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.
100: When a vessel has positive stability, the distance between the line of force through B and the line of force through G is called the __________.
N a. metacentric height Y b. righting arm N c. righting moment N d. metacentric radius 163: You are at sea in an inflatable liferaft. In high latitudes, the greatest danger is __________.
N a. asphyxiation due to keeping the canopy closed Y b. hypothermia caused by cold temperature N c. collapse of the raft due to cold temperatures N d. starvation 173: While adrift in an inflatable liferaft in hot, tropical weather __________.
N a. the canopy should be deflated so that it will not block cooling breezes N b. the pressure valve may be periodically opened to prevent excessive air pressure Y c. deflating the floor panels may help to cool personnel N d. the entrance curtains should never be opened 220: Metacentric height is a measure of __________.
Y a. initial stability only N b. stability through all angles N c. maximum righting arm N d. All of the above 232: You are tending the lifeline of a person who has entered a compartment wearing a breathing apparatus. How many tugs of the lifeline mean "Are you all right"?
Y a. One N b. Two N c. Three N d. Four 668: 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 are to be kept closed at all times. N b. They may be kept open if the ventilation or air conditioning system is shut down. Y c. They may be kept open if they can be automatically closed from the bridge. N d. They can be kept open if the Muster List ("Station Bill") has personnel designated to close them in case of fire. 681: Size III, IV, and V extinguishers are considered __________.
N a. hand portable N b. all purpose N c. fixed extinguishers Y d. semi-portable 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 872: The safety discs on carbon dioxide cylinders are set to release at 2,700 psi. Under normal circumstances this pressure will be reached at a temperature of __________.
N a. 70°F N b. 100°F N c. 125°F Y d. 135°F 879: To operate a portable CO2 extinguisher continuously in the discharge mode __________.
Y a. slip the "D yoke" ring in the lower handle over the upper handle N b. reinsert the locking pin N c. open the discharge valve N d. invert the CO2 extinguisher 979: When should you first have any food or water after boarding a lifeboat or liferaft?
N a. After 12 hours Y b. After 24 hours N c. Within 48 hours N d. Some food and water should be consumed immediately and then not until 48 hours later. 1297: A small passenger vessel of not more than 65 feet in length must have a collision bulkhead if it __________.
N a. operates on exposed waters N b. carries more than 49 passengers N c. is more than 40 feet in length and operates on partially exposed waters Y d. All of the above 1379: Which statement about inert gas pressures in a cargo tank is TRUE?
N a. The pressures of the inert gas in the tank may create excessive pressure at the pump while discharging. Y b. Gas pressures should be maintained at the highest permissible level throughout the discharging process. N c. High gas pressures may cause pyrophoric oxidation in the tank. N d. High gas pressures may cause loss of suction when stripping. 1400: In rough weather, when a ship is able to maneuver, it is best to launch a lifeboat __________.
Y a. on the lee side N b. on the windward side N c. with the wind dead ahead N d. with the wind from astern 1433: You should NOT use a power tool if __________.
N a. it has a three-prong plug Y b. the insulation of the power wires is worn N c. hand tools can be used instead N d. the power source is alternating current 1577: What is the minimum number of bolts required in a temporary bolted flange oil hose coupling?
N a. 3 Y b. 4 N c. 6 N d. A bolt must be used in every hole. 1723: The regulations that were passed to implement MARPOL 73/78 concerning oil pollution apply to a U.S. flag vessel that sails on which waters?
N a. Inland waters only N b. Great Lakes only Y c. International waters N d. All of the above 1734: Which procedure should be followed when individuals are rescued in cold climates and suffer from hypothermia?
N a. Give them brandy or other alcoholic stimulation to promote a return to an acceptable body temperature. Y b. Move them to a warm room to gradually raise their body temperature. N c. Keep them moving to stimulate circulation to raise their body temperature. N d. Warm them under an electric blanket to rapidly regain normal body temperature. 1756: Under federal regulations, what minimum level of Blood Alcohol Content (BAC) constitutes a violation of the laws prohibiting Boating Under the Influence of Alcohol (BUI) on commercial vessels?
N a. .18%BAC N b. .10%BAC N c. .06%BAC Y d. .04%BAC 1782: Which channel has been designated for on-scene communications in GMDSS?
N a. 24 N b. 2182 N c. 70 Y d. 16 and 2174.5 1951: If you must jump from a vessel, the correct posture includes __________.
Y a. holding down the life preserver against the chest with one arm crossing the other, covering the mouth and nose with a hand, and feet together N b. knees bent and held close to the body with both arms around legs N c. body straight and arms held tightly at the sides for feet first entry into the water N d. both hands holding the life preserver below the chin with knees bent and legs crossed 2373: An uncontrolled flow of gas, oil, or other well fluids into the atmosphere is called a __________.
N a. flow N b. breakout N c. kick Y d. blowout 2461: A special device that, when fitted into the rotary table, transmits torque to the kelly and simultaneously permits vertical movement of the kelly to make the hole is called a __________.
N a. master bushing N b. kelly slips Y c. kelly bushing N d. rotary bushing 2556: Regulations require that pumprooms on tank vessels carrying grade C liquid cargo with machinery spaces below the freeboard deck be ventilated with __________.
Y a. power ventilation N b. gooseneck vents and flame screens N c. at least two ducts extending to the weather deck N d. a vent header system 2608: The SS AMERICAN MARINER is ready to sail with the load shown. Use the white pages of The Stability Data Reference Book to determine the available GM. ST-0071
N a. Available GM 6.3 ft N b. Available GM 5.7 ft N c. Available GM 5.3 ft Y d. Available GM 4.8 ft 2713: On a semisubmersible MODU, reserve buoyancy is increased by the presence of void spaces above the waterline in the __________.
N a. submerged hulls N b. quarters Y c. columns and upper structure N d. submerged connecting structures 2724: Your vessel's drafts are: FWD 18'-03", AFT 18'-09"; and the KG is 22.6 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 1.4 feet off the centerline.
N a. 18° Y b. 22° N c. 26° N d. 30° 2789: As appropriate for the voyage, all vessels must carry adequate and up-to-date __________. (small passenger vessel regulations)
N a. charts N b. Coast Pilots N c. Light Lists Y d. All of the above 2794: Which would influence a magnetic compass?
N a. Electrical wiring N b. Iron pipe N c. Radio Y d. All of the above 2800: Your vessel assumes an angle of loll of 8° after loading a deck cargo. The drafts are: FWD 17'-09", AFT 18'-03". Use the information in Section 1, the blue pages, of the Stability Data Reference Book to determine the negative GM.
N a. 0.0 foot Y b. -0.2 foot N c. -0.8 foot N d. -1.0 foot 3141: The SS AMERICAN MARINER is ready to sail with the load shown. Use the white pages of The Stability Data Reference Book to determine the available GM. ST-0108
N a. Available GM 4.81 ft N b. Available GM 4.69 ft N c. Available GM 4.60 ft Y d. Available GM 4.28 ft 3203: The inside light in an inflatable liferaft is turned on __________.
Y a. automatically as the liferaft inflates N b. with a switch near the boarding handle N c. at night because the light has a photosensitive switch N d. by screwing the bulb in after the raft inflates 3239: Your tow includes a loaded chlorine barge. After inspecting the tow, the mate reports that he hears a hissing sound coming from the safety valves. Where will you find information on emergency procedures concerning the uncontrolled release of cargo?
N a. Barge's Certificate of Inspection Y b. Cargo Information Card on your towboat N c. Cargo Manifest or loading paper N d. Dangerous Cargo Regulations 3494: A passenger vessel in river service which operates in fresh water at least 6 out of every 12 months since the last dry dock examination must be dry-docked at intervals not to exceed __________.
N a. 12 months N b. 24 months N c. 48 months Y d. 60 months 3581: The DEEP DRILLER, at a draft of 58 feet, has VM of 900,000 ft-tons, and FSMT of 20,000 ft-tons. What is the KGT?
Y a. 51.6 feet N b. 52.3 feet N c. 53.8 feet N d. 55.0 feet 3608: A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind __________.
Y a. comes over the bow N b. blows the fire back toward the vessel N c. comes over the stern N d. comes over either beam 3622: The SS AMERICAN MARINER is loaded with the cargo shown. Use the white pages of The Stability Data Reference Book to determine the amount of liquid loading required in the double bottom tanks to meet a one compartment standard. ST-0143
N a. 451 tons Y b. 1126 tons N c. 1451 tons N d. 1726 tons 3696: The equipment required to remove an on-deck oil spill on a barge transferring oil must either be carried on board or __________.
N a. on a tug standing by Y b. available by contract with the shore facility N c. kept at the shoreside hose connection during transfer N d. kept in a protected shoreside location readily accessible 3800: If you have to jump in the water when abandoning ship, your legs should be __________.
N a. spread apart as far as possible N b. held as tightly against your chest as possible N c. in a kneeling position Y d. extended straight down and crossed at the ankles 3848: Each personal flotation device light on an OSV that has a non-replacement power source must be replaced __________.
N a. every six months after initial installation N b. every 12 months after initial installation N c. every 24 months after initial installation Y d. on or before the expiration date of the power source 3940: If you must swim through an oil fire, you should NOT __________.
N a. wear as much clothing as possible N b. enter the water feet first Y c. swim with the wind N d. cover eyes with one hand when entering the water 3948: While adrift in an inflatable liferaft in hot, tropical weather __________.
N a. the canopy should be deflated so that it will not block cooling breezes N b. the pressure valve may be periodically opened to prevent excessive air pressure Y c. deflating the floor panels may help to cool personnel N d. the entrance curtains should never be opened 4391: Which data is NOT used in the Allowable Wind and Wave Charts for the COASTAL DRILLER?
N a. Leg penetration N b. Wave height Y c. Total weight N d. Current 4393: Environmental loading consists of the forces caused by wind, waves, and __________.
N a. drilling N b. soil reactions N c. temperature Y d. current 4737: In the COASTAL DRILLER, VCG is obtained from the sum of the vertical moments by __________.
N a. adding the sum of the weights N b. subtracting the sum of the weights N c. multiplying by the sum of the weights Y d. dividing by the sum of the weights 5497: Which grade of anchor chain is generally used on floating drilling vessels?
N a. Grade 1 N b. Grade 2 Y c. Oil Rig Quality (stud link) N d. 303S 5821: Why should you preload a mooring system above your precalculated operating mooring tensions?
Y a. This serves as a benchmark for increasing tensions in rough weather. N b. This allows you to determine existing bottom conditions. N c. This insures that the anchor cable is stretched out in a straight line. N d. This tests all the components of your mooring equipment. 6067: On offshore drilling units fitted with fixed CO2 systems, the system must discharge at least 85 percent of the required amount of CO2 within __________.
N a. 1 minute Y b. 2 minutes N c. 3 minutes N d. 4 minutes 6105: The primary danger in helicopter fires on a MODU is __________.
Y a. burning jet fuel running on to quarters or other areas N b. loss of the mooring system N c. rotating and flying debris N d. heat damage to helicopter structure 6245: On board a mobile offshore drilling unit, the key to the most rapid and effective response to a man overboard situation is __________.
Y a. well-conducted drills N b. a dedicated crew N c. good equipment N d. good communication 6686: Your drafts are: FWD 24'-09", AFT 27'-02". Use the blue pages of the Stability Data Reference Book to determine the vessels displacement if you are in salt water.
N a. 13,175 tons N b. 13,350 tons N c. 13,490 tons Y d. 13,620 tons 6833: If a drill required by regulations is not completed on a mobile offshore drilling unit, the Master or person in charge must __________.
N a. report this immediately to the OCMI N b. report this immediately to the Commandant of the Coast Guard Y c. log the reason for not completing the drill N d. conduct two of the required drills at the next opportunity 6991: The FIRST treatment of a person suspected of having airway burns is to __________.
N a. move him to a cool location Y b. maintain an open airway N c. apply a cool damp dressing to his neck N d. have him drink cool liquids 7047: What are symptom(s) of a ruptured appendix?
N a. Dilated pupils and shallow breathing N b. Diarrhea and frequent urination Y c. Muscle tenseness in almost the entire abdomen N d. Extreme sweating and reddening skin 8283: When the alarm bell sounds on a positive-pressure, self-contained breathing apparatus, how long will reserve air supply last?
Y a. About 4-5 minutes N b. About 8-10 minutes N c. About 12-15 minutes N d. About 18-20 minutes 8576: The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?
N a. A fusible link will automatically open after a fire is extinguished and reset the damper. Y b. Fusible links must be replaced if a damper is activated. N c. Fusible links are tested by applying a source of heat to them. N d. Fusible links must be replaced at every inspection for certification. 8577: The indication of a slipping anchor is a(n) __________.
N a. decrease in mooring line length N b. increase in the opposite amperage N c. increase in the opposite line tension Y d. decrease in mooring line tension and amperage 8835: A jack-up with a calculated moment to change list one inch (MCL1") of 1,350 foot-kips intends to transfer drill water from a tank with a TCG of 82 feet to a tank with a TCG of 18 feet. How much weight should be transferred to change the draft on the port side from 11.0 to 11.5 feet?
N a. 67.5 kips N b. 81.0 kips N c. 126.6 kips Y d. 253.1 kips 9383: Immediately after abandoning a vessel, lookouts should be posted aboard liferafts to look for __________.
Y a. survivors in the water N b. food and water N c. land N d. bad weather 9631: Fixed carbon dioxide extinguishing systems, for machinery spaces that are normally manned, are actuated by one control to open the stop valve in the line leading to the space, and __________.
N a. the same control releasing the CO2 Y b. a separate control to release the CO2 N c. two separate controls to release the CO2 N d. three separate controls to release the CO2