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.
80: What represents the metacentric height? (D001SA )
N a. M Y b. GM N c. BM N d. GZ 112: Your small vessel is broken down and rolling in heavy seas. You can reduce the possibility of capsizing by __________.
Y a. rigging a sea anchor N b. constantly shifting the rudder N c. moving all personnel forward and low N d. moving all personnel aft 186: Fire hose stations shall be marked in red letters and figures such as Fire Station No. "1", "2", "3", etc. The height of the letters and figures must be at least __________.
N a. 1/2 inch N b. 1 inch N c. 1-1/2 inches Y d. 2 inches 284: What is the correct interpretation of the flag hoist G, 4, 2, 1, first substitute.
N a. G421G Y b. G4214 N c. G421G421 N d. G4211 290: What will happen when cargo is shifted from the main deck into the lower hold of a vessel?
Y a. The GM will increase. N b. The metacenter will move upward. N c. The center of buoyancy will move upward. N d. All of the above 450: Which type of portable fire extinguisher is best suited for putting out a Class D fire?
N a. Dry chemical N b. CO2 N c. Foam Y d. Dry powder 557: Under the "Vessel Bridge-to-Bridge Radiotelephone Act" the frequency for bridge-to-bridge communications is 156.65 MHz or channel __________.
N a. 12 Y b. 13 N c. 14 N d. 16 632: Portable foam type fire extinguishers are most effective on __________.
N a. mattress fires Y b. oil fires N c. wood fires N d. All of the above 649: The lifeline of a life float or buoyant apparatus shall __________.
N a. be at least 3/8 inch diameter and properly secured around the sides and ends of the device N b. be festooned in bights not longer than three feet long N c. have a seine float in each bight unless the line is an inherently buoyant material Y d. All of the above 886: What is the minimum number of deck officers, able seaman or certificated persons required for a lifeboat on a vessel in ocean service?
Y a. Two N b. Three N c. Four N d. Five 923: You are at sea on a vessel whose beam is 60 feet and full period of roll is 20 seconds. What is the estimated metacentric height of the vessel?
N a. 1.3 ft N b. 1.5 ft Y c. 1.7 ft N d. 1.9 ft 943: You are at sea on a vessel that has a beam of 60 feet, and you calculate the period of roll to be 25 seconds. What is the vessel's metacentric height?
N a. 0.8 ft Y b. 1.1 ft N c. 1.4 ft N d. 1.6 ft 993: If your vessel has a GM of one foot and a breadth of 50 feet, what will be your full rolling period?
N a. 11 seconds N b. 15 seconds N c. 20 seconds Y d. 22 seconds 1033: Your vessel has been in a collision. After assessing the damage, you begin down flooding. This will cause the KB to do what?
N a. Fall N b. Remain stationary Y c. Rise N d. Shift to the high side 1098: Which statement is TRUE concerning the "flash point" of a substance?
Y a. It is lower than the ignition temperature. N b. It is the temperature at which a substance will spontaneously ignite. N c. It is the temperature at which a substance, when ignited, will continue to burn. N d. It is the temperature at which the released vapors will fall within the explosive range. 1277: When possible, what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?
N a. Secure all engine room doors, hatches, and vents. Y b. Close the fuel line valve. N c. Check the spread of the fire with foam. N d. Cast the barge off the wharf. 1284: The operating cord on an inflatable liferaft also serves as a __________.
N a. lifeline Y b. painter N c. drogue N d. marker 1479: If your vessel is aground at the bow, it would be preferable that any weight removals be made from the __________.
Y a. bow N b. mid-section N c. stern N d. All of the above 1508: Portable foam fire-extinguishers are designed for use on class __________.
Y a. A and class B fires N b. A and class C fires N c. B and class C fires N d. A, class B, and class C fires 1580: Which statement is TRUE concerning the placard entitled "Discharge of Oil Prohibited"?
N a. It is required on all vessels. N b. It is only required in the wheelhouse. Y c. It may be located at the bilge and ballast pump control station. N d. All of the above 1984: You have 550 tons of below deck tonnage including liquid mud. Your existing deck cargo is 120 tons with a VCG above the deck of 2.6 feet. What is the maximum additional deck cargo tonnage you are permitted to load? (See illustration D036DG, stability letter for M.V. Hudson) (D036DG )
N a. 20 tons N b. 60 tons Y c. 120 tons N d. 240 tons 2226: You are sailing on a close reach when a strong wind suddenly heels the vessel hard over. To reduce the heeling and yet maintain speed, you should __________.
Y a. ease the mainsheet and bear more away from the wind N b. haul in on the mainsheet and steer more towards the wind N c. haul in on the mainsheet and ease the jib sheet N d. ease all sheets and bear more into the wind 2257: The survival craft's engine is fueled with __________.
N a. kerosene N b. unleaded gasoline Y c. diesel oil N d. liquefied gas 2335: What is required in addition to the heat, fuel, and oxygen of the fire triangle to have a fire?
Y a. Chain reaction N b. Electricity N c. Pressure N d. Smoke 2533: An obstruction on a helodeck is any object that might present a hazard to the __________.
Y a. rotor blades and landing gear N b. unloading of passengers N c. loading of cargo N d. pilot's visibility 2537: Which statement(s) is(are) TRUE regarding heaving-to?
N a. A sloop will heave to with her jib and mainsail aback. N b. A ketch will heave to with her jib and mizzen aback. Y c. A yawl will heave to with her jib aback, main sheet eased, and her mizzen sheeted in. N d. All of the above are correct. 2571: You have abandoned ship in rough weather. After picking up other survivors in your liferaft, what should you do next?
Y a. Close up the entrances. N b. Top up the buoyancy tubes. N c. Prepare for the arrival of rescue units. N d. Decide on food and water rations. 2612: What is NOT listed as a synonym for crude oil in the Chemical Data Guide?
N a. Rock oil N b. Mineral oil N c. Seneca oil Y d. Earth crude 2771: The angle to which a floating MODU, with a negative initial metacentric height, lies while at rest in still water is the angle of __________.
N a. trim N b. yaw N c. heel Y d. loll 3030: The SS AMERICAN MARINER has the liquid loading shown. Use the white pages of The Stability Data Reference Book to determine the KG of the liquid load. ST-0097
N a. 7.7 feet N b. 9.1 feet N c. 9.9 feet Y d. 10.6 feet 3137: With damaged floating vessels, the most important consideration is the preservation of __________.
N a. bilge pumping capacity Y b. reserve buoyancy N c. level attitude N d. instability 3368: Your tow includes a barge carrying chlorine. Which special requirements must be observed?
N a. The wing voids shall not be opened when underway. N b. You must post a deckhand to keep a special watch on this barge. Y c. A cargo information card for chlorine must be in the pilothouse. N d. All of the above 3655: You can indicate that your vessel is in distress by __________.
N a. displaying a large red flag N b. displaying three black balls in a vertical line N c. sounding five or more short and rapid blasts on the whistle Y d. continuously sounding the fog whistle 3775: The sounding in fuel oil tank 4P on the DEEP DRILLER is 8.75 feet. What are the transverse moments for this amount of fuel?
Y a. -17,416 ft-long tons N b. -874 ft-long tons N c. 3,992 ft-long tons N d. 17,416 ft-long tons 3841: What is the change in the vertical moments for the DEEP DRILLER if 2.0 feet of ballast is transferred from a full ballast tank 3P to an empty ballast tank 10P?
N a. 43 ft-tons increase N b. 69 ft-tons decrease Y c. 556 ft-tons decrease N d. 5,575 ft-tons decrease 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 4035: The DEEP DRILLER, loaded as shown in the Sample Load Form #4 (Drilling), discharges a non-liquid load of 275.8 long tons from a position 130 feet above the keel, 40 feet forward of amidships, and 30 feet to port of the centerline. What is the new KGL?
N a. 52.60 feet N b. 53.65 feet Y c. 54.32 feet N d. 54.92 feet 4085: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new height of the center of gravity corrected for transverse free surface effects if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?
N a. 65.95 feet N b. 66.85 feet N c. 67.66 feet Y d. 68.59 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 4101: The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the new height of the transverse metacenter if all the bulk materials are discharged?
N a. 63.14 feet N b. 64.05 feet Y c. 64.30 feet N d. 66.09 feet 4129: Under normal operating conditions, the rudder is hydraulically locked unless __________.
N a. the manual trick wheel is engaged for steering N b. the variable stroke pump is off stroke Y c. a rudder order is given by the control system N d. an electric power system failure occurs at the steering gear 4132: When the helm is turned on the navigation bridge, which of the listed actions will be the FIRST response in the steering room on a ship equipped with an electro-hydraulic steering gear?
N a. The pumps go to full stroke. N b. The six-way valve aligns itself with the running pump. N c. Both port and starboard cables are energized. Y d. The synchronous receiver turns, duplicating the helm motion. 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 4551: What are the transverse moments for 10.5 feet of sea water in preload tank #2 for the COASTAL DRILLER?
N a. 15,044 kips Y b. 12,123 kips N c. 5,468 kips N d. 2,732 kips 4814: You are scheduled to load 3900 tons of cargo, 45 tons of crew effects and stores and 359 tons of fuel. Use the blue pages of the Stability Data Reference Book to determine the vessel's mean draft in fresh water.
N a. 19'-00" N b. 18'-07" N c. 18'-04" Y d. 18'-01" 5155: A MODU displacing 10,000 long tons with KG 20.0 feet, uses its crane to lift a 40 long ton load from dockside and place it on board at a VCG of 5.0 feet. When lifting, the head of the crane boom is 50.0 feet above the keel. During the lift, what is the apparent increase in KG?
N a. 0.02 foot N b. 0.12 foot N c. 0.18 foot Y d. 0.20 foot 5315: The COASTAL DRILLER, in transit during a severe storm while at a draft of 9 feet 6 inches, has a KGT of 39.1 feet and a KGL of 39.9 feet. The margin on the maximum allowable KG is __________.
Y a. 2.6 feet N b. 3.4 feet N c. 25.1 feet N d. 25.9 feet 5963: On a MODU, CO2 extinguishers must be weighed __________.
N a. monthly N b. quarterly N c. semiannually Y d. annually 6004: 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-0189
N a. Available GM 4.1 ft N b. Available GM 4.3 ft Y c. Available GM 4.7 ft N d. Available GM 5.1 ft 6101: What must be provided on a MODU helicopter deck that is equipped with fueling facilities?
N a. Fuel testing station N b. Foam testing station Y c. Foam fire protection system N d. Fire alarm 6253: The Coast Guard requires machinery spaces and enclosed mud handling spaces to have __________.
Y a. remote ventilation shutdowns N b. remote pump shutdowns N c. alternative control stations N d. smoke and/or fire detection system 6733: The person in charge of a MODU shall insure that the fuel tank of each motor propelled lifeboat is emptied, and the fuel is changed at least once every __________.
N a. 3 months N b. 6 months Y c. 12 months N d. 24 months 6753: If not attached to the nozzle, each low-velocity spray applicator on a MODU must be stowed __________.
N a. in a protected area on the main deck N b. inside a machinery space near the entrance Y c. next to the fire hydrant to which the fire hose is attached N d. on a rack inside the quarters near the entrance 6965: In the case of a casualty involving a MODU, the Master, owner, agent or person in charge shall make the records required by regulation available upon request to __________.
N a. anyone involved in the casualty Y b. any Coast Guard official authorized to investigate the casualty N c. the local Captain of the Port N d. All of the above 7077: Where there are multiple accident victims, which type of injury should be the first to receive emergency treatment?
Y a. Severe shock N b. Eye injuries N c. Burns N d. Major multiple fractures 8515: While preparing for a storm when elevated, the total weight of the COASTAL DRILLER is 14,150 kips, LM are 1,712,150 ft-kips, and TM are -9,905 ft-kips. The starboard leg reaction is __________.
N a. 4,536 kips N b. 4,698 kips Y c. 4,725 kips N d. 4,890 kips 8563: How often must CO2 systems be inspected to confirm cylinders are within 10% of the stamped full weight of the charge?
N a. quarterly N b. semiannually Y c. annually N d. biannually 8627: What is the shift in the longitudinal center of gravity if 200 short tons are discharged from 30 feet forward of amidships on a MODU with LCG 1.5 feet forward of amidships, and displacement 9,000 short tons?
N a. 0.62 foot aft Y b. 0.65 foot aft N c. 0.68 foot aft N d. 0.71 foot aft 8927: On the COASTAL DRILLER, placing the rotary 34 feet aft of the transom and two feet to starboard of the centerline, limits the maximum hook load to __________.
N a. 1000 kips Y b. 875 kips N c. 750 kips N d. 450 kips 9581: The C02 flooding system is actuated by a sequence of steps which are __________.
Y a. break glass, pull valve, break glass, pull cylinder control N b. sound evacuation alarm, pull handle N c. open bypass valve, break glass, pull handle N d. open stop valve, open control valve, trip alarm