單項(xiàng)選擇題A single line of position combined with a dead-reckoning position results in a(n)().

A.estimated position
B.assumed position
C.fix
D.running fix


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1.單項(xiàng)選擇題A single barometric pressure reading of 28.60 indicates().

A.rapidly improving weather
B.deteriorating weather
C.a severe low pressure system
D.fair weather and calm

3.單項(xiàng)選擇題A signal indicating Greenwich mean time would be preceded with().

A.a code hoist to indicate Greenwich mean time to follow
B.the letter G
C.the letters GT
D.the letter Z

4.單項(xiàng)選擇題A sign of thunderstorm development is a cumulus cloud().

A.darkening,growing in size and forming an anvil top
B.that shows extensive vertical development
C.creating cold downdrafts that are felt on the ground
D.All of the above

5.單項(xiàng)選擇題A shipmate suffers a heart attack and stops breathing. You must().

A.administer oxygen
B.immediately check his pulse and start CPR
C.make the victim comfortable in a bunk
D.immediately give a stimulant,by force if necessary

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A vessel would be referred to as “stiff” when the weight of the cargo is().

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A shepherd’s crook is used to().

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A shipmate suffers a heart attack and stops breathing. You must().

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A series of trays with sieves that vibrate to remove cuttings from the circulating fluid in rotary drilling operations is called the().

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A ship having continuous closely spaced transverse strength members is().

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A seaman leaves a vessel before it sails from a foreign port. He informs the Chief Officer that he won’t return. After the vessel sails,the Chief Officer finds the seaman’s work clothes in his locker. How should the Master handle this matter?()

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A semisubmersible with a positive GM,and TCG located starboard of the centerline,inclines to an angle of().

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A vessel loads 5000 tons of manganese ore. The railroad cars that brought the ore to the vessel were previously loaded with iron ore so the ore is contaminated. The agent requests the Master to sign a Clean Bill of Lading and in return the shipper will give him a Letter of Indemnity. What is the best procedure to follow? ()

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A signal indicating zone time is preceded with the letter().

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