单项选择题
A.Radio checks and time checks B.Inter-vessel safety and search and rescue C.Working with helicopters D.Radio direction finding
The term MODERATE SPEED was previously interpreted as m...
单项选择题The term MODERATE SPEED was previously interpreted as meaning a speed which would enable a vessel()within half the range of visibility.
A.stopping B.to stop C.to be stopped D.to be stopping
The term BOLLARD PULL refers to a towing vessel’s().A.p...
单项选择题The term BOLLARD PULL refers to a towing vessel’s().
A.propulsion horsepower available B.pulling ability at cruise power C.towing winch capability D.pulling ability under static conditions
The tension on an anchor cable increases so that the an...
单项选择题The tension on an anchor cable increases so that the angle of the catenary to the seabed at the anchor reaches 10°. How will this affect the anchor in sandy soil?()
A.It will have no effect B.It will increase the holding power C.It will reduce the holding power D.It will cause the anchor to snag