单项选择题

What is the holding power ratio of an anchor? （）

A.Maximum mooring line tension divided by the anchor's weight in air
B.Anchor's weight in air divided by the maximum mooring line tension
C.Preloading tension divided by the anchor's weight in air
D.Operating tension divided by the anchor's weight in air

点击查看答案&解析

上一题目录下一题

相关考题

单项选择题

What is the function of wearing rings found on some centrifugal pumps? （）

A.Absorb erosion of high velocity discharge stream
B.Seal pump shaft against entry of air
C.Isolate the outlet side from the inlet side
D.Dampen the turbulent discharge flow

单项选择题

What is the best indication of the loading of a diesel engine?（）

A.Oil temperature
B.Manifold pressure
C.Exhaust gas temperature
D.Fuel consumption

单项选择题

What is NOT a responsibility of the tankerman in charge of loading an unmanned tank barge? （）

A.Enforcement of smoking restrictions
B.Restricting vessels from coming alongside the barge
C.Insuring that a combustible gas indicator is aboard
D.Protecting cargo hose with chafing gear