Тест состоит из случайных вопросов по выбранной теме.
What kind of starting system shall the lifeboat engine be fitted with ?
either a manual system or a power starting system with two independent rechargeable energy sources
two independent and separated systems
Fire protected lifeboats when waterborne should be capable of protecting its full complement when subjected to a continuous oil fire that envelops the boat for a period of not less than how many minutes?
A lifejacket or immersion suit light has a luminous intensity of, and is capable of working at minimum for a period of:
2 candelas (about 1,7 mile range at normal meteorological sight), 8 hours
2 candelas (about 1,7 mile range at normal meteorological sight), 4 hours
0,75 candelas (about 0,6 mile range at normal meteorological sight), 8 hours
0,75 candelas (about 0,6 mile range at normal meteorological sight), 4 hours
*In a ship that is not fitted with a main fire control room, where is the control panel of a fixed fire detection system located?
What kind of measure is the division of the vessel in upright areas by using thermic and structural separations?
It is neither a prevention nor a protection measure
It is a prevention measure
It is both a prevention and protection measure
It is a protection measure
What fixed fire fighting medium do we normally use in the engine room, pump room and other spaces?
The fixed fire fighting medium in engine room, pump room etc is water
The fixed fire fighting medium in engine room, pump room etc is foam
The fixed fire fighting medium in engine room, pump room etc. is Carbon Dioxide CO2, Halon or foam
The fixed fire fighting medium in engine room, pump room etc is chemical powder
*Which of the following spaces may be protected by a fixed carbon dioxide (CO2) fire-extinguishing system?
Machinery spaces of category A
Special category spaces of passenger ships
Dry chemical powders extinguish fire by...
Cooling and/or smothering
Unfeeding, cooling and/or smothering
Cooling and/or inhibition
Inhibition, smothering and/or opacification
As a general rule, where would you expect to find a portable fire extinguisher intended for use in a given space?
Under a porthole or window in that space, if any
All these alternatives may be considered as a standard practice
Near the middle of the space
Near the entrance to that space
A wire aerial for an MF/HF –transmitter must be suspended between isolators:
to prevent contact with earth
to make the ………way for aerial currents as long as possible
to prevent burns when touching the aerial
What is false regarding the function :”Transmission of ship to shore distress alerts”
On all areas this function is based on the use of SARSAT COSPAS Epirb
On area A1 this function is based on the use of SART transponders
On area A1 this function is based on the use of VHF DSC
On area A2 this function is based on the use of MF DSC
You have an important navigational or meteorological message to transmit. What call should proceed this message when made on the radio telephone?
Securite Securite (3 times)
What does it mean if a product has the note F/T in Vapor detection colum in the IBC/BCH ?
The product is not flammable or toxic.
The product is both flammable and toxic.
The product is toxic but not flammable.
The product is flammable but not toxic.
Static electricity may be built up by the :
spraying or splashing of petroleum
flow of petroleum through pipes
settling of solids or water in petroleum
Who is responsible for the vessel's radio station and mandatory radio routines?
What makes OPA-90 different from other international oil legislation
Responsibility for cleaning up
Responsibility for salvage assistance
Unfortunately an insect has become lodged in the ear. How to remove the insect?
By using a Q-tip and carefully try to get the insect out
Gently flood the casualty's ear with terpid water so that the insect will float out.
Hold one hand across your nose and blow hard. Since the nose-channel is closed, the air will escape through the ears instead. And so will the foreign body.
By using rubber vacuum pump and suck the foreign body out.
What is definition on clean water?
Water with less than 15 ppm vitiation of oil
There isn’t any definition on clean water
Water with less than 45 ppm vitiation of oil
Water with less than 1 % vitiation of oil
What is the search system pattern called using 1 vessel?
What are the advantages of having mooring wires stowed on self-stowing "split drum" winches?
Increased brake holding capacity due to the ability to keep the paid out wire in a single layer on the drum
Less chance of the wire becoming jammed on the reel
All the listed alternatives answers
Which type of vessel suffers from the greatest squat effects?
Vessel with a large length to beam ratio
Vessel with a high Block Coefficient
Vessel with a low Block Coefficient
Vessel with a small length to beam ratio.
During a double banking operation the off-take or smaller vessel generally provides the moorings. If wires are used it is recommended that ropetails are fitted onto the ends of the wires. This is to:
Introduce some elasticity into the lines for shock load absorption
Introduce electrical discontinuity between ships
Permit quick cutting in an emergency
All the listed alternatives
Which of the following duties shall be included in the "muster list" as being assigned to crewmembers in relation to passengers?
clearing the escape routes
ensuring that every passenger is provided with an immersion suit or a thermal protective aid
ensuring that a supply of blankets is taken to the survival craft
ensuring that extra food and water is taken to the survival craft
A person wearing an anti-exposure suit shall be able to:
don and remove the suit in the water in no more than 5min. if it impairs ability to swim
dive into the water to the maximum draft of craft that the ship is provided with
jump from a height equal to that of the stowage of liferafts arranged to be thrown overboard
jump from a height of not less than 4.5m into the water without damaging the suit or being injured
Which one of the listed requirements regarding the stowage of lifeboats and life-rafts corresponds to present SOLAS regulations?
Davit-launched life-rafts shall be stowed on starboard side of the ship.
Life-rafts shall be stowed close to the stern of the vessel
Life-rafts intended for throw-overboard launching shall be stowed midships secured to means for transfer to either side.
Lifeboats shall be stowed attached to launching appliances.
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. Which of following detailed explanations of crew duties in relation to emergency situations shall be contained therein?
The use of oars and sails for survival crafts
The method of revival of casualties by MTM-method (mouth-to-mouth)
Boarding, launching and clearing of survival crafts (lifeboat/liferafts) and rescue boats
Correct donning of fire protective clothing
The maximum height that a pilot should be required to climb on a pilot ladder before reaching the deck or stepping onto an accommodation ladder platform is:
What kind of permits have to be obtained before starting cold work in tanks?
Cold work permit + Permit for entry .
A diode may be tested by which method?
Use a Digital Multi- Meter set to measure ohms in forward and reverse directions.
Use an insulation resistance tester (Megger)
Connect to low ohms resistance tester.
Use a Digital Multi-Meter set to check forward voltage and reverse current blocking
What is the purpose of a "part flow display system" installed on some oil tankers ?
The Part Flow System makes it possible to observe the discharge visually for oil content, even in darkness
The Part Flow System makes it possible to discharge dirty ballast below the water line on older tankers
The Part Flow System makes it possible to measure the oil content, even if the Oil Discharge Monitoring Equipment is not working
The Part Flow System makes it possible to observe the discharge visually for oil content, on older tankers with discharge below the waterline
On the diagram provided, there are four (4) possible directions indicating the term "AHEAD". Which one is the correct?
Ahead is given by A on the figure
Ahead is given by D on the figure
Ahead is given by B on the figure
Ahead is given by C on the figure
When cross-flooding arrangements to correct unsymmetrical flooding and excessive heel angels in damaged condition are installed in passenger ships, what is the maximum angle of heel after flooding but before equalization?
There are many applications in circuit theory where it is important to obtain the maximum possible power that a given source can deliver. This figure consists of a practical voltage source V(g) with internal resistance R(s). What resistance R(L) will maximize the power transmission from the source to R(L)?
What should not be done when a container of liquid ammonia is on fire?
Cool the container with water
Use a dry chemical fire extinguisher or carbon dioxide gas
Use self-contained breathing apparatus
On the figure 4 possible definitions of the term "LENGHT OVERALL" are given. Which one is the correct one?
Lenght overall is given by C on the figure
Lenght overall is given by B on the figure
Lenght overall is given by A on the figure
Lenght overall is given by D on the figure
Failed O-rings on a 2 stage air compressor cylinder liner have resulted in a water leak. Where is the leaking water most likely to go when the compressor is operating?
Into the crankcase and mix with the lube oil.
In relation to exhaust gas measurement with a thermocouple, use of an amplifier which gives a mA-signal out is preferred. Why is this done?
This depends on the length of the compensation-cable.
The output signal from a thermocouple is at mV level,and can not be transferred over any long distance without loss of signal, giving a poor accuracy and poor noise immunity.
The signal out from the thermocouple is also mA, but have to be amplified in order to give a good signal to the alarm system.
To stabilize the signal andmake it easier to measure at the receiver.
Wich type of compressors are used as cargo compressor onboard liquified gas carriers?
One, two and three stage piston compressors.
Piston, screw and centrifugal type compressors.
One, two and three stage screw compressors.
Oil free screw and piston compressors.
You are approaching a port in a snowstorm. You hear this signal. What kind of vessel is it and what is it doing?
It comes from a vessel restricted in her ability to manoeuvre.
It comes from a vessel engaged in pilotage duties and it is making way through the water.
It comes from a vessel at anchor, less than 100 metres in length.
It comes from a vessel engaged in pilotage duties at anchor, over 100 metres in length.
What is the correct name of the part highlighted in the sketch?
What is the traditional seaman's saying that suggests the procedure to follow when carrying provisions around the galley and storerooms and up and down stairways?
"One hand for the ship and one for yourself".
"One hand for the Captain and one for the Cook".
"One hand for the ship and one for the stores".
"Keep your hands to yourself".
A container vessel must alter her trim to depart even keel from the berth. Select the most appropriate means of altering trim.
By taking ballast into the lightest draught end of the vessel.
By altering the cargo disposition.
By discharging ballast from the deepest draught end of the vessel.
By internal shift of ballast.
The purpose of the “flame scanner” on the boiler is
check the colour of the flame
controlling the combustion air supply to the boiler
shut off the oil flow if the flames goes out
Mention three ways of adjusting a centrifugal pump’s delivery capacity.
Throttling the delivery valve, throttling the suction valve, reduce the steam consumption.
Only throttling the suction valve.
Throttling the delivery valve, adjust the RPM, by-pass.
Throttling the suction valve, reduce the steam consumption, by-pass.
PT-100 sensors are some times used with 3 or even 4 wires. What is the reason for this?
Because of power-consumption.
Higher mechanically strength of the cable.
Higher measuring accuracy.
Passenger ships have a normal requirement of 1 lifejacket per person + 10% for children. In addition to this, how many lifejackets have to be stowed in conspicuous places on deck or at the muster stations?
How frequently should the PA-system (Public Address) be tested?
During inspection of a medium speed diesel engine piston of the composite type it is found that the steel crown is loose at its connection to the alloy skirt. Further inspection reveals damage to the surfaces and evidence of metal particles where the two parts are connected. Select, from the options given, the likely cause of this type of damage.
Fatigue due to excess compression at the joint between the components.
Crushing due to over tightening of the piston crown retaining bolts.
Shear of the metal surfaces due to excessive load on the engine.
Fretting due to loss of compression at the joint between the components.
According to the industry guidelines in the ISGOTT Guide and assuming terminal regulations do not require otherwise, what action should be taken to drain accumulated water from the deck during cargo handling operations in rainy conditions?
The scupper plugs are to be kept closed and sealed; any volume of water that is not contained should be allowed to flood over the fishplate
The accumulated water is to be drained periodically and the scupper plugs to be immediately closed once the water has been run off. Water containing oily residues is to be transferred to a slop tank or other suitable receptacle
During periods of heavy rain, it is considered prudent and safe to allow water to drain continuously; therefore scupper plugs should be removed in such conditions
The accumulated water is to be transferred to a spare tank
A centrifugal pump is to be reassembled following overhaul and it is discovered that there are no spare gaskets for the pump housing. From the options given select the best alternative material to make a gasket from.
Reinforced pilot packing.
Thick paper (chart paper).
A combustible gas indicator of the catalytic filament type is used to check the atmosphere in an enclosed space onboard ship. When taking readings in a fuel tank which has been emptied for cleaning the meter reading initially rises and then falls back to zero. What is the likely defect, if any, in the instrument when this type of behaviour is displayed?
The sampling pump is faulty.
The filament has burnt out.
The filament is contaminated due to too high a concentration of hydrocarbons.
Fluid flow is measured using a pneumatic differential pressure transmitter and is indicated on a direct reading instrument. The indicator is reading zero even though fluid is flowing through the system. When the flow rate changes the indicator initially registers a reading but then gradually returns to zero. From the options given select the probable cause of this condition.
The connection to the differential pressure transmitter low pressure bellows is blocked.
Diaphragm in the differential pressure transmitter is perforated.
The I/P converter is faulted.
The connection to the differential pressure transmitter high pressure bellows is blocked.
What are the operational requirements for a fast rescue boat?
It shall be transferable on each side of the vessel
There is no requirement for a launching appliance
It shall be served by a launching appliance to launch and retrieve the boat in still conditions
It shall be served by a suitable launching appliance to launch and retrieve the boat even under severe adverse weather conditions
If a fuel oil cargo is treated with an anti-static additive, how does this affect its conductivity characteristics?
It becomes an accumulator of static charge.
It becomes mildly magnetic for a time.
Its relaxation time after loading is extended.
It becomes a non-accumulator of static charge.
What must the oxygen content of the atmosphere within the cargo tanks of an oil tanker be prior to loading?
It must not exceed 8% by volume.
It cannot be in excess of 12% by volume.
It must be no greater than 5% by volume.
It must be less than 10% by volume.
When should a master agree to load a cargo of concentrates?
When he is fully satisfied that the actual moisture content of the cargo is less than the Transportable Moisture Limit (TML)
After a laboratory analysis of the cargo has been carried out
As soon as the cargo holds have been passed for loading
Once the actual moisture content of the cargo has been declared by the shipper
Which of the following is an acceptable method of controlling the cargo tank pressure when loading a liquefied gas carrier?
Through a vapour return to shore connection.
The pressure relief valve will automatically control the pressure at the set pressure.
Reduce the setting of the pressure relief valve to zero gauge pressure and vent to atmosphere.
Open the atmospheric vent line.
What is lateral drag with reference to operations on a General Cargo ship?
Heel caused by a ship being pushed onto or pulled off a berth
Hull resistance when a ship is being pushed onto or pulled off a berth
Movement of cargo longitudinally across a vessel
The sideways movement of a heavy load after its weight has been transferred to the ship's lifting gear
What is an analogue signal?
A measure of voltage using an oscilloscope.
A stable electric signal.
A continually variable electric signal.
A measure of electric current.
What would you do if you were told that cargo on a flatrack has a tendency to deform or to compact during the voyage?
Slacken the cargo securing gear
Ensure that the cargo is secured as per shipper’s instructions
Accept the cargo as it is and clause the mate’s receipt accordingly
What criteria are used to assess a bulk carrier’s Fatigue Strength?
The option of alternate hold loading
The ship’s deadweight at the summer loadline
Midship section scantlings
What is IMO's definition of liquefied gas?
All chemicals with excess pressure above 2.8 bar at +73.8 C.
All chemicals with excess pressure above 8.2 bar at +37.8 C.
All chemicals with excess pressure above 2.8 bar at +37.8 C.
All chemicals with excess pressure above 2.8 bar at +100 C.
All heat burns should be
Covered with Gauze or bandage immediately
Applied with soothing lotion as soon as possible
Treated by the doctor only
Cooled as quickly as possible with running cold water for at least 10 minutes
What precautions should be taken with Ro-Ro cargoes when crossing the oceans in winter?
Additional cargo lashings should be applied at the loadport
The ship should avoid areas of heavy weather
Which statement about stress is correct?
Stress interferes with an individual's ability to respond to a threat.
An example of stress is a shipboard fire.
Individuals in a shipboard emergency experience different levels of stress.
Stress is an unusual reaction to a threatening situation.
What type of cargo tanks are normally used for the cargo containment system for fully pressurised and semi-pressurised liquefied gas carriers?
Which vitamin is found only in meat and fish?
What is IMO's requirement to maximum temperature for fully pressurised cargo tanks at ambient temperature?
What is the meaning of the expression 'dead-band'?
It will is not respond to adjustment of set-point
The controller will not react to a process change in this range
The controller will enter 'sleep mode'
It will take some time before the controller will react to a change
When starting three phase induction motors there is sometimes a need to use a star-delta starter. A star-delta starter exhibits which of the following characteristics while connected in star.
Reduced current and increased voltage
Reduced current and reduced torque
Reduced current and reduced voltage
Increased current and power
Medium and high speed diesel engines used for electrical generation duties on board ship have overspeed protection devices fitted to protect the engine in case the electrical generator trips while carrying high loads. Why are these devices necessary?
To stop the engine before any serious damage occurs due to excess inertial loads.
To stop the engine before any serious damage occurs to the electrical components due to excess voltage and frequency.
To stop the engine before any serious damage occurs due to rapidly changing thermal loads.
To stop the engine before any serious damage occurs due to rapidly changing cylinder pressures.
How many two-way VHF radiotelephone apparatus shall be provided on board a passenger ship of 500 gross tonnage and upwards?
One for each survival craft
It is required to have a fixed two-way VHF fitted in a survival craft
Give clear, direct instructions in an emergency, and show passengers exactly what they need to do. What is the most important reason for doing this?
3% of passengers have little or no ship safety knowledge.
25% of passengers go into shock.
75% of passengers are confused, and feel helpless.
What do we mean by purging a cargo tank?
To purge a cargo tank means that we liquid free the tank with hot gas.
To purge a cargo tank is to load cargo into the tank.
To purge a cargo tank is to change the vapour phase either with cargo or neutral atmosphere.
To purge a cargo tank means that we blow air into the tank.
What is the maximum allowable tank design pressure in the vapour space for Independent tanks type "A"?
How often shall the master review the safety management system?
You have just collected some fresh provisions from the storeroom below the galley. As you are coming back up the stairway, you slip and fall, dropping the provisions and scratching your leg, causing minor bleeding. Which of the following will you now do?
I will say nothing, as the accident did not take place in the galley and was my own faulty anyway; I will pick up the provisions I dropped and carry on as usual; I will look at the scratches when I get a break.
I will tell the Chief Cook and let him decide whether to report or record it; we will use all of the provisions as usual, as the cooking process will ensure any contamination or damage is neutralised.
I will report the incident; I will obtain first aid; I will ensure an entry is made in the accident log; I will ensure all the provisions are inspected for damage and any bruised, broken or contaminated goods are discarded.
I will tell my colleagues in the galley that I slipped but that I am OK; I will not mention that I dropped any provisions and will just wash any items that dropped onto the deck.
You have recently discharged a cargo of Methylene Chloride from tank 4 port. How will the atmosphere in the tank normally be tested for remaining (very low level) traces of vapour to ensure safe conditions before a tank entry certificate is issued?
By reading off a standard explosimeter (combustible gas indicator).
You will be able to smell even a very low level of this product.
It is not possible (or important) to test for trace levels of this product.
By sampling through a gas detector tube.
A high speed diesel engine has been subject to a major overspeed incident due to governor failure. During checks for damage it is found that some of the bottom end bolts have slackened off slightly. There appears to be no other damage to any of the bearings, the running gear or to the crankshaft. From the options given select the action to be taken before bringing the engine back into service.
Renew all of the bottom end bolts.
Retighten the bottom end bolts that were slack back to the recommended torque.
Renew all of the running gear for the engine including the crankshaft and bearings.
Renew all of the bottom end bolts that were found slack.
When does a bulk carrier experience extreme tension in bottom structure during fast rate loading?
During ballasting in port
During loading of heavy cargo in midship hold
During correct loading pattern but with heavy cargo
What do you understand by the term “Risk Assessment”, and how would this be carried out on board?
States than when work has a degree of risk that the work is not carried out
Requires a great deal of preparation and involves recording everything on paper
Identify the hazards, quantify the risks, put control measures in place, monitor the work activity and review
Identify the hazards and specify the personal protective equipment that would be required to complete the work
What is a Fantainer used for?
Carrying dangerous goods prone to condensation
Carrying reefer cargoes prone to condensation
Carrying dry cargoes prone to condensation
On a RoRo vessel, what must you ensure where the cap of a sounding pipe is flush with a ro-ro deck?
Sufficient vertical clearances between the sounding pipe cap and cargo lashings
Prohibit all cargo stowage around this area
Prohibit the stowage of general cargo around the area
Prohibit the stowage of wheeled cargo around the area
It is possible to operate two similar generators in parallel at equal power (kW) but at different power factors. The generator with lower power factor will run:
Hotter due to increased current
Cooler due to increased speed
Faster due to increased voltage
Slower due to increased current
The torsion meter for the main propeller shaft is reading high. The torque is sensed using the angle of twist principle with two clamp rings attached to the shaft at a fixed distance, with stationary proximity switches for measuring the angle of twist and also shaft speed fixed to a rigid stool. What is the most likely cause of the high reading?
Axial slip of one of the clamp rings to bring them closer together.
Circumferential slip of the after clamp ring in the opposite direction to shaft rotation.
Axial slip of one of the clamp rings to move them further apart.
Circumferential slip of the forward clamp ring in the opposite direction to shaft rotation.
Low voltage ships tend to have insulated neutral systems. What is the reason for this?
If the neutral is not insulated then it may short to other conductors.
It is easier to detect faults
In the event of an earth fault vital equipment will not trip
It is more effective than insulating the live conductor
With the set point at the actual desired value, a temperature control system is giving an unacceptably large offset (difference between set point and measured value) on high load resulting in a low system temperature. Which of the actions given in the options should be taken to reduce this effect and therefore achieve closer control of the temperature?
Increase the set point to a value above the actual desired value
Crack open the manual bypass valve for the control valve.
Increase the width of the proportional band for the controller.
Reduce the width of the proportional band for the controller.
What is the minimum length of rubber insert when replacing a damaged section of the hatch cover seal?
On the figure 4 possible definitions of the term "FAIRLEAD" are given. Which one is the correct one?
Fairlead is given by A on the figure
Fairlead is given by C on the figure
Fairlead is given by D on the figure
Fairlead is given by B on the figure
What is the meaning of this signal performed by an aircraft to survivors on the surface? (Procedures performed by an aircraft as illustrated below)
Please try to contact nearest coastal radio station
The aircraft has to leave, but will return within 5 hours
The aircraft has to leave the survivors due to fuel shortage
The aircraft wishes to inform or instruct survivors