A.when approved by the lockmaster
B.when locking downbound
C.at no time
D.during high water only
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A.it increases the likelihood of collision between the towing vessel and the disabled vessel
B.recreational boaters tend to make the heaving line fast to the towed vessel as if it were the towline
C.the monkey fist may injure someone
D.it may reduce the catenary and increase yawing
A.route
B.track
C.heading
D.course over the ground
A.course
B.track
C.heading
D.course over the ground
A.a difference in water pressure
B.the method of breaking up the water stream
C.the length of the applicator
D.All of the above
A.temperature of the air equals the temperature of the seawater
B.atmospheric pressure is 14.7 lbs. per square inch
C.relative humidity reaches 50%
D.air becomes saturated with water vapor
最新試題
Where advance freight is agreed upon，payment does not depend on delivery and must be made （）the ship is lost and the cargo never delivered.
The force exerted by a propeller which tends to throw the stern right or left is called（）.
In reaching a decision of detention，the port State control officer will have regard to （），making an allowance for fair wear and tear over the minimum acceptable scantlings.
The damage to a vessel is over $25，000. Who must notify the nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible? （）
The depth（）a shallow patch，lying about 1.3 miles southeastward of Nanshan Tou lighthouse reduces to about 6.1 meters.
According to Sinotime，during the period of this Charter，should the Vessel be requisitioned by the government of the Vessel’s nationality，hire to（）from the time of her requisition.
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Which statement about radio navigational warnings is TRUE（）.
The name and hailing port of a documented commercial vessel is（）.