A.No credentials are required since you operate on inland waters only
B.Social Security card
C.State driver's license with photo ID
D.Merchant Mariner's Document
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A.Cut in another IG fan to increase gas flow
B.Open the pressure control valve until the pressure increases
C.Open the tank isolation valve to the fully open position
D.Reduce the pumping rate
A.Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleaned
B.The hoses to portable cleaning machines should be disconnected before the machines are removed from the tank
C.The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residue
D.Steam cleaning and water washing are both capable of generating electrostatic charges within a tank
A.Isoprene may be carried in a cargo tank adjacent to either of the other two cargoes
B.Methyl methacrylate may not be carried in a tank adjacent to a pump room
C.Methyl methacrylate must usually be heated to maintain its stability
D.Portable thermometers are not permitted to be used to take the cargo temperature of triethylamine
A.Each of the cargoes must be segregated from the other by at least two barriers
B.The minimum protective clothing required for taking samples of phosphoric acid is goggles or a face shield
C.Aluminum，copper，and zinc are prohibited in all valve parts in contact with these cargoes
D.The required warning sign must have the legend "cancer hazard" added to it
A.Keep well clear of the vessel because she is on fire and has dangerous cargo on board or she is leaking dangerous cargo
B.Attempt to call the vessel on VHF radiotelephone because she is requesting to communicate
C.Approach the vessel with caution because she is dragging her anchor
D.Proceed on present course and speed since the vessel is requesting a tug
最新試題
You are approaching another vessel and see that she has the signal flag “J” hoisted. What should you do?（）
Which statement(s) is/are TRUE concerning crane cargo operations? （）
Hanging a barge off means to（）.
If the goods are not taken delivery of by the receiver from alongside the vessel without delay，the carrier shall be at liberty to land such goods on shore or any other proper places （）.
While on watch at sea you must maintain a proper lookout at all times. On a 700-foot cargo vessel being hand-steered during daylight hours in good visibility and clear of any navigational hazards，the lookout may be（）.
If any cargo is damaged，the insurance company usually pays to the cargo owner a sum of money equal to the value of（）.
You are on a cargo vessel carrying toluol in bulk in portable tanks. Which is a requirement for pumping the toluol? （）
In time charter-party，（）is to indemnify the owners against all consequences or liabilities arising from the master signing bills of lading or otherwise complying with such orders.
You are carrying triethylamine，methyl methacrylate and isoprene in your multiple-product tanker. Which of the following statements is true? （）
Why are most break bulk vessels built with the transverse framing system rather than the longitudinal system? （）