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.
210: Metacentric height is an indication of a vessel's stability __________.
N a. for all angles of inclination N b. for large angles of inclination Y c. for small angles of inclination N d. in no case 278: What is a treatment for traumatic shock?
N a. Administer CPR. Y b. Administer fluids. N c. Open clothing to allow cooling of the body. N d. Keep the victim in a sitting position. 343: An emergency sea anchor may be constructed by using __________.
N a. a boat bucket N b. an air tank filled with water N c. an oar and canvas weighted down Y d. All of the above 369: A cargo vessel of 9,000 tons displacement is carrying a slack deep tank of molasses (SG 1.4). The tank measures 20 feet long and 30 feet wide. What will be the reduction in metacentric height due to free surface, with the vessel floating in sea water (SG 1.026)?
N a. .142 ft. N b. .177 ft. Y c. .195 ft. N d. .212 ft. 430: The effects of free surface on a vessel's initial stability do NOT depend upon the __________.
N a. volume of displacement of the vessel N b. dimensions of the surface of the liquid Y c. amount of liquid in slack tanks N d. specific gravity of the liquid in the tank 454: Marine Operators, when calling a ship on VHF-FM radiotelephone, normally call on channel __________.
N a. 13 Y b. 16 N c. 19 N d. 23 508: Which should NOT be a treatment for a person who has received a head injury and is groggy or unconscious?
Y a. Give a stimulant. N b. Elevate his head. N c. Stop severe bleeding. N d. Treat for shock. 612: The service life of distress signals must be not more than __________.
Y a. forty two months from the date of manufacture N b. thirty six months from the date of the last inspection N c. twenty four months from the date of approval N d. twelve months from the date of purchase 707: If your bridge-to-bridge radiotelephone ceases to operate, you must __________.
N a. immediately anchor your vessel and arrange for repairs to the system N b. moor your vessel at the nearest dock available and arrange for repairs to the system N c. arrange for the repair of the system to be completed within 48 hours Y d. exercise due diligence to restore the system at the earliest practicable time 708: Removing which will extinguish a fire?
N a. Nitrogen N b. Carbon dioxide N c. Sodium Y d. Oxygen 731: If Annex V to MARPOL 73/78 applies to your vessel, you will not be able to discharge __________ anywhere at sea.
Y a. plastic N b. metal N c. glass N d. paper 959: You are on a supply run to an offshore drilling rig. On board is the cargo listed. What is the height above the main deck of the center of gravity of the cargo? ST-0020
N a. 2.32 feet N b. 2.21 feet Y c. 1.97 feet N d. 1.76 feet 968: Which condition is necessary for a substance to burn?
N a. The temperature of the substance must be equal to or above its fire point. N b. The air must contain oxygen in sufficient quantity. N c. The mixture of vapors with air must be within the "explosive range." Y d. All of the above 969: That center around which a vessel trims is called the __________.
Y a. tipping center N b. center of buoyancy N c. center of gravity N d. turning center 1019: You are operating 10 miles offshore with three people aboard. What kind of survival craft must you carry?
N a. An inflatable liferaft with a coastal pack N b. A life float N c. An inflatable buoyant apparatus Y d. No survival craft is required. 1198: Lead-acid batteries used aboard "T-Boats" must have terminal connections that are __________.
N a. the spring slip style Y b. a permanent type N c. located so as to be easily greased N d. temporarily clamped on the top of the battery 1229: Which T-Boat must be fitted with a suitable compass?
N a. A vessel in river service N b. A vessel operating on a short, restricted route on lakes, bays, and sounds Y c. A vessel engaged in ocean or coastwise service N d. The regulations do not require a compass on any vessel 1278: An extinguishing agent which effectively cools, dilutes combustible vapors, removes oxygen, and provides a heat and smoke screen is __________.
N a. carbon dioxide N b. Halon 1301 N c. dry chemical Y d. water fog 1357: The SS AMERICAN MARINER is partially loaded with a GM of 2.9 feet and drafts of: FWD 17'-10", AFT 19'-04". Use the white pages of the Stability Data Reference Book to determine what tanks you should ballast to increase the GM to 3.9 feet.
Y a. Tanks: DB4, DT6 N b. Tanks: DB3, DB5, DT8 N c. Tanks: DB6, DT7 N d. Tanks: DB2, DT1, DT6 1363: Before entering the chain locker, you should __________.
N a. have someone standing by N b. make sure there is sufficient air within the locker N c. de-energize the windlass Y d. All of the above 1416: You will extinguish a fire when you remove __________.
N a. nitrogen Y b. oxygen N c. sodium N d. carbon dioxide 1662: By regulation, your cargo vessel must have __________.
Y a. sufficient facilities for the crew to wash their clothes N b. a wash basin in each room N c. separate toilet facilities for engineers where their number exceeds six N d. All of the above 1669: You have abandoned ship and after two days in a liferaft you can see an aircraft near the horizon apparently carrying out a search pattern. You should __________.
N a. switch the EPIRB to the homing signal mode N b. use the voice transmission capability of the EPIRB to guide the aircraft to your raft N c. turn on the strobe light on the top of the EPIRB Y d. use visual distress signals in conjunction with the EPIRB 1674: You are requisitioning stores for your tank vessel. What type of matches are permitted aboard?
N a. Phosphorous Y b. Safety N c. Self-extinguishing N d. Wooden 1687: The old sailors admonition "Beware the lee shore" warns of the danger due to __________.
N a. the wind blowing stronger at this location Y b. the ground swell making it difficult to tack off N c. the current flowing directly on shore N d. there being less wind in the lee of the shore 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 1839: A sailing vessel with the wind coming from 020° relative would be __________.
Y a. coming about N b. close hauled on the port tack N c. running before the wind N d. on a broad reach on the starboard tack 1946: You have 8 containers of steward's supplies each measuring 6'L by 6'B by 6'H and weighing 1.5 tons each. Each container is stowed on deck. What is the maximum VCG permitted of the remaining cargo if you are carrying rig water and load to maximum capacity? (Refer to trim and stability letter for M.V. Surveyor.) (D037DG )
N a. 1.00 foot N b. 1.33 feet Y c. 1.48 feet N d. 2.00 feet 1965: Which statement concerning exposure to microwave signal radiation is TRUE?
N a. There is minimal hazard potential as long as the Operator notifies other system users aboard the vessel that the potential exists. Y b. The INMARSAT-B ray dome normally prevents nearby persons from being able to determine the direction of the internal antenna. N c. There is equally significant hazard potential from all INMARSAT antenna systems. N d. FCC type acceptance regulations require that radiated power be kept to a minimum so as to prevent hazard potential. 2073: If your rig is equipped with a SSB radio, what frequency would you use to initiate a distress call?
N a. 1982 kHz N b. 2082 kHz Y c. 2182 kHz N d. 2282 kHz 2427: What is the female section of a tool joint called?
N a. Stem N b. Pin Y c. Box N d. Stand 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 2480: According to the Chemical Data Guide, what is NOT a recommended extinguishing agent for an ethyl chloride fire?
N a. CO2 Y b. Alcohol foam N c. Dry chemical N d. Water fog 2491: The platform that supports the derrickman when tripping pipe is called the __________.
N a. Texas deck N b. water table N c. stabbing board Y d. monkey board 2495: A series of trays with sieves that vibrate to remove cuttings from the circulating fluid in rotary drilling operations is called the __________.
Y a. shale shaker N b. settling pit N c. desilter N d. desander 2709: Your vessel's drafts are: FWD 24'-06", AFT 25'-08"; and the KG is 22.9 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 50° inclination if the center of gravity is 0.5 foot off center.
N a. 3.3 feet N b. 2.6 feet Y c. 2.3 feet N d. 2.0 feet 3076: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 11'-01", AFT 15'-01". 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-0103
N a. 0.87 foot N b. 0.98 foot Y c. 1.14 feet N d. 1.25 feet 3153: The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers severe damage to the port aft column below the waterline. You should pump from tank __________.
N a. C1S N b. 9S Y c. 10P N d. 2S 3312: By regulation, life preservers aboard an uninspected towing vessel must be __________. (Uninspected Vessel Regulations)
Y a. readily accessible N b. securely stowed N c. stored in sealed containers N d. stowed with the emergency provisions 3387: A semisubmersible records the following drafts: Port Forward 64'-09"; Port Aft 68'-09"; Starboard Forward 59'-09"; Starboard Aft 63'-09". What is the mean draft?
Y a. 64.25 feet N b. 64.40 feet N c. 64.75 feet N d. 64.90 feet 3545: Until a change to lightweight has been approved, the weights and center of gravity locations for the changes to lightweight shown in the permanent record for the Deep Driller are treated as __________.
Y a. variable load N b. fixed load N c. basic load N d. gross tonnage 3557: What are the maximum vertical moments, including free surface moments, permitted on the DEEP DRILLER at survival draft if the winds are less than 70 knots?
N a. 912,120 foot-tons N b. 933,124 foot-tons N c. 996,529 foot-tons Y d. 998,929 foot-tons 3642: When communicating on the radiotelephone using plain English, what procedure word indicates the end of my transmission and that a response is necessary?
N a. Out Y b. Over N c. Roger N d. Wilco 3735: 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 normal 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. Immerse them in a hot bath to rapidly raise their body temperature. 3851: On the DEEP DRILLER, among the valves to open when transferring ballast from Tank 10P to Tank 1S using the #2 ballast pump is valve __________.
N a. 33 Starboard Y b. 36 Starboard N c. 33 Port N d. 36 Port 3943: On the DEEP DRILLER, to use the drill water pump to supplement the bilge pumps, it is necessary to open valves 28 and __________.
N a. 25 Y b. 26 N c. 29 N d. 48 4008: You are preparing to load fuel oil on a vessel of 300 gross tons constructed after June 30, 1974. Before loading, you must check that the fuel oil tank vents __________.
N a. are not obstructed by on-deck cargo N b. have a fire extinguisher within the immediate area Y c. have containment capacity for at least one half barrel N d. are opened and the flame screen replaced 4164: The color of the signal flares sent up by a submarine about to surface from periscope depth is __________.
Y a. white N b. yellow N c. red N d. green 4218: You are loading in a port subject to the winter load line mark and bound for a port subject to the tropical load line mark. You will enter the summer zone after steaming four days, and you will enter the tropical zone after a total of twelve days. You will consume 31 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.000, and the average TPI is 46. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
Y a. 78 inches N b. 74 inches N c. 70 inches N d. 68 inches 4387: The COASTAL DRILLER is elevated in 192 feet of water. Leg penetration is 83 feet. The maximum leg reaction is 5,940 kips. The waves are 30 feet and the current is 2 knots. What is the maximum wind for drilling?
N a. 45 knots Y b. 50 knots N c. 57 knots N d. 62 knots 4572: You are underway at sea. A fire is reported in the forward part of the vessel. The wind is from dead ahead at 20 knots. You should __________.
N a. remain on course and hold speed Y b. change course and put the stern to the wind N c. change course to put the wind on either beam and increase speed N d. remain on course but decrease speed 4583: The COASTAL DRILLER, elevated in 150 feet of water with 0 knots current, 10 foot waves, and wind speeds of 70 knots may continue drilling if the maximum leg reaction is less than __________.
N a. 5,940 kips N b. 6,020 kips Y c. 6,080 kips N d. 6,520 kips 4745: While loaded as shown in the COASTAL DRILLER sample load form #3 (drilling), all of the casing is discharged. What is the change in LCG?
N a. 1.98 feet forward N b. 1.95 feet forward Y c. 0.02 foot forward N d. 0.02 foot aft 5154: 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 6743: The required fireman's outfits required for MODU's are not to be used for any other purpose EXCEPT for the __________.
N a. oxygen and explosion meter when it is used for detection of flare gases Y b. self-contained breathing apparatus, when used as protection from gas leaking from a refrigeration unit N c. boots and gloves that are made of rubber or electrically non-conductive material, if used when repairing electrical equipment N d. lifeline, if used by personnel entering a compartment which might be deficient of oxygen 7391: Personnel boarding a davit-launched liferaft from a MODU should be checked to assure they are not in possession of or wearing __________.
N a. oil stained shoes or clothing Y b. sharp objects that may puncture or damage the liferaft N c. matches or cigarette lighters N d. drugs or paraphernalia not approved by a medical doctor 8198: On a vessel of 6500 tons displacement, a tank 30 ft. long, 32 ft. wide and 15 ft. deep is half filled with oil cargo (S.G. 0.948) while the vessel is floating in saltwater (S.G. 1.026). What is the free surface constant for this tank?
N a. 3240 N b. 2731 Y c. 2162 N d. 1336 9375: After extinguishing a paint locker fire using the fixed CO2 system, the next action is to have the space __________.
N a. opened and burned material removed Y b. left closed with vents off until all boundaries are cool N c. checked for oxygen content N d. doused with water to prevent reflash 9493: On a vessel, multiplying a load's weight by the distance of the load's center of gravity above the baseline results in a(n) __________.
N a. transverse moment Y b. vertical moment N c. righting moment N d. inclining moment 9561: Vertical moments are obtained by multiplying a vessel's weight and its __________.
Y a. VCG or KG N b. LCB N c. LCG N d. TCG