AB Ship Construction and Cargo 4

Question 1

What is the 'camber' of a ship's deck?

Accepted Answer

The transverse curvature of the deck, higher at the centerline than at the sides

Answer

Camber (or round of beam) is the athwartship curvature of a deck, sloping from the centerline down to the sides to aid water drainage.

Question 2

What is the function of scuppers on a vessel?

Accepted Answer

To drain water from the deck overboard

Answer

Scuppers are openings in the ship's side at deck level that allow water accumulated on deck to drain overboard.

Question 3

Dangerous goods classified as 'Class 2' under the IMDG Code are:

Accepted Answer

Gases

Answer

IMDG Class 2 covers gases, including flammable gases (2.1), non-flammable non-toxic gases (2.2), and toxic gases (2.3).

Question 4

The 'garboard strake' refers to:

Accepted Answer

The row of hull plating immediately adjacent to the keel

Answer

The garboard strake is the first row of hull plating on each side immediately adjacent to and running alongside the keel.

Question 5

When stowing cargo, what does 'dunnage' refer to?

Accepted Answer

Wood, matting, or other material placed between or under cargo to protect it and allow air circulation

Answer

Dunnage is material (typically wood boards or matting) placed under or between cargo to prevent damage, allow ventilation, and provide drainage.

(AB) Able Seaman Exam Practice Test