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单选题
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 increases
B
is at a maximum when the boom is at a 45° angle to the horizontal
C
increases as the boom's angle to the horizontal decreases
D
decreases as the boom's angle to the horizontal decreases
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更多 “单选题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” 相关考题
考题
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
考题
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
考题
You are on a multiple-product tanker and scheduled to load a cargo classed as an aromatic amine．This cargo is incompatible with cargoes classed as ______．A.organic anhydridesB.ketonesC.phenolsD.esters
考题
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
考题
Mousing a cargo hook with marline or small line ______.A.increases the lifting capacity of the hookB.protects the hook from the sling ringC.prevents the sling ring from coming out of the hookD.All of the above
考题
大副告诉装卸工人不要用钩子装袋装货。（）A、The chief officer told the stevedores not to use hooks to load the deck cargo.B、The bosun told the stevedores not to use hooks to load the bagged cargo.C、The chief officer told the stevedores not to use hooks to load the bagged cargo.D、The bosun told the stevedores not to use hooks to load the deck cargo.
考题
单选题If the moisture content of the cargo sample is（）the Transportable Moisture Limit,then the cargo should be safe to load.A
aboveB
belowC
equal toD
uncertain
考题
单选题杂货船可以用自己的吊杆装卸货物。（）A
General cargo ships may load and discharge by her own winch.B
Bulk carriers may handle cargo by her own derricks.C
General cargo ships may load and discharge by her own derricks.D
General cargo ships may load and discharge by cranes.
考题
单选题The load line certificate is issued by（）.A
CCSB
the National Cargo BureauC
MSAD
PRC Customs
考题
单选题The term "load on top" is used on many crude oil carriers, is to provide a method for （）.A
calculating the ullage in the cargo tanksB
loading ballast by gravityC
the loading of new cargo into the slop tank as a procedure to minimize pollutionD
calculating the ratio of cargo expansion in a cargo tank
考题
单选题The force acting on a single cargo runner which is vertically lifting or lowering a load is greatest when（）.A
decelerating when lowering the loadB
decelerating when raising the loadC
lowering the load at constant speedD
raising the load at constant speed
考题
单选题The （）(双杆联吊) is that two booms are used with a single hook.A
derrickB
union purchaseC
topping lift blockD
crane
考题
单选题For a given weight of cargo，the stress on the heel block of a cargo boom（）.A
increases as the cargo closes the head while hoistingB
increases if the cargo runner is doubled upC
decreases as the boom is topped to a greater angleD
is determined by the thrust stresses on the boom
考题
单选题大副告诉装卸工人不要用钩子装袋装货。（）A
The chief officer told the stevedores not to use hooks to load the deck cargo.B
The bosun told the stevedores not to use hooks to load the bagged cargo.C
The chief officer told the stevedores not to use hooks to load the bagged cargo.D
The bosun told the stevedores not to use hooks to load the deck cargo.
考题
单选题A （）is at the end of the cargo runner for picking up the load.A
slingB
hookC
blockD
tackle
考题
单选题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
考题
单选题Mousing a cargo hook with marline or small line（）.A
increases the lifting capacity of the hookB
protects the hook from the sling ringC
prevents the sling ring from coming out of the hookD
All of the above
考题
单选题A bench hook is used for（）.A
handing of cargo casesB
handing oilskingsC
sewing canvasD
splicing small stuff
考题
单选题A clause in the charter party requires a vessel’s owner to pay dispatch money when the vessel （）.A
changes berths to expedite loading or dischargingB
does not load and discharge its cargo in the time specifiedC
is not ready to load or discharge cargoD
loads and discharges its cargo in less time than specified
考题
单选题Load line regulations are designed to insure that a vessel has adequate structural strength and sufficient（）.A
lifesaving equipmentB
stabilityC
mooring tensionD
riser tension
考题
单选题In a general cargo crane, （） is fitted to lift the cargo load.A
the slewing motorB
the luffing motorC
the hoisting motorD
none of the above
考题
单选题（）will take three days to load the cargo.A
ThatB
ThisC
ItD
What
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