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.
15: Floors aboard ship are __________.
Y a. frames to which the tank top and bottom shell are fastened on a double bottomed ship N b. transverse members of the ships frame which support the decks N c. longitudinal beams in the extreme bottom of a ship from which the ship's ribs start N d. longitudinal angle bars fastened to a surface for strength 84: The ceiling is __________.
N a. the overhead in berthing compartments Y b. a wooden protection placed over the tank top N c. material driven into seams or cracks to prevent leaking N d. None of the above are correct 98: A hygroscopic cargo is defined as a cargo __________.
Y a. capable of absorbing moisture in the form of a gas N b. capable of giving off moisture in the form of a liquid N c. that is shipped in a liquid state N d. that will ignite in contact with water 233: A vessel brought alongside should be fended off the towing vessel by __________.
N a. crew members using their arms N b. a boat hook Y c. fenders N d. No fending is necessary due to the rugged construction of most towing vessels. 364: A long ton is __________.
N a. 1,000 pounds N b. 2,000 pounds Y c. 2,240 pounds N d. 2,400 pounds 380: The (auto)ignition temperature is that temperature at which_______.
Y a. no spark or flame is required to ignite gas or vapor N b. a fuel begins to give off explosive vapors N c. a fuel if ignited will continue to burn N d. a 1% mixture of the fuel with air will explode 390: A package contains nitric acid solution and is radioactive. The radiation level at the package surface is .36 millirems per hour. How should this package be labeled?
N a. Radioactive II and oxidizer N b. Radioactive II and poison Y c. Radioactive I and corrosive N d. Fissile class I 407: You are carrying cargoes of crotonaldehyde, phosphoric acid, and morpholine on your multiple-product tankship. Which of the following statements is TRUE?
Y a. Each of the cargoes must be segregated from the other by at least two barriers. N b. The minimum protective clothing required for taking samples of phosphoric acid is goggles or a face shield. N c. Aluminum, copper, and zinc are prohibited in all valve parts in contact with these cargoes. N d. The required warning sign must have the legend "cancer hazard" added to it. 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 502: 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. Z (FLASH) Y b. O (IMMEDIATE) N c. R (ROUTINE) N d. P (PRIORITY) 568: Which statement concerning the carriage of containers is TRUE?
N a. The Chief Mate and Master of a container ship should have the proposed stowage plan ready for the stevedore upon arrival in port. N b. When stowed on deck of a break bulk ship, the bottom of the container must be evenly supported throughout. Y c. With tiered containers, a 40-foot container may be stowed on top of two 20-foot containers. N d. Deck load calculations must take into account the square footage of the entire container bottom. 607: A lashing used to secure two barges side by side, lashed in an "X" fashion, is called a __________.
Y a. scissor wire N b. towing wire N c. breast wire N d. cross wire 745: When carrying a cargo of asphalt or molten sulfur, which are carried at temperatures of over 300°F, one of the biggest dangers is __________.
Y a. water in the tanks or pipelines N b. having the cargo too cool N c. explosion of vapors after discharge N d. inadequate ullage space 849: The valve on the discharge side of a cargo pump on a tank vessel will usually be a __________.
N a. gate valve N b. butterfly valve N c. globe valve Y d. check valve 865: A nylon line is rated at 15,000 lbs. breaking strain. Using a safety factor of 5, what is the safe working load (SWL)?
Y a. 3,000 lbs N b. 5,000 lbs N c. 15,000 lbs N d. 65,000 lbs 906: A snag or other underwater obstruction may form a __________.
Y a. V-shaped ripple with the point of the V pointing upstream N b. V-shaped ripple with the point of the V pointing downstream N c. small patch of smooth water on a windy day N d. smoothing out of the vessel's wake 1112: What is an advantage of the 6X37 class of wire rope over the 6X19 class of wire rope of the same diameter?
Y a. Greater flexibility N b. More resistance to corrosion N c. More resistance to elongation N d. Lower weight per foot 1122: Freeing ports on a vessel with solid bulwarks __________.
N a. prevent stress concentration in the bulwark N b. permit easy jettison of deck cargo in an emergency N c. provide openings through the bulwarks for mooring lines Y d. allow water shipped on deck to flow off rapidly 1139: The pivoting point of a vessel going ahead is __________.
N a. near the stern N b. at the hawsepipe Y c. about one-third of the vessel's length from the bow N d. about two-thirds of the vessel's length from the bow 1185: As shown, the mooring line labeled "C" is called a __________. (DO44DG )
N a. stern line N b. spring line Y c. breast line N d. shore line 1224: Which is NOT a recommended practice when handling nylon line?
N a. Nylon lines which become slippery because of oil or grease should be scrubbed down. Y b. Manila line stoppers should be used for holding nylon hawsers. N c. When easing out nylon line, keep an extra turn on the bitt to prevent slipping. N d. Iced-over nylon lines should be thawed and drained before stowing. 1257: You are a watchstanding mate and have come to the bridge to relieve the watch. After reviewing the chart and having been briefed by the off-going mate, you are now ready to effect the relief. Which of the following is exemplary of the statement that would officially transfer the watch?
N a. You say to the mate going off watch, "Destination New York, course 283°, speed 16 knots." N b. The mate being relieved says, "You now have the watch, course 147°, speed 15 knots." N c. The mate being relieved says, "All in apparent good order, course 068° per gyro, 075° per standard." Y d. You say to the mate going off watch, "I relieve you, course 321° per gyro, 316° per standard." 1511: A vessel has been damaged by fire. The survey shows the cost of repairs will exceed the value of the repaired vessel. This is an example of a(n) __________.
Y a. constructive total loss N b. salvage loss N c. actual loss N d. preferred loss 1577: You are the Chief Mate of a 30,000-DWT tankship. The vessel is engaged in trade with another country signatory to MARPOL 73/78. Which statement is TRUE?
N a. The Certificate of Inspection serves as prima facie evidence of complying with MARPOL 73/78. Y b. The IOPP Certificate for an inspected vessel is valid for 5 years. N c. An IOPP Certificate is invalidated if the ship carries cargoes outside the classes authorized thereon. N d. An IOPP Certificate is renewed at each inspection for certification. 1603: Which weakens a line the LEAST?
N a. Clove hitch N b. Long splice Y c. Short splice N d. Square knot 1616: In moderate wind and current what should be the length of chain with a single anchor?
Y a. 5 times the depth of the water in good holding ground N b. 10 times the depth of the water in shallow water N c. 2 times the depth of the water in poor holding ground N d. 8 times the depth of the water in deep water 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 1663: A bench hook is used for __________.
N a. handling of cargo cases N b. hanging oilskins Y c. sewing canvas N d. splicing small stuff 1666: While anchoring your vessel, the best time to let go the anchor is when the vessel is __________.
N a. dead in the water Y b. moving slowly astern over the ground N c. moving fast ahead over the ground N d. moving fast astern over the ground 1689: The mooring line shown as "C" is called a __________. (DO44DG )
N a. stern line N b. spring line N c. shore line Y d. breast line 1713: The cheek length of a block in inches should be about __________.
Y a. three times the circumference of a manila line N b. five times the diameter of a manila line N c. twice the diameter of its sheaves for manila line N d. twenty times the diameter of a manila line 1730: A disk with a horizontal line through its center, equivalent to the summer load line, is called the __________.
N a. deadrise mark N b. maximum allowable draft mark Y c. Plimsoll mark N d. tonnage mark 1780: The term that indicates how many tons of cargo a vessel can carry is __________.
N a. bale cubic Y b. deadweight N c. gross tonnage N d. loaded displacement 1807: When evacuating a seaman by helicopter lift, which statement is TRUE?
N a. Evacuation should be from an area forward of the bridge. N b. The vessel should be slowed to bare steerageway. N c. If the hoist is at the stern, booms extending aft at the stern should be cradled with the topping lifts hove taut. Y d. The litter should not be touched until it has been grounded. 1991: Using the graph shown, if the dry bulb temperature is 91°, and the wet bulb temperature is 87°, what is the relative humidity in a cargo hold? (D008DG )
N a. 79% Y b. 85% N c. 91% N d. 98% 2179: A design modification of an anchor chain which prevents kinking is the __________.
N a. detachable link Y b. stud link N c. Kenter link N d. connecting link 2179: A design modification of an anchor chain which prevents kinking is the __________.
N a. detachable link Y b. stud link N c. Kenter link N d. connecting link 2185: You are using tackle number 7 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. 200 lbs. N b. 150 lbs. N c. 110 lbs. Y d. 55 lbs. 2220: The load chart of a crane enables the operator to combine the load radius with boom length to determine the __________.
N a. maximum counter weight required N b. minimum horsepower required N c. hoist rope strength Y d. allowable load 2222: The lower seam of the strake indicated by the letter B is sometimes riveted. This is done to __________. (D033DG )
N a. increase the strength in a highly stressed area N b. provide the flexibility inherent in a riveted seam Y c. serve as a crack arrestor and prevent hull girder failure N d. reduce construction costs 2222: The lower seam of the strake indicated by the letter B is sometimes riveted. This is done to __________. (D033DG )
N a. increase the strength in a highly stressed area N b. provide the flexibility inherent in a riveted seam Y c. serve as a crack arrestor and prevent hull girder failure N d. reduce construction costs 2276: You have determined the maneuvering characteristics of your vessel by taking radar ranges and bearings of an isolated light while making a turn. The results are as shown. Based on this data what is the advance for a turn of 60°? (D035DG )
Y a. 665 yards N b. 710 yards N c. 745 yards N d. 780 yards 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 2710: 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. Y c. Diisopropylamine must be separated from carbon disulfide by two barriers (cofferdams, voids, empty tanks, etc.) N d. A tank of carbon disulfide may be used to separate a tank of pyridine from a tank of diisopropylamine. 2752: Which is a correct reply to a Pilot's request, "How's your head"?
Y a. "Passing 040°" N b. "Steady" N c. "Checked" N d. "Eased to 15° rudder" 2774: There are basically three categories of water level fluctuations on the Great Lakes. What is NOT included as one of these?
N a. Long range fluctuations Y b. Controlled outflow fluctuations N c. Seasonal fluctuations N d. Short period fluctuations 2852: On a small passenger vessel the collision bulkhead is __________.
N a. amidships forward of the engine room N b. just forward of the steering compartment N c. in the engine room Y d. A distance of 5% to 15% of the waterline length abaft the stem measured at the load waterline 3067: A lashing used to secure two barges side by side, lashed in an "X" fashion, is called a __________.
N a. face wire N b. cross wire Y c. scissor wire N d. breast wire 3086: Which statement concerning the navigation of a vessel in ice is FALSE?
N a. Anchoring in the presence of ice is not recommended except in an emergency. N b. Towing a vessel through an ice field is not recommended except in an emergency. N c. The "Free and Proceed" system of escorting a beset vessel cuts down on the number of freeing operations. Y d. When anchoring in ice, it is advisable to increase the scope of the chain over what is normally used for non-icing conditions. 3089: How does an icebreaker normally free a ship which has become beset while navigating independently?
N a. By backing down the track and cutting out ice on either bow Y b. By approaching from the stern and crossing ahead at an angle of 20° to 30° to the beset ship's course N c. By overtaking the beset ship, running ahead and then backing down the track to the beset vessel N d. By approaching the vessel from astern and towing the beset vessel stern first 3120: You are operating a 150 GT towing vessel. What is NOT required on the vessel?
N a. Certificate of Documentation N b. FCC station license N c. Your Coast Guard license Y d. Certificate of Inspection 3167: Which statement concerning a 298 GRT inspected tug engaged in towing from Seattle, WA, to Alaska is TRUE?
N a. No able seamen are required. Y b. Each crew member must be issued a certificate of discharge at the time of discharge. N c. A licensed Master of Towing Vessels may serve as Master. N d. Crew must be signed on before a Shipping Commissioner. 3321: By law, the maximum penalty for failing (without reasonable cause) to give aid in the case of collision is __________.
N a. one year imprisonment or $500 N b. two years imprisonment or $500 Y c. two years imprisonment or $1000 N d. two years imprisonment or $2000 3488: Angular motion about the vertical axis of a vessel is called __________.
Y a. yaw N b. surge N c. sway N d. roll 4127: Which lashing device(s) would be used in securing heavy vehicles aboard Ro-Ro vessels?
N a. Buckle or ratchet tensioner N b. Webbing Y c. Chain N d. All of the above 4141: What is/are the advantage(s) of using web lashing on light vehicles aboard Ro-Ro vessels?
N a. Good working life N b. Light and easy to handle N c. Flexible Y d. All of the above 4183: Which of the following lashing gear used aboard Ro-Ro vessels should be maintained when not in use?
N a. Chain N b. Wire rope N c. Webbing Y d. All of the above 4265: Which statement(s) is/are FALSE concerning crane cargo operations?
N a. Lifting points on all equipment must be safely checked prior to commencing a lift. Y b. Cargo loaded into vehicles and/or containers prior to lifting need not be secured. N c. Never exceed crane manufacturer’s limits concerning the safe working loads of cargo jibs. N d. All the above 4279: Which statement is TRUE concerning a tagline as used with a 30-ton pedestal crane?
N a. Taglines are wire rope purchases that raise and lower the jib. Y b. Taglines are wire ropes payed-out or taken-in for horizontal positioning of the rider block. N c. Taglines can be can be fastened to the corners of the jib when lifting containers. N d. The taglines are wire rope purchease that raise and lower the topping lift. 4379: When relieving the helm, the new helmsman should know the __________.
N a. maximum rudder angle previously used N b. gyro error N c. variation Y d. course per magnetic steering compass