0 [{"id":499489,"quiz_id":"25739","answer_id":null,"answerType_id":"0","created_at":"2018-07-15 09:23:12","updated_at":"2018-07-15 10:02:53","questionName":"You are loading in a port governed by the tropical load line mark for a voyage to a port governed by the winter mark. The fresh water allowance is 5 inches, and the hydrometer reads 1.005. Which statement is true?","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":17,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null},{"id":499488,"quiz_id":"25739","answer_id":null,"answerType_id":"0","created_at":"2018-07-15 09:11:24","updated_at":"2018-07-15 10:02:53","questionName":"You are loading at port A, governed by the summer load line mark, for a voyage to port B, governed by the winter mark. The fresh water allowance is 10\", and the hydrometer reads 1.020. 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You are loading in a port governed by the tropical load line mark for a voyage to a port governed by the winter mark. The fresh water allowance is 5 inches, and the hydrometer reads 1.005. Which statement is true?

올바른 답변 선택  

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Your draft must not exceed the winter mark plus the fresh water allowance upon arrival off the discharge port

You may not load to the tropical zone plus 1 inch brackish water allowance

You must only load to the winter mark plus a brackish water allowance of 4 inches.

You must load so that each zone mark will not be submerged upon entering zone

none

You are loading at port A, governed by the summer load line mark, for a voyage to port B, governed by the winter mark. The fresh water allowance is 10", and the hydrometer reads 1.020. Which statement is true?

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You may not load beyond the summer mark plus 8 inches brackish water allowance

You may load to the summer mark plus 2 inches if you will be at the winter mark when entering the winter zone

You may not load beyond the winter mark except for 2 inches brackish water allowance

You may not load beyond the summer mark and must be at the winter mark upon arrival at port B

none

When a vessel's LCG is aft of her LCB, the vessel will _____

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trim by the stern

be tender

trim by the head

be on an even keel

none

The two point that act together to trim a ship are the _____

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LCG and LCB

metacenter and LCG

LCF and LCB

VCG and LCG

none

The center of flotation of a vessel is the point in the waterplane _____

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about which the vessel lists and trims

which coincides with the center of buoyancy

which is shown in the hydrostatic tables as VCB

which, in the absence of external forces, is always vertically aligned with the center of gravity

none

The center of flotation of a vessel is _____

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that point at which all the vertical downward forces of weight are considered to be concentrated

that point at which all the vertical upward forces of buoyancy are considered to be concentrated

the center of gravity of the water plane

the center of volume of the immersed portion of the vessel

none

After transferring a weight forward on a vessel, the draft at the center of flotation will _____

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decrease

change, depending on the location of the LCG

remain constant

increase

none

The time required to incline from bow down to stern down and return to bow down again is called _____

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inclining moment

rolling period

pitching period

amplitude moment

none

Which abbreviation refers to the horizontal distance between perpendiculars taken at the forward-most and the after-most point on a small passenger vessel's waterline at her deepest operating draft?

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LOA

LWL

LBP

LLL

none

The "trimming arm" of a vessel is the horizontal distance between the _____

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LCF and LCG

LCB and LCG

LCB and LCF

LHA and LCG

none

The center of flotation of a vessel is the geometric venter of the _____

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amidships section

above water volume

waterplane area

underwater volume

none

Your vessel is drifting with the wind broad on the port beam. The marconi sail is set and flapping free. As you sheet in the maximum drive is attained when the sail _____

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is at right angles to the true wind

is filled with a slight flap at the leech

first takes the shape of an airfoil

is 45° from the apparent wind

none

You are loading in the winter in Albany, N.Y., for a voyage to a port governed by the tropical load line mark. Which of the following statements is true? (Hydrometer reading in Albany is 1.000)

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You may load to the winter mark less the fresh water allowance if you will be at the tropical mark upon arrival in the tropical zone.

You may not exceed the winter load line mark when you finish loading except for the burnout to sea.

The freshwater allowance and burnout to sea may be substracted from the required freeboard in Albany

You may calculate the burnout necessary to reach the tropical zone and load extra cargo to compensate

none

Your vessel is equipped with a fixed CO2 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?

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Use the CO2 system and evacuate the engine room

Use the fire main system and evacuate the engine room

Evacuate the engine room and use the fire main system

Evacuate the engine room and use the CO2 system

none

You are bound from port A governed by the summer load line mark to port B also governed by the summer mark. The great circle track will take you into a zone governed by the winter mark. Which statement is true?

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You can load so that upon arrival at pier at port B your freeboard is equal to the summer mark less any fresh water allowance.

You must be at the winter mark when you enter the winter zone and cannot exceed the summer mark upon departing port A.

You cannot load beyond the summer mark at port A and must be at the winter mark upon arrival at port B

You can only load to the winter mark plus any fresh water allowance and burnout to sea at port A