The jumbo boom can lift heavy cargo, the gantry crane can hoist containers.（）A、重吊杆吊重货和集装箱货。B、龙门吊能起吊重件货，重吊杆能起吊集装箱。C、重吊杆能起吊重件货，龙门吊能起吊集装箱。D、龙门吊吊重货和集装箱货。
The jumbo boom can lift heavy cargo, the gantry crane can hoist containers.（）
- A、重吊杆吊重货和集装箱货。
- B、龙门吊能起吊重件货，重吊杆能起吊集装箱。
- C、重吊杆能起吊重件货，龙门吊能起吊集装箱。
- D、龙门吊吊重货和集装箱货。
相关考题：
________ is used for heaving up and slacking away the anchor and chainA.A winchB.A windlassC.A craneD.A jumbo boom
Stress on the topping lift of a swinging boom can be reduced by ______.A.rigging a back stayB.raising the boomC.increasing the mechanical advantage of the cargo purchaseD.taking all slack out of the preventer
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
Which part provides for transverse control and positioning of a boom in a conventional yard and stay system ________．A.GuyB.ShroudC.SpiderD.Topping lift
The jumbo boom can （）.A、lift heavy cargoB、load and unloadC、join ropes togetherD、lift light cargo
The （）(笨重货) must be handled by jumbo boom or shore crane.A、awkward cargoB、drummed cargoC、cased cargoD、heavy cargo
What is the disadvantage for air transportation? （）A、Quick but not safeB、Less frequencyC、It can’t lift heavy goodsD、The highest cost in all transport modes
（）is the disadvantage for air transportation?A、Quick but not safeB、Less frequencyC、It can’t lift heavy goodsD、the highest cost in all transport modes
单选题（）is the disadvantage for air transportation?AQuick but not safeBLess frequencyCIt can’t lift heavy goodsDthe highest cost in all transport modes
单选题The （）(笨重货) must be handled by jumbo boom or shore crane.Aawkward cargoBdrummed cargoCcased cargoDheavy cargo
单选题The jumbo boom can lift heavy cargo, the gantry crane can hoist containers.（）A重吊杆吊重货和集装箱货。B龙门吊能起吊重件货，重吊杆能起吊集装箱。C重吊杆能起吊重件货，龙门吊能起吊集装箱。D龙门吊吊重货和集装箱货。
单选题Stress on the topping lift of a swinging boom can be reduced by（）.Arigging a back stayBraising the boomCincreasing the mechanical advantage of the cargo purchaseDtaking all slack out of the preventer
单选题我们每航次拆卸一次吊杆。（）AWe dismantle the jumbo boom twice a voyage.BWe dismantle the derricks once a voyage.CWe examine the derricks once a voyage.DWe dismantle the heavy derricks once a voyage.
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What is the disadvantage for air transportation? （）AQuick but not safeBLess frequencyCIt can’t lift heavy goodsDThe highest cost in all transport modes
单选题The jumbo boom can （）.Alift heavy cargoBload and unloadCjoin ropes togetherDlift light cargo
单选题The majority of cargo gear breakdowns are a result of（）.AGuy failuresBTopping lift failuresCBending of the boom from compressionDGooseneck failure