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.
61: Deckhands onboard towing vessels shall be divided into 3 watches when on a trip exceeding __________.
Y a. 600 miles N b. 700 miles N c. 800 miles N d. 1000 miles 69: Ullages are measured from __________.
N a. the tank ceiling N b. the tank top bushing N c. the thievage mark Y d. an above deck datum 80: You are on a cargo vessel carrying portable tanks of dangerous cargoes in bulk. Which statement is TRUE?
N a. If the tanks are pumped out while remaining on board, each hose connection must have a minimum of three bolts. N b. If the tanks are off loaded, no more than two tanks may be lifted together in a hoist. N c. When transferring sulfuric acid, you must display a red flag by day whether at anchor or moored. Y d. All electrical equipment within 10 feet horizontally must be explosion proof or intrinsically safe. 99: What is meant by "thieving" a petroleum cargo?
N a. Siphoning off a few barrels of petroleum for shipboard use Y b. Determining the amount of water (if any) in each cargo tank N c. Adjusting the cargo figures to coincide with the draft N d. Reducing the gross cargo calculations to net amounts 104: You are on watch at sea at night when a fire breaks out in #3 hold just forward of the bridge. You would NOT __________.
N a. call the Master Y b. proceed to the space and inspect the extent of the fire N c. shut down the cargo hold ventilation N d. sound the fire alarm signal to roust out all hands 108: Damage to cargo caused by dust is known as __________.
Y a. contamination N b. oxidation N c. tainting N d. vaporization 111: You are the licensed Master of a towing vessels operating between New York and Tampa, Florida. If you carry four (4) deckhands onboard, how many must be able seamen?
N a. 1 N b. 2 Y c. 3 N d. 4 329: Litmus paste is used in order to determine __________.
N a. innage Y b. thievage N c. ullage N d. the tank's datum point 459: Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because __________.
Y a. a subsequent temperature rise will cause the cargo to overflow N b. air pockets may cause the cargo to bubble out of the ullage hole N c. the increased viscosity of the product requires higher loading pressure which increases the chances of a spill N d. the tank valve may be stiff and a spill will occur before the valve can be closed 533: A towing hook may be released from the __________.
N a. tug's engineroom or the bow Y b. pilot house or aft steering station N c. forecastle N d. towing bitts by reaching over and releasing a lever 669: Which statement describes the motion of a yawing tow?
N a. The tow twists, sometimes violently, astern of the tug N b. The tow sheers to one side behind the tug and maintains a position in a line diagonal to the tug's forward movement N c. The tow snakes behind the tug Y d. All of the above 672: When towing alongside (breasted tow), more forward movement will be imparted to the tow by __________.
N a. increasing the angle of line pull to the keel axis of the tow Y b. reducing the angle of line pull to the keel axis of the tow N c. positioning the towing vessel on the forward end of the tow N d. shortening the length of the tow line 721: The mooring line labeled "F" is called a __________. (DO44DG )
N a. bow line N b. forward spring line Y c. breast line N d. None of the above 722: A tow can override its tug as a result of __________.
N a. a mechanical breakdown on the tug N b. adverse tidal current conditions N c. the tug reducing its speed Y d. All of the above 855: Which party must ensure that legal work hour limitations (for both officers and crew members), rest periods and regulations governing work on Sundays and holidays are followed when the vessel is in a safe harbor?
N a. The owner of the vessel N b. The company operating the vessel Y c. The Master of the vessel N d. The company chartering the vessel 928: Which of the signals listed is required to be displayed during the day while bunkering?
Y a. A red flag N b. A yellow flag N c. A red and yellow flag N d. A red light 929: All of the following steps are taken in starting a centrifugal pump, EXCEPT to __________.
Y a. set the relief valve N b. check the lubrication system N c. vent the pump casing N d. open the pump suction and discharge valves 937: When towing astern, you notice that another vessel is about to pass between the towing vessel and the tow. You should immediately __________.
N a. turn away from the approaching vessel N b. shine a spotlight in the direction of the approaching vessel N c. sever the towline Y d. slow down and pay out the main tow hawser 1001: Which is supplied to the vessel by the U.S. Coast Guard?
N a. Bell book N b. Cargo gear register Y c. Official Logbook N d. Rough Logbook 1159: Which product is most likely to accumulate static electricity?
N a. Crude oil N b. Hard asphalt Y c. Lubricating oil N d. Residual fuel oil 1411: The time allowed for loading and discharging cargo in a charter party is referred to as __________.
N a. charter hire N b. demurrage N c. dispatch Y d. lay days 1422: A U.S. vessel engaged in foreign trade must be __________.
N a. classed N b. enrolled N c. licensed Y d. registered 1441: Dead freight is the charge for the __________.
N a. carriage of demise cargo N b. cost of transshipment of over-carried cargo N c. difference in the amount of cargo loaded and the amount of cargo discharged Y d. difference in the amount of cargo loaded and the amount of cargo booked, through no fault of the vessel 1512: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message warning of a hurricane. Which precedence would you assign this message?
N a. R (ROUTINE) N b. Z (FLASH) Y c. O (IMMEDIATE) N d. P (PRIORITY) 1524: A mooring line is described as being 6x24, 1-3/4 inch wire rope. What do the above numbers refer to?
N a. Strands, yarns, circumference Y b. Strands, wires, diameter N c. Wires, yarns, diameter N d. Strands, circumference, wires 1622: What is NOT an indication that pack ice may be nearby?
Y a. The presence of icebergs N b. Ice blink N c. Absence of wave motion N d. Sighting a walrus in the Arctic 1634: A monkey fist is found on a __________.
Y a. heaving line N b. lead line N c. manrope N d. mooring line 1696: Mooring with two bow anchors has which major advantage over anchoring with one bow anchor?
N a. The vessel will not reverse direction in a tidal current. Y b. The radius of the vessel's swing will be shortened. N c. A mooring approach may be made from any direction. N d. The vessel will not swing with a change in wind. 1703: What is the stress on the hauling part when lifting a 4,200 lbs. weight using a threefold purchase rove to advantage? (Allow 10 percent of the weight per sheave for friction.)
N a. 571.4 N b. 715.2 Y c. 960 N d. 1066.7 1836: While towing, what is the principal danger in attempting to swing a barge on a hawser in order to slow the barge's speed?
N a. The barge may swing too quickly and run over the tug. Y b. The barge may pass under the hawser and capsize the tug. N c. Free surface affect of liquid inside the barge may rupture the barge bulkheads when turning too quickly. N d. Dangerous wakes may result from the swinging barge and capsize the tug. 1913: An example of a messenger is a __________.
N a. fairlead Y b. heaving line N c. stay N d. warp 1982: You are using tackle number 8 to lift a weight of 100 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? (DO29DG )
N a. 120 lbs. N b. 55 lbs. Y c. 40 lbs. N d. 37 lbs. 1985: You are on a 165 foot (50.3 meters) long vessel with a draft of 9 feet (2.7 meters) and twin screws. Which statement about rescuing a survivor in the water with ship pickup is TRUE?
N a. You should stop to windward of the man and drift down on him. N b. You should stop with the man on your weather beam and twist the ship up to him. Y c. A pickup off the weather bow gives maximum maneuverability with the least possibility of injury to the man. N d. Ship pick up should never be used with a shallow draft vessel. 1990: Upon receipt of a distress message, a merchant vessel is bound to proceed to the scene of the distress. Under which of the following cases would this NOT be true?
N a. The vessel would arrive at the distress scene more than 36 hours after the receipt of the initial distress message. N b. There are vessels closer to the distress scene that are proceeding to assist. Y c. The Master of the vessel in distress has requisitioned another vessel, and that vessel has accepted the requisition. N d. You are on a tank vessel and the distress involves a major fire on board the other vessel. 2075: The knot lettered E is a __________. (DO30DG )
N a. stopper hitch N b. blackwall hitch Y c. timber and half hitch N d. bowline on a bight 2080: A Contract of Affreightment covering the movement of a particular cargo from one designated port to another at a specified rate for each ton of goods loaded is called a __________.
N a. bareboat charter party N b. demise charter party N c. time charter party Y d. voyage charter party 2141: You are Master of a vessel that is sold in a foreign country after discharge of cargo. What is your responsibility to the crew in regards to return to the United States?
N a. You must provide air transportation to the nearest port of entry in the United States. Y b. You must provide passage to the port of original engagement. N c. There is no requirement for return to the United States provided the voyage has exceeded 4 weeks duration. N d. The crew can be employed on another United States vessel, but only if it is returning to the port of original engagement. 2149: When anchoring in a clay bottom, what is one hazard that may cause the anchor to drag?
N a. The flukes may dig in unevenly and capsize the anchor when under stress. N b. The flukes may not dig in. Y c. The anchor may get shod with clay and not develop full holding power. N d. The anchor will tend to dig in and come to rest near the vertical. 2153: The shipping papers for the products being carried in your tankship are NOT required to contain the __________.
Y a. exact quantity of the cargoes N b. grades of the cargoes N c. location of the delivery point(s) N d. name of the consignee(s) 2489: A post on a dock or wharf used to secure mooring lines or hawsers is called a __________.
N a. bitt Y b. bollard N c. cleat N d. capstan 2499: Single hull vessels operating exclusively on the Great Lakes 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 2598: Where, due to the arrangement of the vessel, lifejackets may become inaccessible, additional lifejackets shall be carried __________.
N a. for the people on bridge watch N b. for the forward lifeboats Y c. as determined by the OCMI N d. for 50% of the crew of the vessel, not including those assigned to engineering duties 2608: Most very large ocean going vessels, such as bulk carriers and large tankers, tend to squat __________.
Y a. by the bow N b. by the stern N c. at the end nearest the bottom N d. evenly fore and aft 2759: Which of the Great Lakes is most affected by short-term Lake level fluctuations?
N a. Lake Superior N b. Lake Michigan N c. Lake Huron Y d. Lake Erie 2826: An icebreaker may use the code letter "K" to remind ships of their obligation to listen continuously on their radio. This signal may be made by any of the following EXCEPT __________.
N a. sound signal N b. light signal N c. visual signal Y d. radiotelephone 2909: A mechanical davit is designed to automatically __________.
N a. position the boat at the embarkation station Y b. lift the boat off the inboard chocks N c. energize the winch for the falls N d. set the brake on the winch 3042: A Great Lakes vessel bound for Anticosti Island is exempt from the IMO Grain Regulations if the vessel meets all of the following standards EXCEPT __________.
N a. the metacentric height corrected for free surface must meet regulatory minimums throughout the voyage Y b. slack surfaces should be in a mound N c. the longitudinal strength of the vessel must not be imperiled N d. the Master must ascertain the expected weather conditions enroute 3080: Which method should be used to warm up the pump turbines prior to discharge?
N a. Lock the turbine rotor and slowly bleed in steam until operating temperature is reached N b. Run the pump at high speed with the discharge valves closed N c. Run the turbine at slow speed with the pump disconnected Y d. Shut the discharge valve and run the pump at slow speed 3176: The part of the anchor indicated by the letter G is the __________. (D038DG )
N a. fluke N b. shank Y c. tripping palm N d. crown 3200: A license issued by the U.S. Coast Guard for apprentice mate (steersman) of Uninspected Towing Vessels is valid for __________.
N a. 2 years and must be renewed N b. 3 years and must be renewed Y c. 5 years and must be renewed N d. None of the above 3250: You are operator of a towing vessel which collides with a buoy and drags it off station. What should you do if the damage to your vessel is not serious?
N a. If the buoy is afloat, no action is necessary. N b. Wait one week and submit form GG-2692 to the nearest Coast Guard Marine Safety or Inspection Office. Y c. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and no further action is necessary. N d. Immediately notify the nearest Coast Guard Marine Safety or Inspection Office and then submit form CG-2692. 3541: You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is TRUE?
N a. Carbon disulfide may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS. 1 and 2 wing tanks. N b. Pyridine and diisopropylamine may be carried in tanks having a common header vent. N c. Carbon disulfide must be separated from pyridine by two barriers (cofferdams, voids, empty tanks, etc.). Y d. A tank of pyridine may be used to separate a tank of carbon disulfide from a tank of diisopropylamine. 3588: Conventional anchors are least likely to hold in a bottom consisting of __________.
N a. soft clay N b. hard mud N c. sand Y d. rock 3604: The Jews' harp is indicated by which letter? (D038DG )
Y a. K N b. J N c. H N d. F 3710: A new crewman reports on board. He must be trained in the use of the ship's lifesaving appliances within what time period?
N a. 2 months N b. 1 month Y c. 2 weeks N d. Before sailing 4038: Which cargo would require a dangerous cargo manifest?
Y a. Cotton N b. Wheat N c. Sugar N d. Lumber 4096: Yawing is angular motion of the vessel about what axis?
N a. Longitudinal N b. Transverse Y c. Vertical N d. Centerline 4154: What should you be concerned with when loading and securing vehicles aboard a Ro-Ro vessel?
N a. That all fuel is drained from the vehicles' tanks to prevent fire hazard Y b. The size, weight, and center of gravity of vehicle/cargo unit N c. The preferred stowage of vehicles is athwartships wherever possible N d. The vehicles' brakes should not be set to allow for adjusting the lashings 4164: According to the IMO Code, what are the minimum number of securing points that should be on each side of a "road vehicle", whose gross vehicle mass is between 30 tons and 40 tons, when carried on Ro-Ro vessels?
N a. One N b. Two N c. Three Y d. None of the above 4260: Which statement(s) is/are TRUE regarding the operation of a crane?
Y a. The load is handled by the hoisting winch and cargo block. N b. The crane jib is raised and lowered by the hoisting winch. N c. The cargo block is raised and lowered by the luffing winch. N d. All the above