單項選擇題In order to detect rot in manila lines,you should（）.

A.feel the surface of the line for broken fibers
B.measure the reduction in circumference of the line
C.observe any mildew on the outer surface
D.open the strands and examine the inner fibers


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題In order to discharge a C02 portable fire extinguisher , the operator must first（）.

A.invert the CO extinguisher
B.squeeze the two trigger handles together
C.remove the locking pin
D.open the discharge valve

2.單項選擇題In order to help protect a natural fiber rope from rotting , the line must be（）.

A.dried , and stowed in a place with adequate ventilation
B.stowed in a hot , moist compartment
C.stowed on deck at all times
D.stowed in any compartment

3.單項選擇題In order to retrieve an inflatable life raft and place it on deck , you should heave on the（）.

A.lifelines
B.righting strap
C.sea anchor
D.towing bridle

4.單項選擇題In radar plotting C.P.A.is the abbreviation of（）.

A.closest point to approach
B.close point to approach
C.crossing point to approch
D.coming point to approach

5.單項選擇題In relation to cargo gear,what does SWL mean?（）.

A.Safe working load
B.Ships working lift
C.Starboard wing lift
D.Stress , weight , load