5. ACCIDENTES MARITIMOS
5.3 NORMAS SOBRE INVESTIGACIONES DE SINIESTROS O SUCESOS
manhole cover. Which of the following methods is satisfactory for testing the repair?
3098 Vertical transverse structures in the double bottom are known as _________.
A. Pressurize the tank with 0.7kg/cm2 air, soap the repaired area, watch for visible signs of leakage or bubbles.
A. pillars
B. Fill the tank with water via the ballast pump until the innage reading corresponds to the maximum depth of the tank.
B. floors
C. Hose test the repaired area with a minimum of 7 kg/cm2 water pressure.
C. ceilings
D. Fill the tank via the ballast pump until water flows from the vent line opening on deck.
D. stanchions
Ans: C Ans: B
3099 The garboard strake is located ____________. 3100 The end joint formed by adjoining plates in a hull plating strake is properly identified as a ____________.
A. at the very bottom center A. bracket
B. just under the sheer line B. scarph
C. at each side of the keel C. butt
D. at the turn of the bilge D. seam
Ans: C Ans: C
3101 Structural members used to support and transmit the downward force of the load and distribute that force over a large area, are called ______________.
3102 The welded joint located between two plates in the same strake of hull plating is called a _____________.
A. pillars A. bracket
B. stanchions B. scarf
C. columns C. lap
D. all of the above D. butt
Ans: D Ans: D
3103 Vertical support members used to strengthen bulkheads are called _____________.
3104 The double bottom in a vessel is a space comprised of ______________.
A. stiffeners A. plating forming the engine room tank top
B. panels B. doubler plating installed over the flat keel plate
C. stanchions C. a watertight boundary formed by the inner bottom
D. brackets D. compartments between the inner and outer bottoms
Ans: A Ans: D
3105 The inner bottom of a ship is the _____________. 3106 A shot of anchor chain has a length of ____________.
A. plating forming the engine room tank top A. 6 fathoms
B. doubler plating installed over the flat keel plate B. 12 fathoms C. watertight boundary formed by the skin of the ship C. 15 fathoms D. compartment between the tank top and skin of the ship D. 45 fathoms
Ans: A Ans: C
3107 The part of the anchor windlass that engages the anchor chain for lifting is called the _____________.
3108 Which of the following precautions should always be carriedout in drydock?
A. warping head A. Liquids should never be transferred between tanks without
consulting the dock master.
B. fairlead B. If sea valves have been disassembled, all bonnets must be
checked for leakage when the ship is refloated.
C. wildcat C. Before refloating, all sea chest strainers should be verified as
having been replaced.
D. capstan D. All of the above.
Ans: C Ans: D
3109 The collision bulkhead is located _________. 3110 Regulations require tank sounding tubes terminating above the weather deck of a cargo vessel to be fitted with a _________.
A. on the bridge deck A. globe valve
B. between the passenger and cargo areas B. stop-check valve
C. at the stern of the ship C. gate valve
D. as the first watertight bulkhead aft of the bow in the ship D. screw cap or plug
Ans: D Ans: D
3111 According to Regulations , how many means of escape must be provided in spaces where the crew may be quartered or employed?
3112 The purpose in constructing a pipe tunnel aboard a vessel is to ___________.
A. Two, both of which must be through watertight doors. A. insulate piping from ambient temperatures B. Two, both of which are located as close together as possible to
centralize escape routes.
B. provide convenient grouping of all piping leading fore and aft from the machinery space for easy access and control
C. Two, at least one of which shall be independent of watertight doors.
C. enclose all pipes leading to a single forward compartment in their own enclosure
D. Two, both of which must be vertical ladders terminating in locked watertight scuttles.
D. segregate a pipe from the compartment through which it passes
Ans: C Ans: D
3113 Who is responsible for ensuring that someone is assigned to close the watertight doors in an emergency?
3114 When a new section of shell plating is being installed, the proper weld sequence must be followed to _____________.
A. Crew member A. minimize shrinkage stresses and harmful distortion
B. Master of the vessel B. ensure that all weldments are downhand
C. Chief Engineer C. provide the greatest restraint in the weld
D. Chief Mate D. ensure all horizontal weldments are completed first
Ans: B Ans: A 3115 When renewing only a portion of an entire hull plate with an insert
plate, which of the listed guidelines should be followed?
3116 A vessel's immediate protection in the event of a broken stern tube is a/an ____________.
A. The insert plate should cover at least one full frame space. A. aft collision bulkhead B. The lines of new welding should, where possible, lie in existing
lines of welding.
B. stern frame bulkhead
C. The corners of the insert plate should be square. C. after peak bulkhead
D. The insert plate should be at least 9/16 thick. D. aft machinery space watertight bulkhead
Ans: A Ans: C
3117 When the ship's bulkheads are reinforced against bending and bulging, the bulkheads are provided with ____________.
3118 In modern ship construction, high tensile steel (HTS) may be permitted in _______________.
A. stanchions A. the sheer strake
B. girders B. the keel strake
C. stiffeners C. the margin strake
D. rabbits D. all of the above
Ans: C Ans: D
3119 Which of the listed statements correctly reflects the requirements for steel used in low temperature applications aboard ships?
3120 In ship construction, beams are transverse girders which provide support to ___________.
A. A steel acceptable for service at 19.5°C is not acceptable for service at 10°C.
A. bulkheads
B. The words "low temperature" are to be marked legibly at each end of the finished plate.
B. deckhouse structures
C. No special welding procedures are required. C. decks
D. Any steel acceptable for a particular minimum service temperature is also acceptable for higher service temperatures.
D. vertical frames
Ans: D Ans: C
3121 Which of the following statements is correct concerning the regulations regarding internal combustion engine exhausts, boiler and galley uptakes, and similar sources of ignition?
3122 According to regulation , a "C" class division, bulkhead or deck shall be constructed ___________.
A. They shall be kept clear of and suitably insulated from any woodwork or other combustible matter.
A. with approved incombustible materials and made intact from deck to deck and to shell or other boundaries
B. All exhausts and uptakes shall run as close as possible to the vertical and shall exit the machinery space at a point above the highest load line.
B. of approved incombustible materials, but need meet no requirements relative to the passage of flame
C. The general construction of the vessel shall be such as to minimize smoke hazards insofar as is reasonable and practicable.
C. that if subjected to the standard fire test, they would be capable of preventing the passage of flame for one half hour
D. This protection shall be such as to be capable of preventing an excessive temperature rise in the space containing the emergency source of electric power.
D. that if subjected to the standards fire test, they would be capable of preventing the passage of flame or smoke for one hour
Ans: A Ans: B
3123 Which of the following clearance readings should be taken and recorded in drydock?
3124 Support of side plating is provided primarily by transverse ______________.
A. The clearances between the propeller blade tips and the hull. A. beams
B. The clearances between the propeller hub and the fair water cone. B. girders
C. The rudder bearing clearances. C. frames
D. The clearances between the stern tube packing gland and the retaining ring.
D. bulkheads
Ans: C Ans: C
3125 In ship construction, the shell plating is arranged in strakes and assigned letter designations. If the strakes were lettered "A"
through "K", the "K" strake will be ______________.
3126 In ship construction, the strakes are given letter designations beginning with the letter "A." The "A" strake is adjacent to the ___________.
A. at the turn of the bilge A. deck edge strake
B. the keel strake B. keel
C. the drop strake C. turn of the bilge strake
D. the sheer strake D. sheer strake
Ans: D Ans: B
3127 In ship construction, the shell plating is arranged in strakes, with four of the strakes being specifically identified by name. The strake next to the keel is identified as the ____________.
3128 In ship construction, which of the listed strengthening members act to support the decks?
A. keel strake A. Pillars
B. garboard strake B. Girders
C. bilge strake C. Bulkheads
D. sheer strake D. All of the above
Ans: B Ans: D
3129 In ship construction, the hull frame members extending athwartship are called ____________.
3130 The purpose of swash bulkheads is to ____________.
A. deck frames A. minimize the effect of a listing condition
B. stringer frames B. restrict flooding within a tank
C. longitudinal frames C. separate cargoes in a common tank
D. transverse frames D. reduce liquid movement within a tank
Ans: D Ans: D
3131 If high relative humidity is maintained in a cargo hold,there is a significant possibility that ________. I. there will be an accumulation of static electricity II. mold will grow and contaminate the cargo
3132 The depth of fuel oil in a double bottom tank is measuredthrough the _____________.
A. I only A. vent line
B. II only B. depth gage
C. Both I and II C. manhole cover
D. Neither I nor II D. sounding tube
Ans: B Ans: D
3133 Regulations require that any tankship making a voyage "of over a 48 hour duration" must have certain tests conducted not more than 12 hours prior to leaving port. Meeting this requirement includes thetesting of the ____________.
3134 Pillar cross-sections of "I", "H", or circular are used in ship construction in locations where there are large expanses, void of intermediate decks and bulkheads, such as in cargo holds and engine rooms. A supporting pillar which becomes bent out of ver
A. means of communication between the bridge and engineroom A. not be critical until the vertical angle approaches 15‚
B. fire pump relief valve B. loose practically all of its strength as a support
C. watertight door to the shaft alley C. most likely experience shear stress failure if not reinforced immediately
D. emergency lighting system D. not pose any problem, provided there are no cracked welds
connecting it to any adjoining strength members
Ans: A Ans: B
3135 In order to recognize the amount of anchor chain paid out, specific portions of the chain are color coded and wrapped with wire. The second shot of the chain is painted __________.
3136 In order to recognize the amount of anchor chain paid out, specific portions of the chain are color coded and wrapped with wire. The first shot of chain is painted __________.
A. white on the detachable link A. white on the detachable link and red on each link to either side of the detachable link
B. red for two links on either side of the detachable link B. white on the detachable link and white on each link to either side of the detachable link
C. white for two links on either side of the detachable line C. red on the detachable link and red on each link to either side of the detachable link
D. red on the detachable link D. red on the detachable link and white on each link to either side of the detachable link
Ans: C Ans: D
3137 The bitter end is the __________. 3138 A shot of anchor chain is equal to __________.
A. looped end of a mooring cable A. one chain link
B. end of the chain shackled to the anchor B. one - 90 foot segment
C. fixed end of the mooring cable fastened to the mooring winch drum C. 90 fathoms
D. end of the anchor chain fastened to the vessel D. one - 15 foot segment
Ans: D Ans: B
3139 All of the links in the next to the last inboard shot of chain are painted __________.
3140 Stanchions prevent the entire deck load from being carried by the ______________.
A. yellow A. bulkheads
B. white B. stringers
C. red C. frames and beam brackets
D. orange D. deck longitudinals
Ans: A Ans: C
3141 According to regulations , a "B" class bulkhead shall be constructed _______.
3142 The material, design, construction and workmanship of main and auxiliary machinery shall _________. (46 CFR)
A. of steel or equivalent metal construction, suitably stiffened and made intact from deck to deck and to shell or other boundaries
A. determine the necessity of duplication and application of redundant systems
B. of approved incombustible materials, but need meet no requirements relative to the passage of flame
B. be examined and approved by the Port State Control Officer of the port in which the vessel is being constructed
C. that if subjected to a standard fire test, they would be capable of preventing the passage of flame for one half hour
C. be at least equivalent to the standards established by the American Bureau of Shipping or other recognized classification society
D. that if subjected to the standard fire test, they would be capable of preventing the passage of flame and smoke for one hour
D. prevent the possibility of operator injury due to inefficient construction practices and inappropriate material testing procedures
Ans: C Ans: C
3143 According to regulation , an "A" class division, bulkhead or deck shall be constructed _________.
3144 The bleeder plug, or docking plug located on a motor vessel double bottom tank is used to ______________.
A. with approved incombustible materials and made intact from deck to deck and to shell or other boundaries
A. indicate when the tank is pressed up
B. of approved incombustible materials, but need meet no requirements relative to the passage of flame
B. provide a secondary means of tank sounding
C. that if subjected to the standard fire test, they would be capable of preventing the passage of flame for one half hour
C. vent air from the tank when bunkering
D. that if subjected to the standard fire test, they would be capable of preventing the passage of flame and smoke for one hour
D. empty the tank when in drydock
Ans: D Ans: D
3145 In ship construction, beam brackets are triangular plates joining the deck beam to a _________________.
3146 Reinforcing frames attached to a bulkhead are called ____________.
3147 The duties of a chief engineer upon taking charge of the department include _____________.
3148 If a lifeboat winch allows a lifeboat to descend to the water at an excessive speed, you should _____________.
A. preparing a list of engine department personnel for the Master's signature
A. remove unnecessary weight from the boat
B. taking a complete personal inventory of all engine room spare parts
B. adjust the centrifugal brake mechanism
C. determining if any vital engine room equipment is inoperative C. adjust the davit mounted limit switches D. obtaining a valid Certification of Inspection from the Coast Guard D. engage the motor friction clutch bands
Ans: C Ans: B
3149 When a vessel is drydocked for inspection, which of the following valves are required to be opened during this period?
3150 Sounding tubes and access openings for fuel oil tanks on cargo vessels are permitted by Regulations to be located in which of the listed spaces?
A. Ballast pump manifold valves A. Washrooms
B. High and low suction valves on fuel oil settling tanks B. Laundries C. Bottom blow skin valves to the main and auxiliary boilers C. Slop sinks D. Cooling water control valves on refrigeration condensers D. Corridors
Ans: C Ans: D
3151 On small passenger vessels, separation of machinery and fuel tank spaces shall be __________.
3152 Regulations require remote controls for stopping machinery driving fuel oil service pumps. These controls shall be ___________.
A. provided between each of these spaces by watertight and/or vaportight bulkheads
A. located at the control platform
B. separated from accommodation spaces by watertight and/or vaportight bulkheads
B. provided with a locked cover
C. not considered as essential C. accessible to authorized personnel only
D. separated from accommodations spaces by non-continuous bulkheads
D. protected against accidental operation
Ans: B Ans: D
3153 The location of a vessel's frame stations may be obtained from which of the listed drawings?
3154 Where should you expect to find striking plates?
A. Profile A. In the bow of the ship at the waterline.
B. Base line B. On the bottom of a fuel or ballast tank under the sounding tube.
C. Cross section C. Under the counter above the propeller blade tips.
D. Buttock D. On the cofferdam manhole.
Ans: A Ans: B
3155 What color is used to indicate the last shot of anchor chain? 3156 The principal purpose of an anchor windlass chain stopper is to _____________.
A. Red A. tie off the warping head lines
B. White B. absorb the brake thrust of the anchor windlass
C. Blue C. hold the anchor chain while riding at anchor
D. Yellow D. lock the intermediate clutch shaft to the wildcat
Ans: A Ans: C
3157 According to Regulations , where cargo pump shafts on tankers pierce bulkheads ________________.
3158 In merchant ship construction, the term "scantlings" refers to the ____________.
A. readily accessible gastight glands shall be provided A. factor of safety involved with the hog and sag characteristics of the hull
B. compressed air shall be used as the primary means to discharge cargo
B. hull girder strength in terms of the standard model
C. a pressure gauge or manometer shall be installed on the bulkhead to ensure the gastight seal is maintained
C. designed size of the beams, stiffeners, and shell plating
D. the glands are to be kept under continuous suction with power ventilation
D. ICE strength classification of the hull
Ans: A Ans: C
3159 The structural members of the hull extending in a fore and aft direction are called _________.
3160 The minimum number of crew members permitted by law to operate your vessel can be determined by checking the _______________.
A. frames A. Manning Certificate
B. joiners B. Class Certificate
C. longitudinals C. Master's crew list
D. knees D. Master's logbook
Ans: C Ans: A
3161 Which of the following is operated from the main engine room console on an automated vessel?
3162 Expansion tanks used in a hot water heating system may be of the open or closed type. In a closed type system, what would be the normal temperature range of the water?
A. Fire pump and lube oil pump A. 80°C to 100°C
B. Lube oil pump and distilling plant B. 104°C to 116°C
C. Distilling plant and shaft alley door C. 127°C to 138°C
D. Shaft alley door and fixed CO2 release D. 160°C to 182°C
Ans: A Ans: B
3163 Which of the following statements describes the function of an alarm annunciator on an engine room alarm panel?
3164 According to regulations , a standard fire test is one ________.
A. An alarm condition causes a light and siren to come on which remain on until the machinery is secured.
A. of many initial operating tests performed on newly commissioned boilers
B. A flashing light comes on, followed by an audible alarm. When an alarm acknowledge button is depressed, the audible alarm is silenced and light stays on.
B. which is used to determine the flash point of various marine fuels
C. An alarm condition gives an audible and visual alarm signal, both of which are secured when the alarm acknowledge button is depressed.
C. which develops a series of temperature relationships in a test furnace
D. An alarm condition causes a flashing light to come on, followed by an audible alarm. When the alarm acknowledge button is depressed, the warning light is extinguished.
D. in which all emergency firefighting and related safety equipment are tested
Ans: B Ans: C
3165 With reference to a vessel's structural integrity, the most significant characteristic of a cryogenic liquid is its ______________.
3166 With regard to the opening and closing of watertight appliances not fitted with a remote operating control or alarm system, which of the following is the master or person in charge of a MODU required to enter in the logbook?
A. capability of causing brittle fractures A. The time required to close the appliances.
B. highly corrosive action on mild steel B. The reason for opening or closing each appliance.
C. vapor cloud which reacts violently with saltwater C. The name of the person performing the opening and closing of such appliances.
D. toxicity at atmospheric pressure D. The fact that the hull indicators functioned or not.
Ans: A Ans: B
3167 The purpose of bilge keels is to _____________. 3168 Which of the following describes the purpose of a striker or doubler plate?
3167 The purpose of bilge keels is to _____________. 3168 Which of the following describes the purpose of a striker or doubler plate?