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block

Your vessel is damaged with no list, but down by the stern. There is progressive flooding and trim by the stern is increasing. What is the effect on transverse stability after the deck edge at the stern is submerged?

Select the correct answer(s).  

(0/0)

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BM decreases from loss of water plane and greater volume

KB increases, increasing BM and therefore GM

There is no effect on transverse stability

KG increases due to the weight of the added water on deck

none

The stability which remains after a compartment is flooded is called _____

Select the correct answer(s).  

(0/0)

---

Damage stability

Immersion stability

Intact stability

Initial stability

none

Your vessel is damaged, and there is no list or trim. The rolling period is short. The freeboard before the damage was 12"02' (3.7 meters). It is now reduced to 3'-00" (1 meter). Which action would you take first?

Select the correct answer(s).  

(0/0)

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Transfer ballast from the peak tanks to an amidships centerline tanks

Press up a slack centreline double bottom tank

Pump out the marine potable tank located on the starboard side amidships.

Pump out amidships centerline ballast tanks

none

You are on the SS American Mariner and involved in a collision. Your draft has increased uniformly and there is about 4 feet of freeboard remaining. The vessel is on an even keel and has a long rolling period. The roll is sluggish, and the vessel hangs at the ends of a roll. Which of the following actions would you take first to correct the situation?

Select the correct answer(s).  

(0/0)

---

Flood any empty double bottom tanks to decrease KG

Jettison topside weights to increase freeboard

Pump out flooding water in the cargo holds to reduce free surface

Pump out a slack double bottom tank to reduce free surface

none

Your vessel is damaged and partially flooded. It is listing 12° to port and trimmed 8 feet down by the head. It has a long, slow, sluggish roll. Which action should you take first?

Select the correct answer(s).  

(0/0)

---

Jettison the anchors and anchor cables

Pump out the forepeak tank

Jettison deck cargo from the port side

Press up an after, slack, centerline double bottom tank

none

Your vessel is damaged and is listing to port. The rolling period is short. There is sufficient freeboard so that deck edge submersion is not a problem. What corrective action should be taken first in regard to the vessel's stability?

Select the correct answer(s).  

(0/0)

---

Shift any off-center weights from port to starboard

Press up any slack double-bottom tanks to eliminate free surface.

Jettison topside weights to reduce KG and KB.

Flood any empty double-bottom tanks to add weight low and down.

none

A vessel trimmed by the stern has a _____

Select the correct answer(s).  

(0/0)

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Set

Sheer

Drag

List

none

With damaged floating vessels, the most important consideration is the preservation of _____

Select the correct answer(s).  

(0/0)

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Reserve buoyancy

Level attitude

Instability

Bilge pumping capacity

none

Your vessel is damaged and on even keel. There is no trim. The greeboard is reduced to less than 1 foot. The rolling period os very long, and the vessel il sluggish in returning from a roll. Which action would you take first to improve stability?

Select the correct answer(s).  

(0/0)

---

Press up a centerline double bottom that is now filled to 15% capacity

Pump out the peak tanks simulteanously

In calm seas lower the lifeboats to the water and keep them alongside

Rig the jumbo boom and use it to jettison heavy deck cargo

none

Your vessel is damaged and listing to port. There is a short rolling period around the angle of list. The port side freeboard is reduced to 1 foot. There is no trim and the weather is calm. You should first _____

Select the correct answer(s).  

(0/0)

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Pump out a slack marine portable tank located on the portside amidships

Press up a slack double bottom tank on the port side

Jettison the anchors and anchor cables

Fill an empty centerline double bottom tank

none

The weight of the liquid displaced by a vessel floating in sea water is equal to the _____

Select the correct answer(s).  

(0/0)

---

Displaced volume

Reserve buoyancy

Weight required to sink the vessel

Total weight of the vessel

none

Your vessel has been in a collision. After assessing the damage, you begin down flooding. This will cause the KB to do what?

Select the correct answer(s).  

(0/0)

---

Fall

Remain stationnary

Rise

Shift to the high side

none

Your vessel is damaged and listing to port. The roling period is long, and the vessel will occasionally assume a starboard list. Which action should you take first?

Select the correct answer(s).  

(0/0)

---

Pump out balast from the port and starboard double bottom tanks

Transfer all possible movable weights from port to starboard

Fill an empty double bottom tank on the starboard side

Press up a slack centerline double bottom tank.

none

Your vessel is listing to 4° to port and has a short rolling period. There is loose firefighting water in the hull. The ship is trimmed down by the head with one foot of freeboard at the bow. Which action should you take first?

Select the correct answer(s).  

(0/0)

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Eliminate the water in the tween decks aft

Jettison stores out of the paint locker in the forecastle

Press up the slack NO.1 starboard double bottom tank

Pump out the forepeak tank

none

Your vessel has been holed in #1 hold and partially flooded. The hole is plugged against further flooding. In calculating the effect of the flooding on your transverse stability, you should use which method?

Select the correct answer(s).  

(0/0)

---

Lost buoyancy method

Added weight method

Factor of subdivision method

Compartment standard method