When a line is spirally coiled about its end and lying flat on deck，it is said to be（）.

单项选择题What is TRUE about hoisting operations?（）

A.Personnel may work beneath suspended loads，as long as they are alert and wear hard hats
B.If a suspended load with no tag begins to spin，personnel should attempt to stop the spinning if the load is within reach
C.If tag lines are used to control a suspended load，they should be secured to the deck
D.Personnel not involved in the hoisting operation should be kept clear of the transfer area

单项选择题What is meant by the term TOPPING THE BOOM?（）

A.Lowering the boom
B.Raising the boom
C.Spotting the boom over the deck
D.Swinging the boom athwartships

单项选择题What danger is presented if a waterspout passes over a ship?（）

A.Heavy rains could cause downflooding
B.Visibility could be restricted by low clouds
C.Large waves could cause structural damage
D.Personnel may be injured by loose deck gear blown by the wind

单项选择题What（）to him is whether the job of a deck officer allows him to pursue his studies.

A.matters
B.happens
C.refers
D.applies

单项选择题To warp a vessel means to（）.

A.anchor the vessel
B.bring the head into the wind
C.clean the decks
D.move the vessel by hauling on lines