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

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单项选择题

What is NOT a precaution to be taken when topping off? （）

A.Reduce the loading rate
B.Notify the engine room of the procedure
C.Maintain communications with the dock man
D.Give the operation your undivided attention

单项选择题

What is an example of the term Restraint of Rulers，Princes，or Peoples in a marine insurance policy? （）

A.A prohibition from loading a cargo from a country when the cargo may be a carrier of infectious diseases
B.Arrest of a vessel by legal authorities to satisfy claims through exercise of a maritime lien
C.Damage caused by riot of the population of a port
D.Losses caused by fines from polluting the harbor after malfunction of a piping system

单项选择题

What is a characteristic of all centrifugal cargo pumps? （）

A.They are self-priming
B.Decreasing the speed of rotation will decrease the discharge pressure
C.Opening the discharge valve wider will increase the discharge pressure
D.All of the above