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.
65: The most serious effect of trapped air in a diesel engine jacket water cooling system is that it __________.
Y a. accelerates erosion N b. reduces the effectiveness of chromate additives N c. can form pockets of high chemical concentrates N d. accelerates formation of sludge deposits 99: Annex V to MARPOL 73/78 contains requirements pertaining to the discharge into the marine environment of __________.
N a. oil Y b. garbage N c. noxious liquid substances N d. None of the above 175: According to 46 CFR Subchapter T, a stability test may be dispensed with if the __________.
Y a. Coast Guard has the approved stability test results of a sister vessel N b. projected cost is unreasonable N c. Coast Guard does not have a qualified inspector available N d. vessel is of a proven design 308: A person being treated for shock should be wrapped in warm coverings to __________.
N a. increase body heat Y b. preserve body heat N c. avoid self-inflicted wounds caused by spastic movement N d. protect the person from injury during transportation 311: Spontaneous ignition can result from __________.
N a. an unprotected drop-light bulb Y b. careless disposal or storage of material N c. smoking in bed N d. worn electrical wires on power tools 355: The center of flotation of a vessel is the point in the waterplane __________.
Y a. about which the vessel lists and trims N b. which coincides with the center of buoyancy N c. which, in the absence of external forces, is always vertically aligned with the center of gravity N d. which is shown in the hydrostatic tables as VCB 407: Any person maintaining a listening watch on a bridge-to-bridge radiotelephone must be able to __________.
Y a. speak English N b. repair the unit N c. send Morse Code N d. speak a language the vessel's crew will understand 407: Any person maintaining a listening watch on a bridge-to-bridge radiotelephone must be able to __________.
Y a. speak English N b. repair the unit N c. send Morse Code N d. speak a language the vessel's crew will understand 461: Which statement about transmitting distress messages by radiotelephone is INCORRECT?
Y a. It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration. N b. Channel 16 (156.8 MHz) may be used for distress messages. N c. If no answer is received on the designated distress frequencies, repeat the distress call on any frequency available. N d. Distress messages should first be transmitted on 2182 kHz. 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 732: Which statement(s) is(are) TRUE concerning the use of dry chemical extinguishers?
Y a. You should direct the spray at the base of the fire. N b. You should direct the spray directly into the fire. N c. You should direct the spray at a vertical bulkhead and allow it to flow over the fire. N d. All of the above 771: You are approaching another vessel and see that she has the signal flag "F" hoisted. What should you do?
N a. Continue on your present course since the vessel is signaling for a pilot. Y b. Attempt to call the vessel on VHF radiotelephone because she is disabled. N c. Stop your vessel instantly. N d. Change course to keep clear of the vessel because she is maneuvering with difficulty. 1007: What is the BEST conductor of electricity?
N a. Carbon dioxide N b. Distilled water N c. Fresh water Y d. Salt water 1102: While using a combustible gas indicator, if the hydrocarbon content of the atmosphere exceeds the U.E.L., the needle of the indicator will __________.
N a. remain at zero without moving N b. move to the maximum reading and stay there N c. move halfway up the scale Y d. move to the maximum reading and immediately return to zero 1159: The SS AMERICAN MARINER is ready to load the cargo listed. There is already 3315 tons of cargo on board with a KG of 27.0 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-0028
N a. KG 26.2 feet N b. KG 27.4 feet Y c. KG 28.6 feet N d. KG 30.1 feet 1209: According to 46 CFR Subchapter T the purpose of fuses in electric wiring is to __________.
N a. allow for cutting out branch circuits Y b. prevent overloading the circuits N c. reduce voltage to the branch circuits N d. permit the use of smaller wiring for lighting circuits 1222: After each reading of an oxygen indicator, the instrument should be purged with __________.
N a. CO2 Y b. fresh air N c. the tested compartment's air N d. water 1238: When attempting to enter a compartment containing a fire, which method of applying water is best?
N a. High-velocity fog stream directed toward the overhead N b. Straight stream directed into the center of the fire Y c. Sweeping the compartment with a fog stream N d. Solid stream directed toward the overhead 1569: Which list is NOT required to be provided as part of the appendices of the Shipboard Oil Pollution Emergency Plan?
N a. A list of agencies or officials of Coastal State Administrators responsible for receiving and processing incident reports. N b. A list of agencies or officials in regularly visited ports. N c. A list specifying who will be responsible for informing the parties listed and the priority in which they must be notified. Y d. A list of personnel duty assignments. 1864: The liquid mud tanks on your vessel measure 40'L by 20'B by 8'D. The vessel's displacement is 996 T and the specific gravity of the mud is 1.7. What is the reduction in GM due to 2 of these tanks being slack?
N a. 0.95 foot N b. 1.26 feet N c. 2.10 feet Y d. 2.54 feet 1871: If the cause of a sudden severe list is negative initial stability, counterflooding into empty tanks may __________.
N a. increase the righting moment N b. cause an increase in the righting arm N c. bring the vessel to an upright equilibrium position Y d. cause the vessel to flop to a greater angle 1974: When experiencing heavy winds, you should reef sails to __________.
N a. bring the sails parallel to the wind Y b. reduce sail area exposed to the wind N c. allow the sails to catch more wind N d. remove all tension on the main and jib sheets 2040: You have 360 tons of below deck tonnage and 145 tons of above deck cargo on board. You must load 220 tons of liquid mud below deck. How much more deck cargo can you load? (See illustration D036DG, stability letter for M.V. Hudson.) (D036DG )
N a. 22 tons N b. 48 tons Y c. 94 tons N d. 239 tons 2147: Each life preserver must be readily accessible to the person for whom it is intended while he or she is __________.
N a. at work, only N b. in his or her berthing area, only Y c. BOTH at work and in his or her berthing area N d. None of the above 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 2187: What is a functional or carriage requirement for compulsory vessels?
N a. A compulsory vessel must carry at least two FCC licensed GMDSS Radio Operators. N b. A compulsory vessel must satisfy certain equipment carriage requirements that are determined by where the vessel sails. N c. A compulsory vessel must be able to transmit and respond to Distress alerts. Y d. All of the above 2201: The name of the fishing vessel is NOT required to be marked on a(n) __________.
N a. EPIRB Y b. inflatable liferaft N c. life float N d. buoyant apparatus 2364: Your vessel is limited to a maximum draft of 27'-06". The present drafts are: FWD 24'-10", AFT 26'-00". How much more cargo can be loaded and where should it be located if a drag of 1 foot is desired? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
Y a. 950 tons 2.5 feet forward of the tipping center N b. 950 tons 5.6 feet aft of amidships N c. 1250 tons 4.3 feet forward of amidships N d. 1250 tons 1.4 feet aft of the tipping center 2386: What are the vessel equipment and personnel requirements for GMDSS?
N a. Two licensed GMDSS radio operators N b. Equipment carriage requirements N c. Distress alerting and response Y d. All of the above 2469: According to the regulations, cargo pumprooms on tank vessels (constructed in 1965) handling grade C liquid cargo shall have power ventilation systems which can completely change the air in __________.
N a. 1 minute Y b. 3 minutes N c. 5 minutes N d. 10 minutes 2494: An example of a grade C product is __________.
Y a. naphtha, vm and p N b. tridecanol N c. cottonseed oil N d. camphor oil 2660: A synonym for chloroform is __________.
Y a. trichloromethane N b. sulfuric chlorohydrin N c. chlorine gas N d. 4-methyl phenol 2676: A safe fuel system must __________.
N a. prevent engine overheating N b. have proper air/gasoline fuel mixture ratio Y c. be liquid- and vapor-tight N d. supply sufficient air to the intake manifold 2720: To determine the pressure and temperature limitations under which LFG is required to be transported on a barge, you should look at the __________.
Y a. Certificate of Inspection N b. loading order N c. rules and regulations for tank vessels N d. tankerman's document 2896: Your vessel is certificated to carry 50 persons. You are required to have __________. (small passenger vessel regulations)
N a. 50 adult life jackets N b. 40 adult life jackets and 10 child life jackets Y c. 50 adult life jackets and 5 child life jackets N d. 50 adult life jackets and 2 child life jackets 3035: The external inflation bladder on an immersion suit should be inflated __________.
N a. before you enter the water Y b. after you enter the water N c. after one hour in the water N d. after you notice that your suit is losing buoyancy 3097: When retrieving the survival craft, the winch operator should stop the winch and check __________.
N a. that all personnel are seated in the craft Y b. that the cable has not jumped any grooves on the drum N c. which way the wind is blowing N d. the hydraulic fuel level before lifting 3202: Which of these approved lifesaving devices must a small passenger vessel carrying passengers for hire carry for each person on board? (small passenger vessel regulations)
N a. Buoyant cushion Y b. Life jacket N c. Ring buoy N d. Buoyant vest 3406: After having thrown the liferaft and stowage container into the water, the liferaft is inflated by __________.
Y a. pulling on the painter line N b. forcing open the container which operates the CO2 N c. hitting the hydrostatic release N d. using the hand pump provided 3572: Your vessel's existing draft is FWD 25'-04", AFT 24'-08". Using the Guidance Manual for Loading M.V. GRAND HAVEN, determine the new draft if 634 long tons are discharged from NO. 19 hatch.
N a. FWD 25'-00 1/4", AFT 25'-04 1/8" N b. FWD 25'-02 3/4", AFT 23'-08 5/8" Y c. FWD 25'-05 1/4", AFT 23'-08 5/8" N d. FWD 25'-10 1/4", AFT 23'-11 3/4" 3610: A passenger vessel is underway. When may passengers visit the pilothouse?
Y a. Passengers are excluded from the pilothouse while underway. N b. Passengers are permitted in the pilothouse during daylight hours only. N c. Passengers are permitted to visit the pilothouse when authorized by the Master and officer of the watch. N d. Passengers are permitted in the pilothouse when they are escorted by a ship's officer. 3796: Which of the following steps should normally be taken first by those who have boarded a liferaft in an emergency situation?
N a. Ration food and water supplies Y b. Search for survivors N c. Determine position and closest point of land N d. Check pyrotechnic supplies 3931: Aboard the DEEP DRILLER, to use the drill water pump to supplement the bilge pumps, it is necessary to open valves 26 and __________.
N a. 41 N b. 29 Y c. 28 N d. 25 3993: The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of longitudinal moments for the Stores & Supplies (Table 6) if paint weighing 3.48 tons is added to the paint locker?
N a. 5,996 foot-tons Y b. 1,688 foot-tons N c. 495 foot-tons N d. 115 foot-tons 4313: The COASTAL DRILLER, in transit with winds expected to exceed 70 knots, must lower the legs to 60.5 feet below the hull in order to meet the requirements for leg strength and __________.
Y a. stability N b. variable load N c. environmental load N d. load line 4321: Sea water temporarily pumped into tanks to simulate the increased vertical loading of environmental forces is termed __________.
Y a. preload N b. liquid variable load N c. fixed load N d. basic load 4801: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new VCG if the entire contents of drill water tanks 6 and 7 are discharged?
N a. 38.00 feet N b. 48.38 feet Y c. 49.16 feet N d. 65.00 feet 5813: An ideal mooring system would be __________.
Y a. symmetrical and in equilibrium N b. asymmetrical and in flux N c. distorted and in equilibrium N d. concentric and in flux 5825: The tension on an anchor cable increases so that the angle of the catenary to the seabed at the anchor reaches 10 degrees. How will this affect the anchor in sandy soil?
N a. It will have no effect. N b. It will increase the holding power. Y c. It will reduce the holding power. N d. It will cause the anchor to snag. 5958: You are wearing a breathing apparatus inside a tank. How many tugs on the lifeline should you give to indicate that you are advancing?
N a. 1 Y b. 2 N c. 3 N d. 4 6175: It is the responsibility of the Master or person in charge of a MODU to ensure that __________.
N a. the Muster List ("Station Bill") is posted in each compartment Y b. temporary personnel and visitors are advised of emergency stations N c. names of crew members are listed on the Muster List ("Station Bill") N d. no changes are made to the Muster List ("Station Bill") 6246: 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. N b. Fusible links must be replaced at every inspection for certification. Y c. Fusible links must be replaced if a damper is activated. N d. Fusible links are tested by applying a source of heat to them. 6426: Your drafts are: FWD 21'-03", AFT 26'-00". Use the blue pages of the Stability Data Reference Book to determine the location of the center of flotation relative to amidships.
Y a. 2.8 feet forward N b. 2.1 feet forward N c. 1.6 feet forward N d. 1.9 feet aft 6671: Each hand portable fire extinguisher on a MODU must be marked with __________.
N a. the name of the unit on which it is located N b. the date that it was installed on the unit N c. the names of the individuals qualified to use it Y d. an identification number different from other extinguishers on the unit 7601: At all angles of inclination, the true measure of a vessel's stability is the __________.
N a. metacentric height N b. displacement Y c. righting moment N d. inclining moment 7663: Subtracting KG from KM yields __________.
N a. BM Y b. GM N c. GZ N d. KG 8213: What fitting should you install in the rig piping to a pump to facilitate disconnecting the pump for servicing?
N a. Coupling Y b. Union N c. Flange N d. Nipple 8313: The worst atmospheric condition for dispersion of H2S is __________.
N a. heavy rain N b. gusty winds with rain Y c. nearly calm, clear nights or early morning N d. full sun with high winds 9441: The moment of a force is a measure of the __________.
Y a. turning effect of the force about a point N b. instantaneous value of the force N c. stability characteristics of the vessel N d. center of gravity location 9575: While preloading, the COASTAL DRILLER has a total weight of 21,401 kips. The LM are 2,560,416 ft-kips, and the TM are 6,206 ft-kips. What is the bow leg reaction?
Y a. 7,099 kips N b. 7,134 kips N c. 7,151 kips N d. 7,203 kips