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.
233: Most enclosed lifeboats will right themselves after capsizing IF the __________.
N a. lower ballast tanks are filled with water N b. fuel tanks are not less than half full Y c. passengers are strapped to their seats N d. sea anchor is deployed to windward 324: The national distress, safety, and calling frequency is channel __________.
N a. 13 Y b. 16 N c. 18 N d. 22 353: When a sea anchor is used in landing stern first in a heavy surf, sternway is checked by __________.
N a. slacking the tripping line and towing the sea anchor from the stern Y b. slacking the tripping line and towing the sea anchor by the holding line N c. towing with the tripping line and leaving the holding line slack N d. towing the apex end forward with the tripping line 539: On a vessel of 10,000 tons displacement, compute the reduction in metacentric height due to free surface in a hold having free water on tank tops. The hold is 50 feet long and 50 feet wide. The reduction in metacentric height is __________.
N a. 1.2 feet N b. 1.1 feet N c. 1.3 feet Y d. 1.5 feet 547: Channel 13 (156.65 MHz), the designated bridge-to-bridge channel, may NOT be used to __________.
N a. exchange navigational information between vessels N b. exchange navigational information between a vessel and a shore station N c. conduct necessary tests Y d. exchange operating schedules with company dispatcher 800: The "trimming arm" of a vessel is the horizontal distance between the __________.
N a. LCB and LCF N b. LCF and LCG N c. LHA and LCG Y d. LCB and LCG 812: You are fighting a class "B" fire with a portable dry chemical extinguisher. The discharge should be directed __________.
Y a. at the seat of the fire, starting at the near edge N b. to bank off a bulkhead onto the fire N c. over the top of the fire N d. at the main body of the fire 860: A ship's forward draft is 22'-04" and its after draft is 24'-00". The draft amidships is 23'-04". This indicates a concentration of weight __________.
N a. at the bow N b. in the lower holds Y c. amidships N d. at the ends 1390: Which sequence is correct when launching a lifeboat stowed in gravity davits?
N a. Release gripes, turn on emergency disconnect switch, release frapping lines N b. Release tricing pennants, turn on emergency disconnect switch, release frapping lines N c. Operate limit switches, release gripes, lift brake Y d. Release gripes, lift brake, release tricing pennants 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. 1432: You are reading the draft marks. The top 2 inches of the 9 forward is visible above the water level, and the water level is four inches below the 10 aft. What is the mean draft? (D032DG )
N a. 9'-10" Y b. 9'-06" N c. 9'-04" N d. 9'-02" 1434: Halon fire extinguishers are NOT effective when used on which types of fires?
N a. Fires in electrical equipment N b. Flammable oils and greases N c. Class "A" fires in ordinary combustibles Y d. Materials containing their own oxygen 1593: When launching an open lifeboat by falls, the boathooks should be __________.
N a. secured forward and aft where readily available N b. secured amidships where they will not hinder the personnel Y c. used for fending off N d. used for picking up survivors in the water 1700: How often must the impulse-projected line throwing appliance be test fired?
N a. Monthly Y b. At the Master's discretion N c. Semiannually N d. Annually 1794: Which statement concerning GMDSS Radio Operator requirements is FALSE?
N a. Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea. N b. Each compulsory vessel must carry at least two licensed Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as well. Y c. Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communications. N d. While at sea, adjustments to, and the maintaining of, GMDSS equipment may be performed by the GMDSS Radio operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer. 1983: What is required in addition to the heat, fuel, and oxygen of the fire triangle to have a fire?
N a. Electricity Y b. Chain reaction N c. Pressure N d. Smoke 1991: It is the responsibility of the person in charge to __________.
N a. revise the operating manual when rig personnel change Y b. be fully aware of the provisions in the operating manual N c. maintain the rig's construction portfolio N d. All of the above 2033: How is "radio silence" imposed?
Y a. By the Rescue Coordination Center (RCC) controlling the distress communications on that frequency or channel N b. By the Coast Earth Station (CES) controlling the distress communications on that frequency or channel N c. By the Public Correspondence Station (PCS), controlling the distress communications on that frequency or channel N d. By the High Seas Service (HSS) controlling the distress communications on that frequency or channel. 2076: A cargo tank that is initially gas freed, can be inerted by introducing inert gas by a process known as __________.
N a. dilution N b. displacement N c. precipitation Y d. Either A or B 2158: You have approximately 15 tons of fish on deck. What will be the shift in the center of gravity after you shift the fish to the fish hold, a vertical distance of 8 feet? (total displacement is 300 tons)
N a. 0.1 foot N b. 0.2 foot N c. 0.3 foot Y d. 0.4 foot 2458: To find the product Valeral in the Chemical Data Guide, you would have to look up the product __________.
N a. Acrylic acid N b. iso-Valeraldehyde Y c. n-Valeraldehyde N d. Vinyl acetate 2615: On a MODU, the keel is the primary strength member of the lower hull form in which direction?
N a. transverse N b. diagonal Y c. longitudinal N d. vertical 2773: The required portable radio apparatus on an international voyage must be stowed in __________.
N a. the Master's quarters N b. the ship's office Y c. the radio room, bridge, or protected location N d. an unlocked cabinet next to the Muster List ("Station Bill") 2780: The carriage of a liquefied gas not appearing in table 4 of 46 CFR Part 154 must be approved by the __________.
N a. vessel owner Y b. Commandant (G-MTH) N c. American Bureau of Shipping N d. Officer in Charge, Marine Inspection 2939: How many distress flares and smoke signals are small passenger vessels on oceans, coastwise or Great Lakes routes required to carry?
Y a. Six red hand flares and six orange smoke signals in a watertight container N b. Two ring life buoys with attached water lights N c. A battery operated red-flasher lantern N d. All of the above 2945: A virtual rise in the center of gravity of a MODU may be caused by __________.
N a. filling a partially filled tank Y b. using fuel from a pressed fuel tank N c. emptying a partially filled tank N d. transferring pipe from the setback area to the pipe rack 2967: When a wind force causes a floating MODU to heel to a static angle, the __________.
N a. centers of buoyancy and gravity are in the same vertical line Y b. righting moment equals the wind-heeling moment N c. downflooding point is below water N d. deck-edge immersion occurs 2989: When would it NOT be necessary to immediately notify the U.S. Coast Guard? (small passenger vessel regulations)
N a. Loss of life N b. Major damage affecting the seaworthiness of a vessel Y c. Damage amounting to $2,000 N d. Injury to a person which requires medical treatment beyond first aid 3124: On a life float or buoyant apparatus, the life line is __________. (small passenger vessel regulations)
Y a. secured around the sides and ends in bights of not longer than three feet N b. woven into a net and secured in the center of the float N c. used for securing unconscious persons to the sides N d. the lanyard for securing provisions 3283: The midships house of your break bulk ship is constructed with an interior stair tower from the main deck to the bridge. Under what circumstances may the doors from each deck to the stair tower be kept open when underway?
N a. They can be kept open if the Muster List ("Station Bill") has personnel designated to close them in case of fire. N b. They may be kept open if the ventilation or air conditioning system is shut down. N c. They are to be kept closed at all times. Y d. They may be kept open if they can be automatically closed from the bridge. 3299: Which signal must you display at night on a docked tank barge to show that it is loading or discharging flammable liquid cargo?
Y a. Red light N b. Flashing amber light N c. ICC yellow light N d. Two orange lights 3355: The sea painter of an inflatable liferaft should be __________.
N a. free running on deck N b. faked out next to the case Y c. secured to a permanent object on deck via a weak link N d. stowed near the raft 3407: The most important thing to remember when launching an inflatable liferaft by hand is to __________.
N a. open the CO2 inflation valve N b. open the raft container Y c. ensure that the operating cord is secured to the vessel N d. inflate the raft on the vessel, then lower it over the side 3448: The SS AMERICAN MARINER is ready to load the cargo listed. There is already 3485 tons of cargo on board with a KG of 24.4 feet. Use the white pages of the Stability Data Reference Book to determine the final KG of all the cargo after loading is completed. ST-0131
N a. KG 25.1 feet Y b. KG 25.6 feet N c. KG 26.0 feet N d. KG 26.5 feet 3473: In each inflatable rescue boat, what piece of equipment is provided to make quick, emergency, temporary repairs to a large hole in a raft?
N a. No equipment is provided. N b. Glue and rubber patches Y c. Several various-sized sealing clamps N d. Self-adhesive rubberized canvas patches 3614: While proceeding towards a distress site you hear the message "Seelonce Feenee" over the radiotelephone. Which action should you take?
N a. Resume base course and speed because the distress situation is over. N b. Do not transmit over the radiotelephone. N c. Relay the initial distress message to the nearest shore station. Y d. Resume normal communications on the guarded frequency. 3644: When should distress flares and rockets be used?
N a. Immediately upon abandoning the vessel Y b. Only when there is a chance of their being seen by a rescue vessel N c. At one hour intervals N d. At half hour intervals 3647: A distress signal __________.
N a. consists of 5 or more short blasts of the fog signal apparatus N b. consists of the raising and lowering of a large white flag Y c. may be used individually or in conjunction with other distress signals N d. is used to indicate doubt about another vessel's intentions 3806: A liferaft which has inflated bottom-up on the water __________.
Y a. should be righted by standing on the carbon dioxide cylinder, holding the righting straps and leaning backwards N b. should be righted by standing on the life line, holding the righting straps leaning backwards N c. will right itself when the canopy tube inflates N d. must be cleared of the buoyant equipment before it will right itself 3819: If there are a number of survivors in the water after abandoning an OSV and no rescue craft are in sight, they should __________.
N a. tie themselves to the unit to avoid drifting with the current Y b. group to form a small circle of survivors to create a warmer pocket of water in the center of the circle N c. send the strongest swimmer to shore for assistance N d. from a raft by lashing their life jackets together 3917: The DEEP DRILLER, at a draft of 60 feet, has 3,765 ft-tons of transverse moments. How much ballast should be transferred between tanks 1P and 1S to level the unit in list?
Y a. 25.1 long tons N b. 50.2 long tons N c. 62.8 long tons N d. 252.1 long tons 3969: The sea anchor shown as item number 14 will NOT __________. (D014SA )
N a. check the liferaft's way N b. keep the liferaft end on to the sea N c. reduce the possibility of capsizing or broaching Y d. right the raft if it inflates inverted 4057: In the DEEP DRILLER, LCG is obtained from the sum of the longitudinal moments by __________.
N a. adding the free surface correction N b. subtracting the free surface correction N c. multiplying by displacement Y d. dividing by displacement 4065: In the DEEP DRILLER, the transverse free surface correction (FSCT) is obtained from the total of transverse free surface moments (FSMT) by __________.
N a. adding the TCG N b. subtracting the TCG N c. multiplying by displacement Y d. dividing by displacement 4077: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new longitudinal free surface correction (FSCL) if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?
N a. 1.06 feet Y b. 1.09 feet N c. 3.30 feet N d. 3.38 feet 4097: The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the new height of the longitudinal metacenter if all the bulk materials are discharged?
N a. 61.34 feet N b. 62.13 feet Y c. 62.35 feet N d. 64.00 feet 4326: The SS AMERICAN MARINER has on board 4850 tons of cargo with an LCG-FP of 279.84 feet. See the distribution of the cargo to be loaded. Use the white pages of The Stability Data Reference Book to determine the final LCG-FP of the cargo. ST-0159
N a. LCG-FP 267.7 feet N b. LCG-FP 268.4 feet N c. LCG-FP 269.2 feet Y d. LCG-FP 270.6 feet 4685: What is the change in transverse moments for the Coastal Driller if 2.5 feet of drill water is discharged from drill water tank #23?
Y a. 1,671 ft-kips N b. -161 ft-kips N c. -1,800 ft-kips N d. -2,982 ft-kips 5235: If a MODU 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 on the side opposite the list or trim N d. assume the cause is environmental forces 5603: The full period of motion of the DEEP DRILLER while in transit is 7 seconds and the maximum pitch angle as seen on the inclinometers is 4 degrees. From the standpoint of critical motion, the motion is __________.
N a. unsatisfactory, change course and speed Y b. satisfactory, continue transit N c. unsatisfactory, ballast to survival draft N d. unsatisfactory, place unit in standby 5907: The Muster List ("Station Bill") of a MODU must be signed by the __________.
Y a. person in charge N b. Coast Guard marine inspection officer N c. company safety director N d. entire crew 6265: During severe storms when survival becomes a major concern, it may become necessary to relieve high anchor tensions on the windward side of the unit by __________.
N a. deballasting the rig N b. ballasting the rig N c. paying out cable on the windward side Y d. paying out cable on the leeward side 6946: Your drafts are: FWD 20'-08", AFT 25'-03". Use the blue pages of the Stability Data Reference Book to determine the MT1.
N a. 1130 foot-tons N b. 1095 foot-tons Y c. 1070 foot-tons N d. 1025 foot-tons 6953: After reporting a casualty to a mobile offshore drilling unit, which record must be retained on board?
Y a. Record of drafts N b. Hull reports N c. Anchor record N d. Machinery repair book 8223: What is the purpose of a check valve?
N a. Passes air but not liquid N b. Regulates liquid flow Y c. Permits flow in one direction only N d. Passes liquid but not air 8341: Clean air standards referred to as "Grade D" apply to compressed air for use in __________.
N a. high pressure fluid accumulators N b. driving air-powered plunger pumps Y c. filling open-circuit breathing systems N d. bladder-type accumulators 8395: What is the purpose of the intake/exhaust valves in a diesel engine?
Y a. They regulate the combustion cycle. N b. They supply cooling water. N c. They synchronize the ignition spark. N d. They supply and regulate the lubricant flow. 8855: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). If weather conditions make it necessary to ballast down to survival, how much ballast would be required?
N a. 3,998.3 long tons Y b. 4,086.5 long tons N c. 4,188.0 long tons N d. 5,087.0 long tons 8871: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions make it necessary to ballast down to survival draft. It is decided to check the stability at the intermediate draft of 32 feet. If the added ballast has an average VCG of 9.03 feet, what is the new KG?
N a. 54.76 feet N b. 55.76 feet Y c. 57.22 feet N d. 57.76 feet 9377: After abandoning ship, you should deploy the sea anchor from a liferaft to __________.
N a. keep the liferaft from capsizing N b. navigate against the current N c. keep personnel from getting seasick Y d. stay in the general location