AB Deck Seamanship & Line Handling 3

Question 1

What does the term 'bight' refer to when working with lines?

Accepted Answer

A loop or curve in a line that does not cross itself

Answer

A bight is any curved section of line between the two ends that forms a loop without crossing itself.

Question 2

When securing a line to a cleat, how many figure-eight turns should be taken before finishing with a locking hitch?

Accepted Answer

Two

Answer

Two figure-eight turns around a cleat provide sufficient holding power before adding a single locking hitch to complete the belay.

Question 3

What is a 'preventer' line used for on deck?

Accepted Answer

A secondary line rigged to prevent sudden uncontrolled movement of a spar or boom

Answer

A preventer is a secondary line rigged to a boom or spar to prevent an accidental jibe or uncontrolled swing.

Question 4

Which condition most increases the risk of a mooring line parting unexpectedly?

Accepted Answer

The line shows heat glazing or melted fibers from previous slipping

Answer

Heat glazing reduces a synthetic line's strength significantly and indicates internal fiber damage that can cause sudden parting under load.

Question 5

When passing a line through a closed chock, what is the correct method?

Accepted Answer

Use a messenger line led through the chock first

Answer

A light messenger line is rove through the chock first, then used to pull the heavier mooring line through.

(AB) Able Seaman Exam Practice Test