This is an interactive test. Read each question and select the proper answer by clicking on the appropriate answer. If a "Y" appears, your choice is correct. If a "N" appears, more study may be in order.
83: If more than one raft is manned after the vessel has sunk, you should __________.
N a. go in a different direction in search of land N b. spread out to increase the possibility of a search aircraft finding you N c. reduce the number of rafts by getting as many people as possible into as few rafts as possible Y d. tie the rafts together and try to stay in a single group 92: The liquid mud tanks on your vessel measure 24'L by 16'B by 8'D. The vessel's displacement in fresh water is 864 tons and the specific gravity of the mud is 1.47. What is the reduction in GM due to 2 of these tanks being slack?
N a. .32 foot Y b. .80 foot N c. .96 foot N d. 1.12 feet 213: Most lifeboats are equipped with __________.
Y a. unbalanced rudders N b. balanced rudders N c. contraguide rudders N d. straight rudders 323: You must make a written application to obtain or renew your "T" boat's Certificate of Inspection __________.
N a. on form CG-835 N b. at the shipyard where you are hauled out Y c. on form CG-3752 N d. every time your boat is hauled out 348: A man has suffered a burn on the arm. There is a reddening of the skin but no other apparent damage. Using standard MEDICAL terminology, this is a __________.
N a. Minor burn N b. Superficial burn N c. Extremity burn Y d. First-degree burn 401: On a vessel of 12,000 tons displacement, what is the reduction in metacentric height due to free surface when a tank 60 feet long and 60 feet wide is partially filled with water?
N a. 2.30 feet N b. 2.43 feet N c. 2.48 feet Y d. 2.57 feet 463: When water-cooled engines are installed on small passenger vessels, the cooling system __________.
N a. pump must operate whenever the engine is operating N b. must have a suitable hull strainer in the raw water intake N c. may use a closed fresh water system Y d. All of the above 549: If a vessel takes a sudden, severe list or trim from an unknown cause, you should FIRST __________.
Y a. determine the cause before taking countermeasures N b. assume the shift is due to off-center loading N c. counterflood N d. assume the cause is environmental forces 717: If your radiotelephone fails while underway, __________.
N a. you must visually signal oncoming vessels N b. you must immediately tie up in the nearest port until the radiotelephone is repaired N c. you must anchor until the radiotelephone is repaired Y d. the loss of the radiotelephone must be considered in navigating the vessel 740: What is NOT a motion of the vessel?
N a. Pitch N b. Roll Y c. Trim N d. Yaw 807: The space containing carbon dioxide cylinders shall be properly ventilated and designed to prevent an ambient temperature in excess of __________.
N a. 75°F N b. 100°F Y c. 130°F N d. 165°F 875: How many bolts are required in a temporarily connected standard ANSI coupling?
N a. 2 Y b. 4 N c. 6 N d. 8 1091: The SS AMERICAN MARINER has the following drafts: FWD 09'-00", AFT 15'-11.5". Upon completion of loading and bunkering the items listed will be on board. Use the white pages of The Stability Data Reference Book to determine the minimum GM required to meet a one compartment standard. ST-0026
N a. 2.49 feet Y b. 2.38 feet N c. 2.27 feet N d. 2.05 feet 1288: Which extinguishing agent is the best for use on electrical fires?
N a. Foam Y b. CO2 N c. Dry chemical N d. Water fog 1431: Which statement is FALSE regarding Halon 1301?
N a. It is colorless. Y b. It is sweet smelling. N c. It may cause dizziness when inhaled. N d. It does not conduct electricity. 1492: You have abandoned ship. There are several rafts in the water. One of the FIRST things to do is __________.
N a. separate the rafts as much as possible to increase chances of detection N b. transfer all supplies to one raft N c. transfer all the injured to one raft Y d. secure the rafts together to keep them from drifting apart 1583: You are having a Coast Guard inspection. All carbon dioxide fire extinguishers aboard will be __________.
Y a. weighed N b. discharged and recharged N c. checked for pressure loss N d. sent ashore to an approved service facility 1647: Electrical wiring on all "T-Boats" must be __________.
N a. concealed to prevent mechanical damage N b. concealed so the boat can be maintained more easily Y c. protected from the weather N d. in an accessible place behind the ceiling 1721: An inert gas system is designed to reduce the possibility of tank explosions by __________.
N a. eliminating sparks and fire in the vicinity of cargo tanks N b. removing all hydrocarbon gases from the cargo tanks N c. blanketing cargo tanks with inert foam Y d. reducing the oxygen concentration below levels necessary for combustion 1722: Where are remote readouts for oxygen concentration, pressure, and temperature of an inert gas system required to be located?
N a. Bridge and engine control consoles N b. Bridge and tank(s) being inerted N c. Main deck and engine control consoles Y d. Cargo control and engine control consoles 1798: The combined fan discharge rate in an inert gas system is related to the __________.
N a. shoreside loading rate Y b. cargo pump discharge rate N c. boiler forced draft fan rate N d. size of the largest cargo tank 1895: How can a SART's effective range be maximized?
N a. The SART should be placed in water immediately upon activation. Y b. The SART should be held as high as possible. N c. Switch the SART into the "high" power position. N d. If possible, the SART should be mounted horizontally so that its signal matches that of the searching radar signal. 1955: How often must the emergency generator be tested on a mobile offshore drilling unit?
N a. Once each day N b. Once each week Y c. Once each month N d. Once each year 2011: What is the action that a GMDSS Radio Operator should take when a DSC distress alert is received?
N a. No action is necessary, as the DSC control unit will automatically switch to the NBDP follow-on communications frequency. Y b. The operator should immediately set continuous watch on the radiotelephone frequency that is associated with the frequency band on which the distress alert was received. N c. The Operator should immediately set continuous watch on VHF channel 70. N d. The Operator should immediately set continuous watch on the NBDP frequency that is associated with the frequency band on which the distress alert was received. 2184: 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 regard to the vessel's stability?
N a. Press up any slack double-bottom tanks to eliminate free surface N b. Flood any empty double-bottom tanks to add weight low and down N c. Jettison topside weights to reduce KG and KB Y d. Shift any off-center weights from port to starboard 2350: What is NOT required of the cargo tank venting on a tank barge carrying grade A liquids?
N a. Each cargo tank must have a vent. N b. A vent header must be fitted with a pressure-vacuum valve. Y c. The diameter of the vent must be greater than 4 inches in diameter. N d. The vent must extend to a reasonable height above the weather deck. 2378: A vessel's drafts are FWD 23'-01", AFT 24'-11". Use the information in Section 1, the blue pages, of the Stability Data Reference Book to determine the final drafts if: (1) 142 tons are discharged 122 feet forward of amidships; (2) 321 tons are loaded 82 feet forward of amidships; and (3) 74 tons are discharged 62 feet aft of amidships.
N a. FWD 23'-05", AFT 24'-00" N b. FWD 23'-06", AFT 24'-02" N c. FWD 23'-07", AFT 24'-03" Y d. FWD 23'-09", AFT 24'-05" 2401: A high-velocity fog stream can be used in fire fighting situations to drive heat and smoke ahead of the fire fighters in a passageway. This technique should only be used when __________.
N a. using a 2-1/2 inch hose Y b. there is an outlet for the smoke and heat N c. the fire is totally contained by the ship's structure N d. at least two fog streams can be used 2414: The flash point of a product is 100°F. What can happen if it is heated above 110°F?
N a. It will boil off to the atmosphere. Y b. It may burn and explode if an ignition source is present. N c. It will become less volatile and easier to handle. N d. None of the above 2418: Your vessel's drafts are: FWD 24'-07", AFT 25'-09"; and the KG is 23.2 feet. What is the righting moment when the vessel is inclined to 45°? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 27,008 foot-tons N b. 29,778 foot-tons N c. 32,428 foot-tons Y d. 34,663 foot-tons 2454: In order to determine the fire and explosion hazard data for naphtha, you would use that information contained in the Chemical Data Guide for which chemical?
N a. Treacle N b. Napthalene N c. Tar camphor Y d. Mineral spirits 2501: The SS NORTHLAND is loaded to drafts: FWD 20'-06", AFT 24'-00". The KG is 29.6 feet. Use the salmon pages of the Stability Data Reference Book to determine the angle of list if #6 starboard tank is fully loaded with 1624 tons of salt water ballast (VCG is 36.5 feet off the centerline).
N a. 3.4° N b. 4.2° N c. 4.9° Y d. 6.0° 2543: The boom stops are installed on an offshore crane to __________.
Y a. prevent the boom from being raised too high N b. prevent the boom from swinging N c. support the boom when not in use N d. prevent the boom from being lowered 2570: What is NOT a requirement of the reinspection for a tank barge with a certificate of inspection valid for two years?
Y a. The reinspection will be made between the fourteenth and sixteenth months. N b. The inspector shall examine all accessible parts of the vessels's hull. N c. The inspector shall examine the vessel's machinery as well as equipment. N d. The scope of the reinspection shall be the same as for the inspection for certification, but in less detail. 2870: If a vessel loads 250 tons of deck cargo resulting in a GM of -0.4 foot on 8000 tons displacement, what will be the angle of loll? (Use the information in Section 1, the blue pages, of the Stability Data Reference Book)
Y a. 12° N b. 10° N c. 8° N d. 6° 2891: The maximum angle at which the intact stability curves are valid for MODU's is the angle for __________.
N a. the limit of positive stability N b. the limit of small-angle stability N c. maximum offset Y d. downflooding 2892: Regulations define the bulkhead deck as __________. (subdivision and stability regulations)
N a. any deck extending from stem to stern Y b. the uppermost deck to which transverse watertight bulkheads extend N c. the lowermost deck to which transverse watertight bulkheads extend N d. the uppermost complete deck 2922: Whenever practicable, the Certificate of Inspection must be posted __________. (small passenger vessel regulations)
N a. as high as feasible in the pilot house N b. near the area where passengers embark N c. in any location desired Y d. in a conspicuous place where it will most likely be observed by the passengers 2936: A vessel's drafts are: FWD 16'-03", AFT 16'-09"; and the KG is 21.3 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the angle of list if the center of gravity is shifted 2 feet off the centerline.
N a. 12° N b. 14° Y c. 20° N d. 22° 3004: Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 23.7 feet and the drafts are: FWD 28'-00", AFT 28'-06".
N a. 16° Y b. 21° N c. 41° N d. 56° 3134: Which is a B-II fire extinguisher? (Uninspected Vessel Regulations)
N a. A 2-1/2 gallon water (stored pressure) extinguisher Y b. A 15 lb. CO2 extinguisher N c. A 2 lb. dry chemical extinguisher N d. A 1-1/4 gallon foam extinguisher 3758: To treat a person suffering from heat exhaustion, you should __________.
N a. administer artificial respiration N b. put him in a tub of ice water Y c. give him sips of cool water N d. cover him with a light cloth 4283: When underway at a draft of 10.5 feet in a severe storm, the COASTAL DRILLER has a maximum allowed KG of __________.
Y a. 40 feet N b. 50 feet N c. 55 feet N d. 65 feet 4293: Preloading tests the soil to the vertical leg reaction that would be imposed by __________.
N a. static forced and drilling loads N b. a severe storm Y c. the design storm N d. environmental forces 4636: What will be released by pulling on line number 5? (D012SA )
N a. Frapping line N b. Gripes Y c. Tricing pendant N d. Lifeboat 4775: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the entire contents of bulk tanks #2 and #3 are back-loaded to an offshore supply vessel, what transverse moment would have to be created to level the unit in list at the new draft?
N a. -3,604 ft-kips N b. -4 ft-kips Y c. 3,470 ft-kips N d. 7,088 ft-kips 5418: Small passenger vessels in coastwise service must carry approved __________.
N a. life floats N b. inflatable buoyant apparatus N c. inflatable liferafts Y d. Any of the above 5449: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 17'-06", AFT 20'-04". After all bunkers are on board, soundings indicate the tonnages shown. Use the white pages of The Stability Data Reference Book to determine the free surface correction. ST-0178
N a. 1.05 feet N b. 1.15 feet N c. 1.25 feet Y d. 1.31 feet 5504: While signaling by flashing light you make an error. You should send __________.
N a. RPT, then repeat the entire signal N b. EEE, then send the word correctly Y c. the erase signal then continue the message with the last correctly spelled word N d. the correction signal and re-spell the word 6445: What is the function of wearing rings found on some centrifugal pumps?
N a. Absorb erosion of high velocity discharge stream N b. Seal pump shaft against entry of air Y c. Isolate the outlet side from the inlet side N d. Dampen the turbulent discharge flow 6515: While off-loading from an offshore supply vessel with the crane, the wind increases in strength and changes direction significantly, you should __________.
N a. expedite off-loading N b. stop off-loading, but keep the offshore supply vessel in the present location N c. continue off-loading with no changes Y d. move the offshore supply vessel to the downwind side 6551: When referring to quantity of barite in a P-tank, ullage is the __________.
N a. distance of the barite surface above the tank bottom N b. percentage of barite in the tank Y c. distance of the barite surface below the tank cover N d. total weight of barite in UPC (ullages per centimeter) 6967: A MODU must report a collision with an aid to navigation maintained by the Coast Guard to which office?
N a. Nearest Oceanographic office N b. The Marine Safety Center at Coast Guard Headquarters N c. National Ocean Service Y d. Nearest Officer in Charge, Marine Inspection 8343: The probability of sulfide stress cracking in the presence of hydrogen sulfide is greatest for __________.
N a. low strength steel Y b. high strength steel N c. rubber sealing elements N d. aluminum 8595: When a survival craft drill is held, the person in charge must insure that __________.
N a. all survival craft are lowered to the water, launched, and operated for thirty minutes Y b. all davits used for launching liferafts are operated N c. each emergency position indicating radio beacon is tested for thirty minutes N d. the helicopter pad landing lights are operating in a quick-flashing mode 8635: A weight of 1,000 kips is equivalent to __________.
N a. 1,000 pounds N b. 2,000 short tons N c. 2,240 pounds Y d. 500 short tons 9111: Inspection of a Halon extinguisher involves checking the hose, handle, nozzle, and __________.
N a. sight glass Y b. weighing the extinguisher N c. service technicians report N d. last date it was charged 9285: A floating jack-up with displacement of 16,200 kips has its LCG 110.37 feet aft of frame zero (AF0). If 200 short tons are discharged from 120 feet AF0 and 400 short tons are discharged from 150 feet AF0, what is the new LCG?
Y a. 108.0 feet N b. 109.2 feet N c. 110.4 feet N d. 115.8 feet 9341: Dry chemical extinguishers may be used on what class of fires?
N a. A only N b. B only N c. B and C only Y d. A, B or C as marked on the extinguisher 9604: Except in rare cases, it is impossible to extinguish a shipboard fire by __________.
N a. removing the oxygen Y b. removing the fuel N c. interrupting the chain reaction N d. removing the heat