Assessment Test

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1. C12 - If deck cargo is carried, it should be stowed in such a way that it:


2. C12 - How should cargo tank hatches be protected when the ullage opening is open and the tank NOT gas free?


3. C12 - How much space must you leave in a topped off tank for liquid expansion?


4. C12 - How does an inert gas system on a tanker function to prevent explosions in cargo tanks?


5. C12 - Each inert gas system must be designed to supply the cargo tanks with a gas, or mixture of gasses, that has an oxygen content by volume of __________.


6. C12 - Each inert gas system gas main must have an automatic shut down valve at the outlet of the gas production plant. This valve must close automatically upon __________.


7. C12 - Each hose in the fuel transfer system for helicopter refueling must have a __________


8. C12 - Each fire pump on a tankship must have a pressure gauge located at __________.


9. C12 - During the annual inspection by the owner, each nonmetallic oil transfer hose must not burst, bulge, leak, or abnormally distort under static liquid pressure of at least __________.


10. C12 - During loading, what is the minimum pressure required to be maintained by the inert gas system on cargo tanks?


11. C12 - During loading and discharging operations, in addition to when the cargo tanks have been properly filled, each inert gas system must be capable of maintaining a minimum gas pressure of __________.


12. C12 - Different types of cargo require different method of slinging, what would be the best type of sling for bagged cargo?


13. C12 - Combustible gas indicators measure the presence of combustible gas as a percentage of the __________.


14. C12 - Clean air standards referred to as "Grade D" apply to compressed air for use in __________.


15. C12 - Certain cargoes must be segregated because of their:


16. C12 - Cargoes that have the capacity of absorbing moisture are called:


17. C12 - Cargoes that gibes off fumes that may contaminate other cargo is known as a:


18. C12 - Cargoes of similar likes and types are called:


19. C12 - Cargo which has a stowage factor of 40 is termed:


20. C12 - Cargo ship fitted with refrigerating apparatus but capable also of carrying cargo other than refrigerated.


21. C12 - Capable carrying cargo other than refrigerated, fitted with refrigerating apparatus.


22. C12 - Camphor oil is classified as a grade:


23. C12 - Camphor oil is classified as a __________.


24. C12 - Before loading bulk grain, bilge wells must be covered to:


25. C12 - Are goods carried at a freight rate according to their value.


26. C12 - Are commodity groups or those that do not generate heat therefore do not require oxygen and does not produce CO2.


27. C12 - Are cargoes for which the ship is provided with an approved securing system based upon cargo units of specific types.


28. C12 - An O/O ship mean Ore/ Oil, but what can she really carry?


29. C12 - An important safety consideration and calls for fittings which permit rapid, easy and effective securing of cargoes for ro-ro and container vessels.


30. C12 - An example of a grade D product is __________.


31. C12 - An article of transport equipment that is of a permanent character and accordingly strong enough to be suitable for repeated use without immediate reloading.


32. C12 - All lashings used for the securing of timber shall be tested by a competent person to determine whether they, in the case of flexible steel wire ropes, are at least ________ in diameter.


33. C12 - All lashings and components used for securing should possess a breaking strength of not less than:


34. C12 - Activated charcoal is labeled with what color?


35. C12 - According to the regulations, what type of gauging is required for a cargo of butadiene?


36. C12 - According to the regulations, to prevent excessive pressure buildup in cargo tanks containing LFG, they are fitted with __________.


37. C12 - According to the regulations, normally, manholes in LFG tanks are located __________.


38. C12 - Access to a cargo pumproom on a tank vessel carrying grades A, B, C or D liquid cargoes shall be __________.


39. C12 - A wet cargo refers to:


40. C12 - A weight of 350 tons is loaded on your vessel 85 feet forward of the tipping center. The vessel's MT1 is 1150 foot-tons. What is the total change of trim?


41. C12 - A weight of 250 tons is loaded on your vessel 95 feet forward of the tipping center. The vessel's MT1 is 1000 ft-tons. What is the total change of trim?


42. C12 - A weight of 1,000 kips is equivalent to __________.


43. C12 - A vessel's mean draft is 29'-07". At this draft, the TPI is 152. The mean draft after loading 1360 tons will be __________.


44. C12 - A vessel's heavy displacement is 24,500 tons with light displacement of 13,300 tons. Fully loaded it carries 300 tons of fuel and stores. What is the vessel's deadweight?


45. C12 - A vessel with the TCG off the longitudinal centerline inclines to an angle of __________.


46. C12 - A vessel lists and trims about the __________.


47. C12 - A vessel is inclined at an angle of loll. In the absence of external forces, the righting arm (GZ) is __________.


48. C12 - A vessel is floating at a draft of 38'08" in salt water. What would she have to do in order to maintain the same draft in brackish water?


49. C12 - A vessel is equipped with cross connected deep tanks. In which situation should the cross-connection valve be closed?


50. C12 - A vessel having continuous closely spaced transverse strength members is __________.


51. C12 - A vessel has an amidships superstructure. Which location would be most suitable for on-deck stowage of automobiles?


52. C12 - A vessel floating in sea water displaces 717,500 cubic feet. What is the displacement?


53. C12 - A vertical division of a vessel, used as a part of the indication of a stowage place for containers.


54. C12 - A venetian vent or rice ventillator is used in stowage of which cargo?


55. C12 - A type of vessel used for rapid loading and discharging cargo of trailer, automobile, odd shaped and other conventional cargo.


56. C12 - A type of ventilation where the flow of air is controlled by the proper trimming of ventilation.


57. C12 - A type of lashing system used by means of levers and turnbuckles for chains, quick release tensioned for wire.


58. C12 - A tug should not come alongside a tank vessel in way of its cargo tanks while it is loading grade A, B, or C cargo without the permission of the ____________.


59. C12 - A term used to define the load capacity for a device used to secure cargo to a ship.


60. C12 - A technique used natural tendency of oil to flow a full tank to an empty or slack tank is known.


61. C12 - A tanker's mean draft is 32'-05". At this draft, the TPI is 178. The mean draft after loading 1200 tons will be __________.


62. C12 - A tank vessel transferring non-flammable hazardous cargo in bulk must display warning signs. These signs must __________.


63. C12 - You are the officer in charge of discharging an oil tanker of 15000 DWT in Corpus Christi, USA. Where shall the Oil Transfer Procedure be located


64. C12 - You are to load a bagged cargo in the lower hold of a shipped equipped with drain walls in the after end of the hold. The layer of dunnage should be laid down


65. C12 - You are to load a bagged cargo in the lower hold of a shipped equipped with side bilges. The first layer of dunnage should be laid down ________


66. C12 - You have completed a Dangerous Cargo Manifest for dangerous cargoes loaded on board. Which conspicuous location it should be kept?


67. C12 - You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is true?


68. C12 - You have taken another vessel in tow. When could you tell that the towing speed is too fast?


69. C12 - You must shore up a bulkhead due to solid flooding forward. The bulkhead approximates a rectangle. Where should the center of pressure of the shores on the bulkhead should be located?


70. C12 - You receive a package, for shipment aboard your vessel, containing class 1 explosives. The package is damp, moldy and stained. What must you do to transport this package according to the regulations?


71. C12 - You will load class 1.2 commercial explosives and need to construct a portable magazine. What does the magazine MUST be?


72. C12 - Your ship is dead in the water with the rudder amidships. As the righthanded screw starts to turn ahead, where does the bow will tend to go?


73. C12 - Your ship is drifting in open sea with temporary engine malfunction. You are equipped with precise navigation equipment. What should you do in this situation?


74. C12 - Your tank vessel is fully loaded, and you find that she is down slightly by the head. How you may adjust the trim?


75. C12 - Your tank vessel is fully loaded, and you find that she is down slightly by the head. To adjust the trim, you may __________.


76. C12 - Your tank vessel is loading a hazardous cargo. The allowance for expansion is based on ambient temperatures of what maximum range?


77. C12 - Your vessel has a midships engine room and the cargo is concentrated in the end holds. What is the vessel deflection condition?


78. C12 - Your vessel has been damaged and is partially flooded. What is the first step to be taken in attempting to save the vessel?


79. C12 - Your vessel has been damaged and you must shore a bulkhead. How should you cut the shore?


80. C12 - Your vessel has been holed in #1 hold and partially flooded. The hole is plugged against further flooding. In calculating the effect of the flooding on your transverse stability, you should use which method?


81. C12 - Your vessel has run aground and is touching bottom for the first onequarter of its length. What is the LEAST desirable method from the standpoint of stability to decrease the bottom pressure?


82. C12 - Your vessel has run hard aground in an area subject to heavy wave action. Backing full astern failed to free her. Which action should be taken next?


83. C12 - Your vessel is being towed and backup wires have been installed. What in the event that Backup wires carry the towing load?


84. C12 - Your vessel is being towed and you are using a tripping rope. When does a tripping rope of fiber or wire is used to?


85. C12 - Your vessel is broken down and rolling in heavy seas. How could you reduce the danger of capsizing?


86. C12 - Your vessel is damaged and is listing to port. The rolling period is short. There is sufficient freeboard so that deck edge submersion is not a problem. What corrective action should be taken first in regards to the vessel's stability?


87. C12 - Your vessel is damaged and listing to port. There is a short rolling period around the angle of list. The port side freeboard is reduced to 1 foot. There is no trim and the weather is calm. You should FIRST


88. C12 - Your vessel is damaged, and there is no list or trim. The rolling period is short. The freeboard before the damage was 1202 (3.7 meters). It is now reduced to 300(1 meter). Which action would you take FIRST?


89. C12 - Your vessel is damaged, listing to port and on occasion flopping to the same angle to starboard. It has a long, slow, sluggish roll around the angle of list. There is excessive trim by the stern with little freeboard aft. What action should you take FIRST to correct this situation?


90. C12 - Your vessel is floating in water or density 1010. The water allowance is 8 inches. How far below her marks may she be loaded so as to float at her mark in salt water of density 1025?


91. C12 - Your vessel is listing because of a negative GM.What must you do to lower G below M?


92. C12 - Your vessel was damaged and initially assumed a significant list and trim however, further increase has been slow. Based on this data, what should you expect?


93. C12 - Your vessel was grounded on a bar. Which of the following should you do?


94. C12 - When cargo is shifted from the lower hold to the main deck the __________.


95. C12 - To make sure of getting the full advantage of a favorable current, you should reach an entrance or strait at what time in relation to the predicted time of the favorable current?


96. C12 - Since when does a vessel aground may have negative GM?


97. C12 - Introducing inert gas into a tank already inert with the object of further reducing the oxygen or hydrocarbon content to prevent combustion if air enters the tank is called __________.


98. C12 - In setting the valves on a steam-smothering system on a tank vessel, the master control valve to cargo tanks should be __________.


99. C12 - In order to minimize the effects of a tender vessel, when carrying a cargo of lumber, you should __________.


100. C12 - If you have a liquefied flammable gas barge in tow, which is NOT required of you with respect to the barge and its cargo?


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