The principal danger from ice collecting on a vessel is the().
- Adecrease in capabilities of radar
- Bdecrease in displacement
- Cadverse effect on trim
- Dloss of stability
The principal danger from ice collecting on a vessel is the().
1、The principal purpose of adjustment of
The principal purpose of adjustment of the magnetic compass is to eliminate()as far as possible.AvariationBcompass errorCdeviationDearth's magnetic force
2、0ne of the principal dangers inherent
0ne of the principal dangers inherent in liquified petroleum gas is().Aas it warms up it becomes heavier than airBthe way it reacts with sea waterCthe strong odor it producesDits low temperature causes frostbite or freezing
3、The captain ordered the dangerous carg
The captain ordered the dangerous cargo on derk()to lighten the ship and minimized the risk at sea.Abe jettisonedBbe droppedCbe divedDbe abandoned
The principal is usually the importer.A正确B错误
5、Convection is the principal means () t
Convection is the principal means () temperature is equilibrated in liquids and gases.Ain whichBon whichCby whichDfrom which
6、What is the principal danger from the
What is the principal danger from the liquid in a half full tank onboard a vessel?()ACorrosion from the shifting liquidBRupturing of bulkheads...