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block

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?

選擇正確的答案  

(0/0)

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

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

You may not load beyond the winter mark except for 2 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

none

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

選擇正確的答案  

(0/0)

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rolling period

pitching period

inclining moment

amplitude moment

none

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

選擇正確的答案  

(0/0)

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about which the vessel lists and trims

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

which coincides with the center of buoyancy

which is shown in the hydrostatic tables as VCB

none

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

選擇正確的答案  

(0/0)

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LHA and LCG

LCB and LCG

LCF and LCG

LCB and LCF

none

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

選擇正確的答案  

(0/0)

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LCF and LCB

LCG and LCB

VCG and LCG

metacenter and LCG

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?

選擇正確的答案  

(0/0)

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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

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?

選擇正確的答案  

(0/0)

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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

Use the CO2 system and evacuate the engine room

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?

選擇正確的答案  

(0/0)

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LBP

LOA

LWL

LLL

none

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

選擇正確的答案  

(0/0)

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remain constant

decrease

increase

change, depending on the location of the LCG

none

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

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underwater volume

above water volume

waterplane area

amidships section

none

The center of flotation of a vessel is _____

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(0/0)

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the center of gravity of the water plane

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

the center of volume of the immersed portion of the vessel

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

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 _____

選擇正確的答案  

(0/0)

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is at right angles to the true wind

first takes the shape of an airfoil

is filled with a slight flap at the leech

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)

選擇正確的答案  

(0/0)

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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

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

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be tender

trim by the head

trim by the stern

be on an even keel

none

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?

選擇正確的答案  

(0/0)

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

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