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.
42: The advantages of using an inert gas system on a tank vessel is that it provides __________.
N a. for faster loading Y b. tank atmosphere with low oxygen content N c. better fuel economy N d. All of the above 200: Which statement is TRUE of a tender vessel?
N a. It has a large GM. Y b. Its period of roll is long. N c. It has a very low center of gravity. N d. It has a good transverse stability. 252: What, when removed, will result in the extinguishment of a fire?
N a. Nitrogen N b. Sodium Y c. Oxygen N d. Carbon dioxide 270: When cargo is shifted from the lower hold to the main deck the __________.
Y a. center of gravity will move upwards N b. GM will increase N c. center of buoyancy will move downward N d. All of the above 554: When using the International Code of Signals to communicate, the end of a radiotelephone transmission is indicated by the signal __________.
N a. YZ N b. CQ N c. WA Y d. AR 587: Which vessel is NOT required to have a radiotelephone?
N a. A 34-foot vessel engaged in towing N b. A dredge operating in a channel N c. A vessel of 100 GT carrying 50 passengers for hire Y d. A 12-meter private yacht 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 902: Your vessel is equipped with a fixed CO2 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?
N a. Use the CO2 system and evacuate the engine room. N b. Use the fire main system and evacuate the engine room. Y c. Evacuate the engine room and use the CO2 system. N d. Evacuate the engine room and use the fire main system. 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 1049: The SS AMERICAN MARINER has the following drafts: FWD 09'-00", AFT 15'-11". Upon completion of loading and bunkering the items listed will be on board. Use the white pages of The Stability Data Reference Book to determine the minimum GM required to meet a one compartment standard. ST-0023
N a. 2.62 feet N b. 2.82 feet N c. 2.97 feet Y d. 3.15 feet 1051: The fresh air intake of the inert gas system _____,
N a. prevents the flue gas from falling below an oxygen content of 3% Y b. allows the inert gas piping to be used for gas freeing the tanks N c. opens when there is excessive vacuum on the deck water seal N d. enables outside air to mix with and to cool the hot flue gasses 1146: Which vessel is NOT required to carry a rocket-type line throwing appliance?
Y a. An oceangoing vessel of 140 GT N b. A coastwise vessel of 550 GT N c. An river-going vessel of 760 GT N d. All of the above 1292: What is the MOST important consideration when determining how to fight an electrical fire?
N a. Whether the fire is in machinery or passenger spaces Y b. Danger of shock to personnel N c. The amount of toxic fumes created by the extinguisher N d. Maintaining electrical power 1364: Signaling devices required on inflatable liferafts include a(n) __________.
N a. Very pistol Y b. orange smoke signal N c. air horn N d. lantern 1380: A cargo of 100 tons is to be loaded on deck 20 feet from the ship's centerline. The ship's displacement including the 100 tons of cargo will be 10,000 tons and the GM two feet. The list of the vessel after loading this cargo will be __________.
N a. 5.4° Y b. 5.7° N c. 5.9° N d. 6.1° 1398: The size of fire hydrant hose connections on a cargo vessel must be either 1-1/2 inches or __________.
N a. 1 inch Y b. 2-1/2 inches N c. 3 inches N d. 3-1/2 inches 1467: Your vessel has a forward draft of 26'-11" and an after draft of 29'-07". How many tons of cargo can be loaded before the vessel reaches a mean draft of 28'-06" if the TPI is 69?
N a. 204 tons Y b. 207 tons N c. 210 tons N d. 213 tons 1491: You are in a lifeboat when you sight the stars shown. You will be heading almost due north when you head for Polaris which is marked by what letter? (D006SA )
Y a. C N b. D N c. E N d. G 1865: The SS AMERICAN MARINER is partially loaded with a GM of 2.6 feet and drafts of: FWD 13'-07", AFT 15'-01". Use the white pages of the Stability Data Reference Book to determine what tanks you should ballast to increase the GM to 3.4 feet.
N a. Tanks: DB1, DB3 N b. Tanks: DB5, DT1A Y c. Tanks: DB6, DB7, DT7 N d. Tanks: DB4, DT8 1923: Except as provided by approved special examinations, each offshore drilling unit must be dry-docked at least once during every __________.
N a. 12 month period N b. 18 month period Y c. 24 month period N d. 36 month period 1966: A sailing vessel with the wind coming from 090° relative would be __________.
N a. close hauled on the starboard tack Y b. reaching on the starboard tack N c. on a broad reach on the starboard tack N d. close hauled on the port tack 1986: Which statement is TRUE?
N a. You need not keep a record of ground garbage dumped into the sea more than 25 miles offshore. Y b. You must keep a record of garbage discharged in port to a shore facility. N c. You need not keep a record of garbage incinerated on the ship. N d. You must keep a record of the approximate weight of the garbage dumped. 2048: Your drafts are: FWD 6'-02", AFT 6'-08". From past experience, you know that the vessel will increase her draft 1 inch for every 6 tons loaded. There is rig water on board and 23 tons of deck cargo. How many more tons of cargo can be loaded and still maintain the same trim? (D037DG )
Y a. 6 tons N b. 12 tons N c. 18 tons N d. 24 tons 2310: A fire pump may be used for other purposes if __________.
N a. the other services are run off a reducing station with a pressure gage Y b. one of the required pumps is kept available for use on the fire main system at all times N c. no relief valves are installed N d. all of the above conditions are met 2374: You are offloading garbage to another ship. Your records must identify that ship by name and show her __________.
N a. home port N b. next port-of-call N c. Master Y d. official number 2555: When hoisting personnel from a vessel, with the MODU cranes, the crane operator must assure that __________.
N a. the personnel carrier remains directly over the vessel N b. all personnel are inside the net type carrier Y c. the personnel carrier remains directly over water N d. he does not swing the load until it is above the landing area 2832: Which fuel cannot be used for cooking on vessels carrying passengers for hire? (small passenger vessel regulations)
N a. Kerosene N b. Coal N c. Wood Y d. Gasoline 2897: If the result of loading a vessel is an increase in the height of the center of gravity, there will always be an increase in the __________.
N a. metacentric height N b. righting arm N c. righting moment Y d. vertical moments 3093: You are preparing to load fuel oil on a vessel of 150 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 5 gallons N d. are opened and the flame screen replaced 3176: The tops of vents from gasoline tanks should terminate __________.
Y a. in open air N b. inside cabins N c. in machinery space N d. underwater 3199: You are towing a 1,000 GT gasoline tank barge which is not gas free. By regulation, cargo tank hatches, ullage holes, and Butterworth plates on the barge may __________.
N a. not be open without flame screens under any circumstances N b. be open without flame screens in good weather from 16 May to 15 September N c. be open without flame screens when the barge is empty Y d. be open without flame screens under the supervision of the senior crew member on duty 3256: Gasoline vapor tends to collect __________.
N a. above the floor plates of the bilges N b. above the carburetor level Y c. at the lowest point of the bilge areas N d. at no particular level 3569: If help has not arrived in 10-12 hours after abandoning a vessel in a rescue boat, you should __________.
N a. go in one direction until the fuel runs out N b. steer a course for the nearest land N c. steer a course for the nearest sea lane Y d. shut down the engines if installed and put out the sea anchor 3693: While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers an unexpected but slowly increasing starboard and forward inclination. The wind and waves are light. This inclination could have been caused by __________.
N a. the failure of mooring lines 7 and 8 N b. the drilling crew dumping the mud N c. the drill string breaking Y d. ballast tanks equalizing into tank 1S 3709: When starting CPR on a drowning victim, you should __________.
N a. start chest compressions before the victim is removed from the water N b. drain water from the lungs before ventilating Y c. begin mouth-to-mouth ventilations as soon as possible N d. do not tilt the head back since it may cause vomiting 3754: First aid means __________.
N a. medical treatment of accident N b. setting of broken bones Y c. emergency treatment at the scene of the injury N d. dosage of medications 3783: What is the weight of bulk in P-tank #1 of the DEEP DRILLER if the ullage is 2.3 feet?
N a. 34.3 long tons Y b. 58.0 long tons N c. 83.6 long tons N d. 121.9 long tons 3901: Among the valves on the DEEP DRILLER to open when using the Salt-Water Service Pump to pump water into tank 10S is __________.
N a. 48 Y b. 47 N c. 37 N d. 23 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 4125: The DEEP DRILLER is observed to be level at a draft of 60.0 feet. At the same time, the calculated load form shows the displacement to be 17,845 long tons, total longitudinal moment 51,466 foot-kips, and total transverse moments -10,000 foot-kips. What is the transverse location of the missing load?
N a. 36.67 feet N b. 0.56 foot N c. -0.55 foot Y d. -36.67 feet 4201: While in 150 feet water depth when the pitch angle of the COASTAL DRILLER is 1 degree, the platform pitch period for going on location should be longer than __________.
N a. 0.2 second N b. 3.2 seconds Y c. 7.0 seconds N d. 9.2 seconds 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 4361: On the COASTAL DRILLER, hook load includes the weight of the __________.
N a. setback load N b. rotary load N c. conductor tension Y d. drill string 4594: As shown, a frapping line is indicated by number __________. (D016SA )
N a. 1 Y b. 2 N c. 3 N d. 4 4677: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 drill water tanks are discharged, what is the new height of the center of gravity corrected for transverse free surface effects?
N a. 47.49 feet N b. 49.16 feet Y c. 50.82 feet N d. 50.93 feet 4713: When the COASTAL DRILLER is loaded as shown in the sample load form #3 (drilling), the hook load is placed in the pipe racks. What would be the new variable load?
N a. 2,381.0 kips N b. 3,381.0 kips Y c. 3,658.8 kips N d. 4,381.0 kips 5467: What is an advantage of the 6x19 class of wire rope over the 6x37 class of wire rope of the same diameter?
N a. Greater holding power N b. Better fatigue life N c. Resistance to elongation Y d. Resistance to corrosion 5901: With a rig in tow, there is immediate danger to the tug in the event of the __________.
Y a. tug losing power N b. tow line parting N c. bridle twisting N d. rig broaching 5947: Each fire hose coupling on a MODU must have threads that meet the specifications of the __________.
N a. American Petroleum Institute Y b. National Standard Fire hose Coupling N c. American Society of Mechanical Engineers N d. Underwriter's Laboratories, Inc. 6273: During a storm, the chance of fatigue failure of a mooring line will increase as __________.
Y a. vessel motions increase N b. mooring tensions decrease N c. KG increases N d. KG decreases 6273: During a storm, the chance of fatigue failure of a mooring line will increase as __________.
Y a. vessel motions increase N b. mooring tensions decrease N c. KG increases N d. KG decreases 6681: On a MODU, a door that is required to be marked "KEEP CLOSED" is designed to __________.
N a. prevent the passage of flammable gases N b. prevent the passage of poisonous vapors N c. delay the spread of heat and flames Y d. maintain watertight integrity 6724: In a water tube marine boiler, what protects the superheater tubes from the fires of combustion?
N a. Water-wall tubes N b. Downcomers Y c. Screen tubes N d. Water drums 7033: A person with diabetes has received a minor leg injured. The symptoms of the onset of a diabetic coma may include __________.
N a. reduced appetite and thirst N b. sneezing and coughing N c. only a low grade fever Y d. slurred speech and loss of coordination 7037: Epilepsy is a chronic nervous disorder characterized by __________.
N a. severe nausea and cramps Y b. muscular convulsions with partial or complete loss of consciousness N c. sudden thirst and craving for candy N d. severe agitation and desire to get out of closed spaces 8131: The COASTAL DRILLER is loaded as shown in Sample Load Form #3 (Drilling). What would be the new sum of longitudinal moments for the liquid variables if the entire contents of drill water tank #17 are transferred to drill water tank #18?
N a. 181,648 ft-kips Y b. 181,718 ft-kips N c. 187,345 ft-kips N d. 195,462 ft-kips 8751: When threatened with a severe storm while operating in 250 feet of water, the COASTAL DRILLER should be placed at an air gap of __________.
N a. 35 feet N b. 32 feet N c. 30 feet Y d. 25 feet 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 8983: The time required to incline from port to starboard and back to port again is called __________.
N a. initial stability N b. range of stability N c. inclining moment Y d. rolling period 9533: Unstable equilibrium exists at small angles of inclination when __________.
Y a. G is above M N b. G is off the centerline N c. B is off the centerline N d. B is above G