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
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.deck
B.head of the boom
C.heel of the boom
D.mast or king post
相关考题：
On a crane, the boom indicator tells the operator what angle the boom angle is compared to the ______.A.vertical positionB.horizontal positionC.boom stop angleD.minimum radius angle
With a given load on the cargo hook，tension in a single span topping lift ______.A.increases as the boom's angle to the horizontal increasesB.is at a maximum when the boom is at a 45° angle to the horizontalC.increases as the boom's angle to the horizontal decreasesD.decreases as the boom's angle to the horizontal decreases
With a given load on the cargo hook，the thrust on a cargo boom ______.A.increases as the angle to the horizontal increasesB.increases as the angle to the horizontal decreasesC.is greatest at an angle of 45° and decreases as the boom is raised or loweredD.is least at an angle of 45° and increases as the boom is raised or lowered
Cargo booms must be weight tested to recertify the Safe Working Load（SWL）every ______．A.YearB.Two yearsC.Four yearsD.Five years
If the cargo gear on your vessel is equipped with a regular guy and a preventer guy，you should ______．A.Let the schooner guy take most of the strain，thus transferring the load to the opposite boomB.Leave the preventer guy slackC.Secure them as close together as possible on deckD.Secure them so the angle between them is 90° at the boom head
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
If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur ________．A.A pawl，forced by a spring mechanism，will engage the teeth of the bull gear and hold the loadB.An electromagnetic brake will hold the load where it is suspendedC.The load will fall rapidly to the deck unless the foot brake is engagedD.The load will slowly lower to the deck under control of the drag of the winch motor
______is an angle at which a cargo settles in the hold of a ship，between the horizontal and the slope made by a bulk cargo such as grain or iron ore．A.Angle of lollB.Angle of inclinationC.Angle of reposeD.Angle of list
In relation to cargo gear, what does SWL mean ?______.A.Safe working loadB.Ship’s working liftC.Starboard wing liftD.Stress, weight, load
单选题If the moisture content of the cargo sample is（）the Transportable Moisture Limit,then the cargo should be safe to load.AaboveBbelowCequal toDuncertain
单选题The downflooding angle for a ship is the minimum angle at which（）.Athe load line becomes submergedBa non-watertight opening is at still water levelCoffset becomes excessiveDreserve buoyancy is a maximum
单选题In relation to cargo gear,what does SWL mean?（）.ASafe working loadBShips working liftCStarboard wing liftDStress , weight , load
单选题In relation to cargo gear，what does SWL mean?（）.ASafe working loadBShip's working liftCStarboard wing liftDStress，weight，load
单选题The MINIMUM acceptable size for a towing bridle would be that size in which the safe working load (SWL) of each leg of the bridle is equal to（）.Aone-half the SWL of the main towing hawserBthree-fourths the SWL of the main towing hawserCthat of the main towing hawserDtwice that of the main towing hawser
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
单选题Electric cargo winches have an overload safety device which normally cuts the current to the winch motor（）.Aafter torque causes line pull to exceed the rated capacity of the winchBbefore the line pull reaches the rated capacity of the winchCwhen the line pull reaches the breaking strength of the fallDbefore the safe working load of the fall is reached
单选题If the cargo gear on your vessel is equipped with a regular guy and a preventer guy，you should（）.Alet the schooner guy take most of the strain，thus transferring the load to the opposite boomBleave the preventer guy slackCsecure them as close together as possible on deckDsecure them so the angle between them is 90°at the boom head
单选题Blocks and falls used as lifeboat gear must be designed with a minimum safety factor of（）.A4，based on the breaking strengthB5，based on the maximum allowable stressC6，based on the maximum working loadD8，based on the normal working load
单选题With a given load on the cargo hook，the thrust on a cargo boom（）.Aincreases as the angle to the horizontal increasesBincreases as the angle to the horizontal decreasesCis greatest at an angle of 45° and decreases as the boom is raised or loweredDis least at an angle of 45° and increases as the boom is raised or lowered
单选题With a given load on the cargo hook，tension in a single span topping lift（）.Aincreases as the boom's angle to the horizontal increasesBis at a maximum when the boom is at a 45° angle to the horizontalCincreases as the boom's angle to the horizontal decreasesDdecreases as the boom's angle to the horizontal decreases
单选题According to regulations，a cargo hose used for transferring liquefied gases must have a bursting pressure of（）.A5 times the maximum working pressure on the hose during cargo transferBone half the designed working pressureC4 times the pressure of the cargo pump used for transferringD5 times the minimum working pressure on the hose during cargo transfer
单选题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（）.AdeckBhead of the boomCheel of the boomDmast or king post
单选题Cargo booms must be weight tested to recertify the Safe Working Load (SWL) every（）.AyearBtwo yearsCfour yearsDfive years