AB Ship Construction and Cargo 5

Question 1

A vessel is said to be 'hogging' when:

Accepted Answer

The bow and stern are higher than amidships, causing the keel to arch upward

Answer

Hogging occurs when the middle of the ship is supported by a wave crest or heavy midships loading, causing the bow and stern to droop relative to amidships.

Question 2

What is the purpose of a ship's 'accommodation ladder'?

Accepted Answer

To provide a portable stairway for boarding the vessel from a dock or water level

Answer

An accommodation ladder is a portable, adjustable stairway hung over the ship's side to allow personnel to board or disembark, especially at anchor.

Question 3

Which type of hatch cover is opened by folding sections to the side or ends of the hatch?

Accepted Answer

Folding (piggyback) hatch cover

Answer

Folding or piggyback hatch covers open by folding their panels in a piggyback arrangement to one end or side of the hatch coaming.

Question 4

In cargo stowage, 'separation' of incompatible goods is required primarily to:

Accepted Answer

Prevent dangerous chemical reactions or contamination between incompatible cargoes

Answer

Incompatible dangerous goods must be separated to prevent fire, explosion, or toxic reactions if they come into contact due to leakage or accident.

Question 5

What is the 'deadweight tonnage' (DWT) of a vessel?

Accepted Answer

The total weight of cargo, fuel, stores, crew, and passengers that a vessel can carry

Answer

Deadweight tonnage is the total mass a ship can safely carry, including cargo, fuel, ballast, provisions, crew, and passengers.

(AB) Able Seaman Exam Practice Test

(AB) Able Seaman Exam Practice Test

AB Ship Construction and Cargo 5