更多"On tank vessels equipped with power"的相关试题:
[单项选择]When checking the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery，the atmosphere must be sampled（）.
A. one meter from the tank bottom and one meter below the tank top
B. one half the ullage of the tank and one meter below the tank top
C. one half the ullage of the tank and one meter above the tank bottom
D. at three meter intervals from the tank top
[单项选择]By regulation，cargo tank atmosphere must be inert before and during which operation?（）
A. Stripping
B. Loading
C. Cleaning
D. All of the above
[单项选择]How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?（）.
A. With gooseneck vents
B. With warning signs
C. With flame screens
D. With pressure-vacuum relief valves
[单项选择]While testing a cargo tank，your oxygen indicator reads 25% oxygen in the tank. You would then （）.
A. enter the tank safely
B. suspect the accuracy of the reading
C. ventilate the tank
D. test for nitrogen
[单项选择]You are loading a cargo tank on your container ship. The tank displays the red label shown. Which statement is TRUE? （）
A. The tank contains propylene
B. The tank's volume is 1077 cubic feet
C. There are three tanks in the shipment
D. The tank contains an oxidizing material
[单项选择]Every（）shall be fitted with a cargo tank cleaning system using crude oil washing.
A. existing crude oil tanker of 20000 tons deadweight and under
B. new crude oil tanker of 20000 tons deadweight and under
C. existing crude oil tanker of 20000 tons deadweight and above
D. new crude oil tanker of 20000 tons deadweight and above
[单项选择]A cargo tank that is initially gas freed，can be inerted by introducing inert gas by a process known as（）.
A. dilution
B. displacement
C. precipitation
D. Either A or B
[单项选择]（）shall be provided in every cargo tank and slop tank in accordance with the appropriate Resolutions.
A. A load on top system
B. Direct line system
C. Circle line system
D. An inert gas system
[单项选择]To determine which grades of cargo a tank vessel is permitted to carry you should（）.
A. refer to the vessel's Certificate of Inspection
B. examine the cargo tanks and fittings
C. ask the terminal supervisor or his representative
D. check the loading order
[单项选择]Regulations require that cargo pumprooms on tank barges (constructed in 1965) carrying grades B or C liquid cargoes have power ventilation systems which can completely change the air in （）.
A. 1 minute
B. 3 minutes
C. 5 minutes
D. 10 minutes
[单项选择]Regulations require that tank vessels handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by（）.
A. cofferdams
B. empty cargo spaces
C. gas tight bulkheads
D. areas equipped with power ventilation
[单项选择]Regulations require that pumprooms on tank vessels carrying grade C liquid cargo with machinery spaces below the freeboard deck be ventilated with（）.
A. power ventilation
B. gooseneck vents and flame screens
C. at least two ducts extending to the weather deck
D. a vent header system
[单项选择]Under the regulations for cargo vessels，which statement is TRUE concerning fireman’s outfits?（）
A. If a vessel carries two outfits，they may be stored in the same location
B. Each fireman's outfit shall contain a flame safety lamp of an approved type
C. Each fireman's outfit shall contain a fresh-air breathing apparatus
D. All of the above
[单项选择]Cargo vessels being navigated，and fitted with emergency lighting and power systems，shall have their emergency systems tested at least once（）.
A. a month
B. in each week
C. in every 6 months
D. in every 12 months
[单项选择]Oceangoing dry bulk cargo vessels over 1000 GT must have approved combination-type fire nozzles at all（）.
A. fire stations aboard the vessel，except for those in open deck areas weatherdeck and cargo hold fire stations
B. interior fire stations
C. engine room fire stations
D. all of the above
[单项选择]A firemans outfit carried onboard cargo vessels, must have a （）.
A. canister-type gas mask
B. fresh-air breathing apparatus
C. self-contained breathing apparatus
D. combustible gas indicator
