The tension on an anchor cable increases so that the angle o

With a given load on the cargo hook，tension in a single span topping lift ______.

A.increases as the boom's angle to the horizontal increases

B.is at a maximum when the boom is at a 45° angle to the horizontal

C.increases as the boom's angle to the horizontal decreases

D.decreases as the boom's angle to the horizontal decreases

The fluke angle of an anchor system is the angle between the ______.

A.flukes and the shank

B.shank and the sea bottom

C.mooring line and the sea bottom

D.flukes and the shackle

The angle at which the anchor flukes penetrate the soil is the ______.

A.burial angle

B.penetration angle

C.fluke angle

D.holding angle

Mariners proceeding across the main routes are recommended to do so at______．

A.as wide an angle as practicable

B.as wide an angle so practicable

C.like wide an angle as practicable

D.like wide as angle so practicable

With a given load on the cargo hook，the thrust on a cargo boom ______.

A.increases as the angle to the horizontal increases

B.increases as the angle to the horizontal decreases

C.is greatest at an angle of 45° and decreases as the boom is raised or lowered

D.is least at an angle of 45° and increases as the boom is raised or lowered

In a traffic separation scheme, when joining a traffic lane from the side, a vessel shall do so___.

A.only in case of an emergency or to engage in fishing within the zone

B.as nearly as practical at right angles to the general direction of traffic flow

C.at as small an angle as possible

D.only to anchor within the zone

The major components which determine the length of catenary in a deployed anchor cable are water depth，cable tension，and ______.

A.environmental forces

B.bottom conditions

C.cable weight

D.water density