Тест состоит из случайных вопросов по выбранной теме.
Which one of the listed requirements regarding launching appliances for survival crafts and rescue boats do not correspond to present regulations?
Launching appliances shall be constructed for minimum amount of routine maintenance
The launching mechanism shall be arranged for actuating from a position within the survival craft or rescue boat in addition to a position on the ship's deck
All launching appliances shall be capable of recovering survival crafts and rescue boats with their crew
Parts requiring regular maintenance by ships crew shall be readily accessible
Which one of the listed requirements regarding hand flares do not correspond to present regulations? The hand flare shall:
have a self-contained means of ignition
have a burning period of not less than 1 minute
continue burning after being immersed for 10 seconds under water
emit smoke of a highly visible colour
What class of fire is a smoldering fire of wood, textiles, paper and other carbonaceous materials?
*May liquid fuel, lubricating oil or other flammable oils be carried in a forepeak tank?
It depends on the flash point
It depends on the type of trade of the vessel
Apart from red, what other colour is frequently used for a CO2 extinguisher?
How is a radio-telex traffic list transmitted:
A person slowly feel more sleepy and thirsty.The skin and slimhinner become very dry and there is a sweet taste of the breath. The glukose reaction shows positive. What kind of medicine will the person need as soon as possible?
Sugar lump, sugar drink or something sweet.
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 correct way in approaching the SPM, taking the prevailing wind, current and waves into consideration?
In the situation illustrated, what should be the power distribution of the tugs to maintain the ship sideways motion with only minor changes in the ship's heading?
Considerably more power on the aft tug than the forward tug, while monitoring the ship's gyro heading
Equal power on both tugs while monitoring the ship's gyro heading
Full power on the forward tug and the after tug ceases to push, but continuously monitor the ship's gyro heading
Considerably more power on the forward tug than the after tug, while monitoring the ship's gyro heading
It is important that the brake holding capacity of a self stowing winch drum should not exceed the breaking strength of the wire or rope wound onto it. A certain percentage of extra strength is therefore recommended for the wire or rope over the brake holding capacity of the winch. So, for a winch of brake holding capacity of 60 Tons you would order a wire of breaking strength:
You are duty officer on "A" and you are observing "B" on your starboard side. "A" is a heavy loaded tanker, while the other vessel "B" is in ballast. You would like to increase the CPA and reduce the speed to stop your vessel. You are going into the chart room to check the position. The other vessel has engine failure and stops the engine. Suddenly the two vessels are colliding, how can this happen?
It is impossible, since there is a change in the bearing
It is possible since the loaded vessel stops faster than the ballasted vessel
It is possible since the ballasted vessel stops faster than the loaded vessel
It is possible as both vessels will stop at the same rate
Can the OOW be the sole lookout?
Only during day time when visibility, traffic etc make it safe
Give the meaning of the following symbol
Survival craft portable radio
Survival craft distress pyrotechnic signals
Give the meaning of the following symbol
Survival craft distress pyrotechnic signals
Survival craft portable radio
What special safety measures are required by a seaman when working aloft on a stage?
Safety harness with a rope secured to a safe point above.
No special safety measures required.
A safety harness secured to the stage.
Helmet, safety shoes and gloves.
When will a hatch cover cross-joint wedge need replacement?
When the flat spring is bent
When the flat spring is missing
When the flat spring is rusty
You are inerting a cargo tank on an oil tanker, prior to gas-freeing for entry. What is the maximum oxygen content permitted in the inert gas main during this operation, as required by SOLAS 1974?
What is understood by the term "take the helm"?
Change the place where the lookout is standing.
Take over heaving of a rope.
Take over the steering of the ship.
Take a message to another officer.
While securing tank lids prior to loading, you notice that the packing from one is damaged and hanging down. What will you do?
Cover the damaged area of packing with silicone and secure the lid. Make an entry in the "defect log" at the end of your watch.
Push the packing back up into the channel as best as you can and secure the lid.
Secure the lid and report the damaged packing to the pumpman for changing later on.
Report it immediately to the duty officer. Notify other watchkeepers, so that the lid is not closed in error, prior to the problem being rectified.
Which category of Grocery contains most calcium per. 100 gr. eatable commodity?
Temperature sensors may be marked PT100. What does this mean?
Which is the lee side of a ship?
The lee side is the side facing the wind
The lee side is abaft the accommodation
The lee side is the side facing away from the wind
The lee side is forward of the accommodation
Training manuals for Life Saving Appliances and Fire Fighting systems and equipment shall be provided in crew mess room, recreation room or in each crew cabin. The training manuals shall explain the following in detail:
General Emergency procedures
Emergency procedures including alarm signals, general instructions and safety practice onboard, specific information on equipment, operation of equipment
Alarm signals and donning of lifjackets
Manufacturer's specific information on equipment including maintenance procedures, operation of equipment
A cable has a resistance of 1 milli-ohm per metre. It supplies a 300A load over a distance of 100 metres. What is the voltage drop along it's length?
This circuit consists of two resistances, R1 = 6 ohm and R2 = 12 ohm , connected in series. Calculate the equivalent resistance R(S) .
When LNG is used as fuel a double wall piping system must be used in the engine room. What condition should the annular space between the concentric pipes be maintained in when the fuel system is in service?
Filled with nitrogen at a pressure greater than the LNG fuel pressure.
Filled with nitrogen at a partial vacuum.
Filled with nitrogen at a pressure less than the LNG fuel pressure.
Maintained at a full vacuum.
What signal may be given by sound and by light to indicate that a vessel fails to understand the intentions or actions of another vessel, or is in doubt that sufficient action is being taken by the other to avoid collision?
Five prolonged blasts (flashes).
Three short and rapid blasts (flashes).
One prolonged blast (flash), followed by five or more short and rapid blasts (flashes)
Five short and rapid blasts (flashes).
The automatic voltage regulator is used to control the output voltage of the alternator at varying load conditions by which of the alternatives?
All of the mentioned alternatives
Regulating the voltage signal to the engine governor to regulate the speed to the desired load condition
Supplying variable current to compounding and no load transformers in the alternator stator winding circuit
Varying the excitation field strength by regulating excitation voltage/current
You are going to overhaul a centrifugal pump in accordance with the PMS. The pump is running under optimal conditions and normally operated. Which of the following parts are expected to deteriorate during normal operation and thereby be due for renewal?
The impeller and the impeller fastening nut.
Ball bearings on the pump shaft, and wear rings on pump housing or impeller.
A heavy piece of machinery is loaded on deck of a container vessel, stowed across several flatrack containers. Select the most appropriate lashing method.
All lashings to be taken to the hatch top.
Some lashings direct to the flat rack and some to the hatch top, coaming and pillars.
All lashings to be taken to the flatrack lashing points.
All lashings to be taken to the hatch coamings, pillars and lashing bridges.
Vegetable and animal oils undergo decomposition over time, generating obnoxious and toxic vapours and depleting the oxygen in the tank. What name is given to this process?
Frostbite is one of the main hazards that personnel must be aware of when working on liquefied gas carriers. Which of the given options is the recommended first aid treatment for a person with frostbite injuries to the hand?
Rub victim's hands vigorously to warm them up quickly.
Place victim's hands in hot water to warm them up quickly.
Place victim's hands on the surface of a heater to warm them up.
Place victim's hands in a bowl of lukewarm water to gradually warm them up.
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.
What gives the condenser pressure in a 1 stage direct cooling plant?
It is the seawater temperature that gives the condenser pressure in a 1 stage direct cooling plant.
It is the cargo temperature in the cargo tank that gives the condenser pressure in a 1 stage direct cooling plant.
It is the seawater flow in the condenser that gives the condenser pressure in a 1 stage direct cooling plant.
It is the cargo vapour temperature that gives the condenser pressure in a 1 stage direct cooling plant.
What kind of Crude Oils are required by MARPOL to be specifically listed in a tanker's Crude Oil Washing manual as unsuitable for cleaning by that method?
Those with highbenzene content.
Those with high basic sediment and water content.
Those with high pour point or viscosity.
Those on the IMO Oil Tanker Technical Committee COW banned list.
Apart from the shipboard emergency plan where will you find more detailed procedures for fighting container fires?
In the EmS Guide of the IMDG Code
When working in areas which requires the use of a ladder, should you:
Use a safety belt/harness and secure it to a fixed piece of equipment/ship-s structure.
All of the listed alternatives.
Secure the ladder top and bottom.
Have a person standing by at the scene/bottom of ladder.
What must loading instruments on bulk carriers of 150m in length or more display?
Depending upon what cargo is carried permeability of the foremost cargo hold
Ultimate strength of main deck plating
What indicates the correct weight of a wrongly declared container?
The ship’s loading computer
Strain gauges fitted to the shore gantry cranes
The tare weight stamped on the container
In what kind of measuring equipment might we find a Bourdon-tube?
In a temperature transmitter.
In a pressure transmitter.
What does ‘wedging’ achieve in side-rolling hatch covers?
It facilitates lowering of the panels for closing
It forces the compression bar on one panel to fit against the seal on the opposite panel
It facilitates the automatically wedging of hatch cover panels
It facilitates the automatic cleating of hatch cover panels
In a smoke filled alleyway where will the cleanest air be found, and how should you proceed out?
Sit and wait for the rescue party.
It will be the same in all parts, therefore I would just leave as quickly as possible.
Near to the deck, crawl out keeping your face as near to the deck as possible.
Towards the upper part, stand as tall as possible and walk out.
When a solid cargo that presents a hazard is offered for shipment and is not listed in the International Maritime Solid Bulk Cargoes (IMSBC) Code, who will assess acceptability of the cargo for safe shipment?
Competent authorities of the Flag State
Competent authorities at the port of discharge
Competent authorities at the port of loading
A crew member is seen to collapse on entering a cargo hold of a bulk carrier; what action should be taken?
A full emergency must be declared
Crewman to be assisted out of hold
What is a system employing a single common freshwater cooler (cooled by means of seawater) called?
High temperature freshwater system
Low temperature freshwater system
Which of these statements is correct with regard to the characteristics of cashew nut shell liquid?
It can be stored for prolonged periods without becoming rancid
Its carriage does not present any undue hazards or risks
It is sweet and odourless
The centre cargo tanks on your ship are made of stainless steel, while the wing tanks are made of mild steel with a zinc coating. Your ship is to load some Sulphuric Acid. Which tanks will it be loaded in?
It can not be loaded into any of the tanks on the ship.
Only the stainless steel centre tanks.
Only the zinc coated wing tanks.
Both the stainless steel centre tanks and the zinc coated wing tanks.
What name is given to the flow diagrams that appear in the Annex II Procedures and Arrangements Manual, which guide the user through the methods to be followed in cleaning a tank after containing a Noxious Liquid Substance?
Collection and Disposal Protocol.
Cleaning and Pumping Diagrams.
Cleaning and Disposal Procedures.
"Overshoot" is an expression related to a ship's steering ability. What is the correct understanding of this expression?
It is the way a ship turns when putting the helm in a hard over position
It is how many degrees of the compass a ship continues to turn after applying counter-rudder
It is the amount a ship moves forward after the engines are stopped
It is the way a ship continues to turn when the helm is put amidships
During overhaul of a purifier the engine room rating is instructed to drain and clean the gearbox on the machine. Which of the materials given in the options is the best one for wiping up the remaining oil in the gearbox after draining the oil?
Clean, lint free cotton rags.
Used paper towels from the wash room.
Used dish cloths from the galley.
Why are zinc anodes sometimes fitted to heat exchangers in seawater cooling systems?
To prevent fouling of the system.
To prevent scale formation in the system.
To prevent marine growth in the system.
To prevent corrosion of the metals used in the system.
The bilge holding tank level is being reduced by discharging through the OWS. What action should be taken when the oil/water interface in the holding tank is reached?
Stop the OWS and pump the oil to the incinerator tank.
Stop the OWS and pump the oil to a bunker tank.
Bypass the OWS and discharge the remaining contents of the holding tank overboard.
Continue pumping the contents of the holding tank through the OWS.
Which is the most important factor in the safety awareness of the ships crew?
The safety awareness of the senior officers
The level of emergency-preparedness
The quality of emergency drills
The shipboard training provided
Which of following are security duties?
Calibration of security equipment
Checking ID of visitors onboard
Monitoring of restricted areas
The Classes drawn up by the UN Committee of Experts for the safe handling of hazardous substances, as listed in the IMDG Code, are drawn up on the basis of which of the following criteria?
Chronological order in which they have been assessed.
Selective laboratory tests commissioned by the Committee.
The type of hazard they present.
Which of the function shown is this operational amplifier circuit performing?
What are the properties of IMDG Class 4 (Flammable Solids) cargoes?
These cargoes emit flammable gases
These cargoes are liable to spontaneous combustion
These cargoes are liable to spontaneous combustion or when in contact with water emit flammable gases
These cargoes emit toxic gases
A new joint is needed for a steam condensate drain line. What is the most suitable jointing material to use?
Cotton reinforced rubber insertion.
Wire reinforced fibre jointing.
What is the meaning of the term purification?
Separation of solid contaminants from a liquid.
Separation of two insoluble liquids with different densities, and at the same time removing of solids.
Operation as the 2.nd separator in a serial system.
What is the correct understanding of the tem "Angle of Loll" when applied to ships stability?
The angle the ship will lie when the ship has a negative GM
The maximum angle to which the ship rolls when rolling in a seaway.
The angle the ship will lie when it has suffered a shift of cargo.
The angle of heel which the ship must reach before suffering progressive flooding through deck ventilators.
Why is it important to remove all traces of salt after washing the cargo holds of a bulk carrier?
Because salt will contaminate the next bulk cargo
If not done, surveyors at the load port will be unable to properly inspect the cargo holds
Because salt encourages the corrosion of steelwork
To prepare the steelwork for painting during the ballast passage
Foodstuffs which have not been cooked or prepared in any way may be described as which of the following?
A conventional reefer vessel is loading a cargo of hard frozen palletised meat with a required carriage temperature of minus 18 degree Celsius. A thermistor at the centre of the pallets indicates the temperature to be approximately minus 10 degrees Celsius during loading. What action, from the options given, should be taken under these circumstances?
Continue loading onboard and deliver air at the lowest possible temperature to cool the cargo down to the correct carriage temperature.
Continue loading onboard at minus 10 degrees Celsius and then gradually reduce the air delivery temperature to minus 18 degree Celsius.
Return the cargo ashore for pre-cooling to minus 18 degrees Celsius.
Continue loading onboard and maintain the air delivery temperature at minus 18 degrees Celsius.
In respect of a chemical tanker, carrying category "X", "Y" and "Z" Noxious Liquid Substances, what is understood by the term "Clean Ballast" as defined in the IBC Code?
Ballast water carried in a tank which, since it was last used to carry a cargo containing a substance in category "X","Y" or "Z", has been thoroughly cleaned and the residues resulting there from have been discharged and the tank emptied in accordance with the appropriate requirements of Annex II.
Ballast water carried in a tank which has been previously washed in accordance with the requirements of the Procedures and Arrangements Manual.
Ballast water that is free of all cargo residues and slops.
Ballast water introduced into a tank permanently allocated to the carriage of ballast or cargoes other than oil or Noxious Liquid Substances as variously defined in the Annexes of the MARPOL Convention and which is completely separate from the cargo and oil fuel systems.
LNG carriers are usually designated as Type 2G vessels according to the IMO IGC code. In relation to the 'Ship's Survival Capability' what is the level of preventative measure for cargo escape required for this type of vessel according to the Code?
Maximum preventative measures.
Minimum preventative measures
Moderate preventative measures.
Significant preventative measures
Furniture in stairways and corridors shall be kept to a minimum on board passenger ships, why?
Escape routes must be clear of obstructions and also due to fire protection
It is not allowed to sit in stairways and corridors
Passengers will most probably sleep in stairways and corridors if they are furnished
A standard outside micrometer requires regular maintenance, including calibration, in order to ensure accuracy of measurement. How is the accuracy of this type of instrument normally checked? Select the answer from the options given.
By checking the distance between the micrometer anvil and spindle with an inside micrometer.
By measuring a standard gauge block or rod at a common temperature.
By checking the distance between micrometer anvil and spindle with an inside vernier gauge.
By trying a go/no go gauge between the micrometer anvil and spindle at maximum opening at a common temperature.
What is the maximum allowable tank design pressure in the vapour space for Independent tanks type "A"?
On a container vessel what action should be taken if a tank container of liquid ammonia is engulfed in fire
Dry chemical must not be used to extinguish the fire
Water must not be used to cool the container
What English name is given to a kind of heavy-duty, wide-bladed knife, used for dividing joints of meat or poultry and which is much favoured by cooks of far-eastern nationalities for a wider range of cutting tasks?
What is the definition of "Mole"?
A substance capable of causing canser.
A graphic method of representing the heat quantities contained in air.
The volume occupied by one molecular mass in grams.
The mass that is numerically equal to to the molecular mass.
What is the definition of sludge control?
The cargo tanks are to be washed that often so recidues do not accumulate in large quantities.
The sludge is controlled by use of special instruments.
This is done in port by a special sludge control squad.
Visual control of the sludge.
This circuit is a logic gate with two input signals, A and B, and one output signal Q. Which type of logic function is the gate giving?
When we are measuring salinity with a salinometer, the sensing device is:
Are we allowed to load ammonia on inert gas?
We are not allowed to load ammonia on inert gas except when the inert gas is dry enough
We are not allowed to load ammonia on inert gas
We are allowed to load ammonia on inert gas if the inert gas has dew point less than 0oC
Ammonia can be loaded as long as the cargo tank is liquid free of last cargo
When preparing to ballast the double-bottom tanks of a General Cargo Vessel, which of the following must be done?
All tanks ballasted at the same time
All cargo operations completed
The Chief Officer's ballast plan followed exactly
Ensure that the vessel is kept on an even keel throughout the operation
In which of the following processes will the time constant be of minor importance
On a RoRo vessel, what is the Maximum Securing Load of mild steel shackles?
35% of the breaking strength
40% of the breaking strength
50% of the breaking strength
25% of the breaking strength
In which cases shall side scuttles in passenger ships be so constructed that they cannot be opened without the consent of the master of the ship?
Where the height of the side scuttles go through more than two decks
Where the sills of the side scuttles are below the margin line
Where the sills of the side scuttles are less than 500 mm above the deepest load line
Where the sills are mounted below the bulkhead deck
Which of the cargoes given in the options would you expect to be most suited for loading onto a conventional reefer vessel designed with side loading doors?
An oil tanker's tank-cleaning machine with a rotational speed of 1 rpm and a slected pitch angle of 1.5 degrees is used to perform a bottom wash with a vertical angle from 40 degrees to 0 degrees for 1.5 cycles (3 passes). If the throughput of the machine at design pressure is 90 m3/hr, what will be the washing time and quantity of crude oil required?
40 minutes and 60 cubic metres of oil.
48 minutes and 70 cubic metres of oil.
30 minutes and 45 cubic metres of oil.
36 minutes and 48 cubic metres of oil.
When a crew member maintains a good standard of individual cleanliness and avoids contact with sources of contamination, which of the following is he said to observing?
What is the normal slow down/shutdown temperature for the jacket cooling water outlet from a diesel engine cylinder?
Many large slow speed diesel engines operating on heavy fuel oil have a fuel injection system which features Variable Injection Timing. How does this affect engine operation?
VIT allows the ship's engineers to alter the injection timing for each load setting with a simple single adjustment of the fuel rack.
VIT increases engine efficiency by automatically maintaining the maximum cylinder pressure over the entire load range.
VIT increases engine efficiency by automatically maintaining the maximum cylinder pressure over part of the load range.
VIT improves engine operation by automatically controlling the start of fuel injection when it detects a poor quality fuel.
What is the minimum Initial Transverse Metacentric Height (GM) allowed under the International Load Line Rules?
The oils used for medium and high speed diesel engine lubrication usually have alkaline additives which give the oil a Total Base Number of about 30 to 40 mg KOH/g. Why is it necessary to have such a TBN for these oils?
To counteract the effects of fuel leaking into the crankcase.
To allow operation of the engine on a variety of fuel types.
To increase the load carrying capacity of the oil.
To neutralise the acids formed during combustion.
High-level alarms are always switched on during loading operations. Is it necessary to have them switched on during discharge operations on a chemical tanker?
The only way a high level alarm will activate during discharge is as the set level is passed as the tank empties. It is therefore of no value to have them switched on.
No, the alarms are only of value and significance for an increasing liquid level such as is found during loading.
Yes, there is still a risk of overflow if several tanks are connected to a common line system.
It is wholly the choice of the Officer of the Watch whether he uses high level alarms during a discharge operation.
What is the colour of the smoke signal used by life-saving stations or rescue units indicating that distress signals are observed in daylight?
Having a CO2 alarm during normal working hours, what immediate action should be taken?
Get into the control room.
Get out of the engine room as soon as possible.