be overcome by ______．A.increasing the shaft RPM prior to releaseB.using a pelican hook for quick releaseC.using preventersD.using a short chain for the lead through the stern chock
In securing a towing cable，consideration must be given to letting go in an emergency．The possible whip of towlines when released can be overcome by ______．
A.increasing the shaft RPM prior to release
B.using a pelican hook for quick release
C.using preventers
D.using a short chain for the lead through the stern chock
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单选题An ocean towing bridle should（）.Ahave equal legs of sufficient lengthBhave a large angle between the legsCbe formed on a bight of cable through a ringDnever be made up of chain
单选题Before letting the anchor go，you should check that the（）.Achain is clearBanchor is clear of obstructionsCwildcat is disengagedDAll of the above
单选题In the design of hydraulic piping and equipment consideration is given to minimize turbulence in the hydraulic fluid, as this will cause（）Amolecular fluid vibrationBenergy lossesCwide pressure variationsDmechanical damage to control valves
单选题In securing a towing cable，consideration must be given to letting go in an emergency. The possible whip of towlines when released can be overcome by（）.Aincreasing the shaft RPM prior to releaseBusing a pelican hook for quick releaseCusing preventersDusing a short chain for the lead through the stern chock
单选题A situation has occurred in which your vessel must be towed. When the towing vessel passes the towing line to you，you should secure the line（）.Ato the base of the foremastBto the forward-most bittsCto the forward part of the deckhouseDat the stern
单选题To safely anchor a vessel there must be sufficient scope in the anchor cable. Scope is the ratio of（）.Aweight of cable to weight of vesselBweight of cable to weight of anchorClength of anchor to depth of waterDlength of cable to depth of water
单选题With the buttress securing system，containers of different heights must be stowed（）.Aon the bottom tier on deckBin the holdCnext to the buttress towerDon the top tier
单选题When loading containers into the cell guides in the hold of a container ship，which statement is TRUE?（）.ANo further securing is usually requiredBContainers must have vertical lashings if they do not have twist lock securingCAll containers must have vertical and horizontal lashingsDThe container must be locked into the cell guide
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