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.
4: Considering manning requirements for US flag vessels, your 2 watch cargo vessel has a deck crew of 20 people, exclusive of officers. How many of these people do the manning regulations require to be able seamen?
N a. 13 Y b. 10 N c. 7 N d. 5 42: The vapor pressure of a substance __________.
N a. decreases as temperature increases Y b. increases with the temperature N c. is not affected by temperature N d. may increase or decrease as the temperature rises 48: Which term describes goods having a stowage factor below 40?
Y a. "Deadweight" cargo N b. "Full-and-down" cargo N c. "Heavy-lift" cargo N d. "Measurement" cargo 64: Which statement about damage control is TRUE?
Y a. A hole in the hull at the waterline is more dangerous than a hole below the inner bottom. N b. The amount of water entering a ship through a hole varies inversely to the area of the hole. N c. Water flowing into a lower compartment on a ship is more dangerous than water on deck or flowing into an upper compartment. N d. Water flowing over the fo'c'sle bulwark is more dangerous than a hole in the hull at the waterline. 86: The turning circle of a vessel making a turn of over 360 degrees is the path followed by the __________.
N a. bow N b. bridge N c. centerline Y d. center of gravity 159: What is the standard net barrel for petroleum products?
Y a. 42 gallons at 60°Fahrenheit N b. 48 gallons at 70°Fahrenheit N c. 50 gallons at 50°Celsius N d. 60 gallons at 100°Saybolt 227: An ocean towing bridle should __________.
Y a. have equal legs of sufficient length N b. have a large angle between the legs N c. be formed on a bight of cable through a ring N d. never be made up of chain 266: The distance that a ship moves forward with each revolution of its propeller, if there is no slip, is called __________.
N a. advance N b. head reach Y c. pitch N d. transfer 406: A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?
N a. If one screw is stopped, the ship will turn toward the side of the stopped screw. N b. The principal force which turns the ship is set up by the wake against the forward side of the rudder. Y c. Turning response by use of the rudder only is greater than on a single-screw vessel. N d. With the rudder amidships, the ship will steer a fairly steady course. 423: When securing a synthetic line to a bitt what is the minimum number of round turns you should take before figure-eighting the line?
N a. None N b. 1 Y c. 2 N d. 3 460: When stowing hazardous materials on deck, lashing of such cargo is permitted if __________.
N a. a wooden bin is constructed of at least 2-inch dunnage and bolted together N b. the cargo is lashed to the adjacent guard rails Y c. the lashings are secured to deck pad eyes N d. there is at least 3 inches of dunnage on deck 464: The static bollard pull of a tug is measured in tons and consists of the brake horsepower of the tug's engine divided by 100 and multiplied by a factor of __________.
N a. 0.5 Y b. 1.3 N c. 3 N d. 10 488: Which data can NOT be found on a moisture equilibrium chart?
N a. Dry bulb temperature N b. Moisture content N c. Vapor pressure Y d. Wet bulb temperature 515: When compared to a fiber towing hawser, what is NOT an advantage of a wire towing hawser?
N a. Wire is easy to handle when properly spooled on the drum of a towing winch. Y b. Wire has more spring and shock resistance than fiber. N c. Wire can be used to tow heavier loads because of its smaller diameter and more manageable size. N d. Wire is subject to less deterioration if properly maintained. 615: When a wedge of water builds up between the head of the barge and the bank it is referred to as __________.
Y a. bank cushion N b. bank suction N c. bow wave N d. veering cushion 678: Prior to being able to sail, each vessel that carries grain in bulk must have a certificate of loading issued by the __________.
N a. American Bureau of Shipping N b. Lloyds of London Y c. National Cargo Bureau N d. U.S. Salvage 688: Who would normally certify that all preparations have been made and all regulations observed prior to loading a cargo of bulk grain?
N a. American Bureau of Shipping N b. U.S. Coast Guard Y c. National Cargo Bureau N d. Master of the vessel 739: Camphor oil is classified as a grade __________.
N a. A N b. C Y c. D N d. E 742: Lighter longitudinal stiffening frames on the vessel's side plating are called __________.
Y a. stringers N b. side frames N c. side stiffeners N d. intercostals 785: With rudders amidships and negligible wind, a twin-screw vessel moving ahead on the port screw and backing on the starboard screw will __________.
N a. move in a straight line Y b. pivot to starboard N c. pivot to port N d. walk sideways to starboard 836: River currents tend to __________.
N a. pick up speed where the channel widens N b. run slower in the center of the channel N c. hug the inside of a bend Y d. cause the greatest depth of water to be along the outside of a bend 1098: During the course of a voyage, a seaman falls on the main deck and injures his ankle. The Master should submit a Report of Marine Accident, Injury or Death if the __________.
Y a. injured is unfit for duty N b. injured is able to return to work N c. injury results in loss of life only N d. injury is the result of misconduct 1145: You are on watch at night in clear visibility and the vessel has just been anchored. The first thing that you should do after the anchor has been let go is to __________.
N a. stop the engines Y b. take bearings to obtain ship's position N c. turn off the running lights and turn on the anchor lights N d. lower the accommodation ladder and illuminate it 1231: What is NOT a condition for a salvage claim?
N a. The property saved must be "maritime property." Y b. The salvors must save or attempt to save any life in peril. N c. The salvage service must be voluntary. N d. The property must be in peril. 1232: You have the "conn" at the time the helmsman who is steering by hand reports that the rudder is not responding to the wheel. Your FIRST action should be to __________.
N a. check that the wheel is firmly connected to the shaft N b. signal the engineroom to "Standby the Engines" N c. set the "Mode" switch to "Auto" and steer by auto-pilot Y d. switch to the other steering pump 1302: Reinforcing frames attached to a bulkhead on a vessel are called __________.
N a. side longitudinals N b. intercostals Y c. stiffeners N d. brackets 1370: The strength of a deck will be increased by adding __________.
N a. camber Y b. deck beam brackets N c. hatch beams N d. sheer 1389: A band or collar on the top end of a boom to which the topping lift, midships guy, and outboard guys are secured, is called the __________.
N a. collar band N b. guy band N c. pad eye collar Y d. spider band 1404: Galvanizing would not be suitable for protecting wire rope which is used for __________.
Y a. cargo runners N b. mooring wires N c. shrouds N d. stays 1460: Weight concentration in which area will cause a vessel's bottom to be subjected to tension stresses?
N a. Aft Y b. Amidships N c. At both ends N d. Forward 1474: To find the distance the strands should be unlaid for an eye splice, multiply the diameter of the wire in inches by __________.
N a. 12 N b. 24 Y c. 36 N d. 48 1495: A common class of wire rope is the 6X37 class. What does the 37 represent?
N a. Number of wires in the inner core N b. Number of strands per wire rope N c. Tensile strength of the wire Y d. Number of wires per strand 1598: On a vessel with a single propeller, transverse force has the most effect on the vessel when the engine is put __________.
N a. full ahead Y b. full astern N c. half ahead N d. slow astern 1659: The safe working load for the assembled cargo gear and the minimum angle to the horizontal for which the gear is designed shall be marked on the __________.
N a. deck N b. head of the boom Y c. heel of the boom N d. mast or king post 1695: What is the perimeter of a circle with a radius of 3.7 feet?
N a. 11.62 ft N b. 17.49 ft Y c. 23.25 ft N d. 25.72 ft 1746: Which would you NOT use to report the amount of anchor chain out? "Three shots __________."
N a. at the water's edge N b. on deck Y c. on the bottom N d. well in the water 1774: Which knot is used to attach two different sized lines together?
N a. Granny knot Y b. Sheet bend N c. Square knot N d. Thief knot 1913: An example of a messenger is a __________.
N a. fairlead Y b. heaving line N c. stay N d. warp 2001: You are using tackle number 9 in illustration DO29DG to lift a weight of 120 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. 52 lbs. Y b. 39 lbs. N c. 30 lbs. N d. 27 lbs. 2068: You intend to tow a barge with one tug and expect continuous high winds from the north. To reduce the yaw of your tow, you should __________.
N a. reduce the draft of the barge Y b. shorten one leg of the bridle N c. place bulky deck loads as far aft as possible N d. trim the barge down by the bow 2143: Your vessel was damaged and initially assumed a significant list and trim; however, further increase has been slow. Based on this data, what should you expect?
N a. The slowing is only temporary and the vessel will probably suddenly capsize or plunge from loss of stability due to change in the waterplane area. Y b. The vessel can probably be saved if further flooding can be stopped. N c. The vessel will continue to slowly list and/or trim due to the free surface effect and free communication effect. N d. The vessel will suddenly flop to the same or greater angle of list on the other side and may capsize. 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. 2164: What provides the majority of strength to an aluminum-sided container?
N a. Corner fittings Y b. Framework, primarily the corner posts N c. Framework and siding acting as a girder N d. Aluminum side and end panels 2266: Your vessel has been damaged and is partially flooded. The first step to be taken in attempting to save the vessel is to __________.
Y a. establish flooding boundaries and prevent further spread of flood water N b. plug the hole(s) in the outer shell N c. pump out the water inside the vessel N d. calculate the free surface effect and lost buoyancy to determine the vessel's stability 2484: The type of joint formed when an edge of one plate is laid over the edge of the plate to which it is riveted is a __________.
N a. grip joint N b. strap joint N c. thread joint Y d. lap joint 2666: On the Great Lakes, short-term fluctuations in water levels may be a result of any of the following EXCEPT __________.
N a. strong winds N b. sudden changes in barometric pressure N c. seiches Y d. below normal rain fall 2783: The effect of ocean current is usually more evident on a tug and tow than on a tug navigating independently because the __________.
Y a. speed of the tug and tow is less N b. towline catches the current N c. current causes yawing N d. current will offset the tow 2844: Naval authorities would NOT give orders about which of the following, when the vessel is under control of the Naval Control of Shipping Organization?
N a. Visual communication at sea N b. Rescue operations N c. Diversions Y d. Schedules for loading cargo 2990: When cutting regular-lay wire rope, what is the minimum number of seizings to be placed on each side of the cut?
N a. One N b. Two, and three on rope diameters over 1 inch Y c. Three, and more on larger diameter wire ropes N d. Four 3152: The danger of a towing vessel tripping is increased the closer the towline is secured to __________.
N a. the stern Y b. amidships N c. the bow N d. the quarter 3414: You are lifting a 3-ton weight with a single whip rove on a swinging boom set at an angle 20° to the horizontal. Use the formula for the size of a shackle with a safe working load and determine the minimum size shackle that should be used to secure the head block to the boom.
Y a. 1 3/8 inch N b. 1 1/2 inch N c. 1 5/8 inch N d. 1 3/4 inch 3420: A face line is used to __________.
N a. prevent barge movement in a lock N b. secure two barges end-to-end Y c. secure barges to the towboat N d. secure barges side-by-side 3449: What term indicates an inward curvature of the ship's hull above the waterline?
N a. Camber Y b. Tumble home N c. Deadrise N d. Flare 3570: As look-out, you spot an object 45° off your port bow. You should report the object as __________.
Y a. broad on the port bow N b. 3 points on the port bow N c. 3 points forward of the port beam N d. on the port beam 3606: A spreader bar is used to __________.
N a. increase the lifting capacity N b. increase the lifting radius N c. protect the slings Y d. protect the upper part of a load 4044: You are arriving in port and are assigned to anchor in anchorage circle B-4. It has a diameter of 500 yards and your vessel's LOA is 484 feet. If you anchor in 8 fathoms at the center of the circle, what is the maximum number of shots of chain you can use and still remain in the circle?
N a. 6 shots N b. 5 shots N c. 4 shots Y d. 3 shots 4143: Which tensioning device is used with wire rope lashing to secure vehicles aboard Ro-Ro vessels?
N a. Chain lever N b. Buckle tensioner Y c. Adjust-a-matic tensioner N d. Ratchet tensioner 4181: Which lashing gear used aboard Ro-Ro vessels should be painted or soaked in oil when not in use?
N a. Wire rope. Y b. Chain N c. Webbing N d. All of the above 4245: What is meant by the term "level-luffing" a crane?
Y a. Luffing while the load remains at a constant height N b. Maintaining the boom at a constant height N c. Slewing the boom left or right in a level planet N d. None of the above 4381: What does item "D" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Heel block N b. Gin block N c. Rider block Y d. Hook block