Тест состоит из случайных вопросов по выбранной теме.
Which of the following is a precautionary measure to prevent fire:
Storing rags impregnated with oil in closed containers
The proper operation of an Inmost C-terminal can be tested by:
Sending a message to MF DSC
Doing a “recommissioning test”
What is the correct statement conserning the literweight of flammable products ?
The literweight will be the same regardless of temperature.
Higher temperature leads to higher literweight.
Higher temperature leads to lower literweight.
Lower temperature leads to lower literweight.
With an increase in temperature the volume of flammable and combustible liquids :
Remains constant if pressure remains constant
A vessel berths at two different jetties under the influence of a 1 knot beam current. At the first jetty the ship has an underkeel clearance of 5 times the draught and at the second the underkeel clearance is only 0.5 times the draught. If the current exerted a force of 50 tonnes on the ship at the first jetty, what would be the approximate force exerted at the second if the draught is the same?
Unchanged, remains at 50 tonnes
In the situation illustrated, what should be the distribution of the power requirements from the tugs, if the ship is to be moved sideways without changing the heading? Both tugs have similar bollard pull and are of conventional propulsion.
Much greater power on the forward tug than on the after tug while monitoring the gyro heading
Equal power required by both tugs, but monitor the gyro heading to ensure sideward movement only
It would be very difficult to predict the power requirements in this circumstance and it could only be found by observation.
Much greater power on the aft tug than on the forward tug while monitoring the gyro heading.
Should recommended route information be used in conjunction with weather routing?
Only if recommended by weather routing
What kind of safety equipment must be worn during anchoring?
All of the mentioned equipment.
Boiler suit, working gloves.
Safety helmet, safety shoes.
Under MARPOL 73/78 what category would wet kraft paper remaining on board, constitute?
Why are handrails in ro-ro decks painted?
To prevent personal injury
To facilitate cargo operations during the hours of darkness
To highlight deck walkways
To prevent contact with vehicles
The DoS addresses the responsibility for the security of the water around the ship and the verification of increased threat levels.
The inert gas system shall be capable of delivering inert gas to the cargo tanks at a specified percentage in relation to the cargo discharge rate. What is that percentage?
Equal to the cargo discharge capacity.
At least 135% of the maximum discharge capacity.
At least 150% of the maximum discharge capacity.
At least 125% of the maximum discharge capacity.
Your vessel is progressing within a Traffic Separation Scheme and receives a navigational warning of another vessel progressing the wrong way within the scheme. What actions should be taken on the bridge, if any?
Use the Arpa for early identification of all other ship movements within the traffic lane and give rogue vessel a wide berth
Move out of the traffic lane towards the coast.
Slow down your vessel and proceed with caution, posting extra lookouts.
Take no actions but proceed with extra caution.
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
Where is the "PORT QUARTER", in the figure?
The Port quarter is A, in the figure
The Port quarter is C, in the figure
The Port quarter is B, in the figure
The Port quarter is D, in the figure
In a fresh water tank with a height of 5 meters we shall use a pressure transmitter for level measurement. The tank has a vent-pipe leading to deck 8 meters above the top of the tank. What pressure shall we use as a guidance when ordering the pressure transducer?
During inspection of a medium speed diesel engine main bearing the shell is found to have approximately 15% of the white metal overlay worn away and some light score marks on the exposed aluminium tin bearing metal. Select the most appropriate action to take from the given options?
Refit the shell as it is, this is an acceptable condition for a thin shell bearing after a period of service.
Use a scraper to remove the score marks from the bearing metal before refitting the shell.
Use a scraper to remove the remaining overlay before refitting the shell.
Discard the damaged shell and polish the journal pin before fitting a new shell.
During inspection of the main bearing shells and housings of a medium speed diesel engine it is found that there is evidence of fretting at some of the bearing shell joint faces, the bearing housing joint faces and also between the back of the bearings and the bearing pocket. From the options given which is the most likely cause of these defects?
Running the engine overloaded.
Excessive tightening of the main bearing bolts
Operating with a faulty torsional vibration damper.
Insufficient tightening of the main bearing bolts.
What would you suspect has happened if the lubricating oil for an air compressor has a milky white appearance?
Water contamination of the oil.
Wrong grade of oil has been used.
Oil temperature has been too high.
Air contamination of the oil.
What action should be taken by the Officer of the Watch when the GPS fails?
Stop ship until it is repaired and fully functional
Inform the technical officer responsible for the electronic navigational equipment and continue on passage using alternative navigational methods
No special action needs to be taken, just continue on the passage and wait for it to be fixed.
On a RoRo vessel, what are sea sloshing forces proportional to?
The overall breadth of deck cargoes
The maximum breadth of under-deck cargoes
The maximum height of under-deck cargoes
The overall height of deck cargoes
What is the meaning of the term "Steady as she goes" when acting as helmsman?
Reduce the number of helm movements used when steeriing a set course
Try to reduce the continuous swinging either side of the course when steering a compass course.
Keep the applied rudder constant until the next helm order.
While altering the ships head, the instruction "steady as she goes" means reduce the ships swing as rapidly as possible and steady on present course
What is mean by bulk Grain cargoes have a low angle of repose?
Likely to produce toxic gas
What is the main purpose of routine testing of cooling water?
To ensure that the proper residuals of treatment chemicals, as specified, are maintained at all times
To detect dissolved oxygen in the water
To measure the pH - value of the water
To detect presence of contaminants in the water
Who is responsible to ensure that all personnel on board are provided with suitable Personal Protective Equipment where it is needed?
A ro-ro unit weighing 2mt is to be loaded in the fore and aft direction and lashed by belts of SWL 0.6mt. How many lashing belts should be used to secure the unit?
What action should the Master take if he is suspicious of an Officer’s certificate of competency?
Contact the local Harbourmaster-s office
Contact the issuing authority via the company office
Accept it without question
What is the correct understanding of the term "FAIRLEAD"?
The access point where mooring lines are lead when making fast to the shore.
A fairlead is the hole through the deck where the anchor chain passes into the chain locker.
A fairlead is the direction that a mooring rope makes from the ship when made fast to the shore.
A fairlead is the hole through the ships side through which the anchor chain passes.
Indicate the correct name for the part marked on the sketch:
Emergency instructions in appropriate languages shall be posted in passenger cabins. Which information shall as a minimum be included in the emergency instructions?
The method of donning life-jackets, escape routes and alarm signals
Where to find thermal protective aids
Escape routes and alarm signals
Who must sign (and countersign) entries in a Cargo Record Book which documents cargo and cleaning operations on a chemical tanker?
Each completed operation shall be signed for and dated by the officer or officers in charge and, if applicable, by a surveyor appointed by the competent authority of the State in which the ship is unloading. Each completed page shall be countersigned by the master of the ship.
Each completed operation shall ner signed for and dated by the Officer or Officers of the Watch on which the operation took place. Each completed page shall be countersigned by the chief officer or the master of the ship.
Each operation shall be signed and dated by the officer or officers in charge and countersigned by the master of the ship. An entry and stamp shall be entered by the Responsible Person from the vessel's Management Office upon periodic inspection.
Each completed operation shall be signed for and dated by the pumpman or pumpmen instructed to carry out the task and countersigned by the officer in charge. A surveyor or superintendent may additionally sign to indicate that he has witnessed a particular operation.
What is the purpose of the accumulation test required by Classification Societies for boiler safety valves before the valves can be approved?
To check the pressure at which the safety valve will reset.
To check that the valves have sufficient discharge capacity when operating to limit the build up of pressure when the boiler is on full firing rate.
To check how high the boiler pressure will go before the safety valve operates.
To check that the maximum firing rate can raise the pressure above normal working pressure.
Some process control systems may several inputs and controlled variables. In this context what is meant by split-range?
Several controllers are connected to the same control-valve
Several control-valves are connected to the same controller
Several control-loops for the same range
What is the main purpose for taking diesel engine crankshaft deflections?
To check for weardown of the bottom end bearings.
To check for weardown of the main bearings.
To allow calculation of the load on each of the bearings.
To check that the shafting is in a straight line.
The use of a chemical additive to induce a chemical reaction and so expedite the cleaning of a cargo tank on a chemical tanker is a common operational technique. What is the chemical term for the substance used in such a procedure?
What is another term for ‘Cargo Sweepings’?
During a ballast voyage, the fuel consumption is noticeable higher than normal and all pressures and temperatures is normal, may the reason to this be:
Long time since the last overhaul.
When a vessel arrives at a port to pick up a pilot and enter harbour, there should be someone required to stand by the anchor forward. How should the anchor be prepared and ready?
The brake may be insufficient to hold the anchor, so leave everything in place except the cement/covering of the chain locker
The brake securely applied, all cement/covering into the chain locker and securing arrangements from windlass removed. The guillotine can remain for removal when ready
The use of the anchor will not normally be required when going straight into port, so the anchor does not need to be prepared, but left ready for going back out to sea.
Leave the brake on securely.
"Passivation" is a restorative process periodically applied to stainless steel tanks on a chemical tanker. What effect does this process have on the steel surface?
It causes a chemical reaction, which produces a new inert Chromium Oxide layer on the surface of the steel.
It restores and reforms the passive Chromium Hydroxide surface layer.
It restores the surface steel to an even and smooth finish, thereby encouraging drainage during discharge.
It restricts active corrosion on the surface steel.
The instrument air system is suffering from excess water carry over to the instrument air lines. The air intake to the compressor has very high humidity. Which of the actions given in the options will most likely result in reducing this problem?
Use an additional coalescer filter in the inlet to the instrument air filter system.
Shorten the time between automatic receiver drain blow downs.
Reduce the superheat setting on the instrument air refrigeration/dryer unit.
Increase the cooling water flow through the compressor intercooler and aftercooler.
Under which MARPOL category are vegetable oils classified?
Vegetable oils are not classified under the MARPOL categories.
Category "OS" (other substances).
What does a low angle of repose indicate with respect to a bulk cargoes?
The cargo is stable in all situations
The cargo Is liable to self-heat
The cargo is more liable to shift than cargo with a high angle of repose
The cargo is unlikely to shift
How many lifejackets are required in a passenger cabin?
Same number as beds in the cabin
Twice the number of beds in the cabin
Non, they will be handed out at the muster station
How should pipes, rails and road sections be stowed?
Always in the athwartships direction
Fore and aft when practicable
Athwartships when practicable
When discharging a liquefied gas carrier it is normal to leave a small amount of liquid cargo in the tanks. This is then used to help keep the cargo tanks cold on the ballast voyage. What is the normal term used for this small quantity of cargo that is left in the tanks?
When would you not expect large roll amplitudes on a Panamax container ship?
When the ship is experiencing near head seas.
When the ship is experiencing seas 45? on the bow.
When the ship is running before the seas
When the ship is experiencing beam seas
Thermocouples are often used for measuring temperatures. Which of the following descriptions are valid for a thermocouple?
A junction between two dissimilar metals generates a small voltage.
A semi-conductor device that exhibits a negative coefficient of resistance with temperature.
A resistance device that exhibits a positive coefficient of resistance with temperature.
A quartz crystal that changes its resonant frequency with temperature.
What is Breaking Stress with regard to cargo lashings?
The maximum stress that can be applied to a cargo lashing
The maximum load that can safely be applied to a cargo lashing
The safe working load of a cargo lashing plus 10 percent
The load beyond which a cargo lashing will deform
A medium speed diesel engine, operating on heavy oil has suffered repeated exhaust valve failure. Upon inspection damage is noted on the underside of the valve resulting in some cases in holes passing through the valve even though the seating face appears hardly damaged. Which of the given options is the most likely cause of this type of damage?
High temperature corrosion due to high vanadium content in the fuel oil.
Failure of the valve rotators causing distortion of the valve seat.
Incorrect tappet (rocker arm) clearance preventing the valves from closing properly.
Cold temperature corrosion due to high sulphur content in the fuel and incorrect grade of cylinder lubricating oil.
What is the approximately efficiency of the ejector?
The ejector's efficiency is between 60% and 70%.
The ejector's efficiency is between 30% and 40%.
The ejector's efficiency is between 70% and 80%.
The ejector's efficiency is between 20% and 30%.
You are alongside and the hoses have been connected for discharge. The jetty-man shouts across to you, telling you to start cargo. The Duty Officer has not yet given you any instructions to commence. What will you do?
Open the valves and start discharge as soon as possible.
Advise the jetty-man that there is a problem on board and you will notify him when you are ready.
Ignore the jetty-man. Do nothing.
Advise the Duty Officer and await further instructions. Ask the jetty-man to stand by.
What is the purpose of the relief valves fitted to the doors and casing of 2 stroke diesel engine crankcases?
To relieve excess pressure in the crankcase resulting from piston rod gland leakage.
To maintain a constant pressure in the crankcase.
To relieve excess pressure in the crankcase resulting from a crankcase explosion.
To release any vapour formed by lubricating oil coming into contact with a hot spot and so avoid overpressure in the crankcase.
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 will happen if a centrifugal pump is not fitted without a non-return valve on the delivery side?
The pressure above the pump will be extremely high.
The capacity will be reduced.
It will give full back flow at the time the pump stops.
Nothing special will happen.
What should you take into consideration when discharging from the cardeck(s)?
Discharge the upper car decks first
Always discharge the cargo on port side first!
To discharge evenly from each side, to avoid heavy list
Discharge the lower car decks first
What do you understand by the order: "Move the pilot ladder to the other side"?
Move the pilot ladder to the other side, means: to shift the pilot ladder to the opposite side of the ship.
Move the pilot ladder to the other side means: to change the position of the pilot ladder from the main deck to the fore deck.
Move the pilot ladder to the other side means: to rig another pilot ladder
Move the pilot ladder to the other side means: to move the pilot ladder further along nearer to the bow.
The wire mesh guards for the fans of refrigerated containers sometimes have coloured ribbons tied to them. Which of the options is the reason for fitting these ribbons?
To indicate if the fan is running too slowly.
To indicate that the fan is running in the correct direction.
To indicate to the crew that the fan is running as a safety consideration.
To indicate that the fan is running at the correct speed.
Which of the following is an artificial sweetener?
What can be the punishment for a subordinate who unlawfully brings intoxicating beverages on board?
He shall be liable to fines or in especially aggravating circumstances to imprisonment for a term not exceeding 6 months.
He shall be liable to imprisonment for a term not exceeding three months.
He shall be liable to fines.
He shall be liable to fines or in especially aggravating circumstances to imprisonment for a term not exceeding three months.
Liquefied gas is, by IMO, divided into different groups. What is the criterion for this division?
The boiling point, chemical bindings, toxicity and flammability.
The hydrocarbon and nitrogen content.
What would indicate the onset of Parametric Rolling?
When the wave encounter period approaches the natural roll period of the ship
When twice the wave encounter period approaches the natural roll period of the ship
When wave heights experienced from either quarter exceed 6 meters
When wave heights experienced from the bows exceed 6 meters
TBN - total base number from a lube oil test, indicates the:
Amount of organic acids in the oil.
Amount of contaminants in the lubricating oil.
Alkalinity of the lubricating oil.
The sign on the image indicates:
Location of immersion suit(s)
Location of boiler suit(s)
You should wear warm clothes in this area
You should wear immersion suit when working in this area
A vessel is scheduled to enter a SECA during a forthcoming voyage? What additional considerations must a Chief Engineer take into account when planning for this voyage?
That all garbage is fully disposed of prior to entry into the SECA and suitable arrangements are made for retention while in the SECA.
That there is sufficient room in the bilge holding tank to ensure no discharges of machinery space bilges takes place while the vessel is in the SECA.
That the incinerator is shut down for the duration of the time the vessel is in the SECA.
The availability of low sulphur fuel and the change over time required to ensure the system is clear of normal fuel prior to entry into the SECA.
Which of the following temperature sensors normally gives the highest measuring accuracy?
On fully pressurised liquefied gas carriers the cargoes are usually carried at atmospheric temperatures. Is frostbite still a hazard on such vessels if there is leakage from the cargo pipe system?
Yes, but only if cargo vapour contacts the skin.
No frostbite is only a hazard when cargoes are refrigerated.
No, the cargo will vapourise and disperse quickly.
Yes, the liquid will flash off to its' fully refrigerated tempearature.
As part of the regular maintenance for a paramagnetic oxygen analyser used for measuring the oxygen content of exhaust gas it is important to keep the sample line filter as clean as possible. Why is this necessary with this type of instrument?
The filter may rupture due to the high pressures generated by the sample pump.
The pressure drop across the filter may damage the sampling pump.
A high flow rate is required in order to deflect the sensing element.
Pressure variations in the sample chamber can cause errors so restrictions must be kept to a minimum.
At what temperature should Intermediate Fuel Oil (IFO) 180 be maintained so as not to damage a bulk cargo of grain?
What may be the cause of black smoke from the funnel?
The fuel oil has not been adequately heated.
Incomplete combustion owing to wrong mixture of air and oil.
The fuel oil is of inferior quality.
An electrically operated turning machine is used during repairs while the engine is running.
What additional stability information is required before a bulk carrier can load a full cargo of grain?
Grain loading conditions must be shown and the vessel is in possession of a Document of Authorization
The information is in a standard stability book should be sufficient to calculate a grain condition.
A bulk carrier cannot load a grain cargo
No additional conditions are required to be shown
Records relating to breaches of security and changes in security level must be secured against unauthorized access and available for review by contracting governments.
Which of the following cargoes must be maintained at the highest temperature when carried on a chemical tanker?
What is usually the effect on G when the ship is damaged?
It first rises and then lowers.
After successful synchronising the kW and kVar loading are respectively transferred by the following controls:
Current regulator and voltage regulator
Speed governor and load power factor
Voltage regulator and synchroscope
Speed governor and voltage regulator
How would a ship drifting onto a rocky shore, be communicated?
"My ship is drifting into danger"
"My ship requires tug assistance"
"My ship is not under command"
What letter is represented by this flag and what is it's meaning when displayed by a vessel in port?
P - All persons should report on board as the vessel is about to proceed to sea.
W - All persons should report on board as the vessel is about to proceed to sea.
S - I am operating astern propulsion.
Why should ro-ro passenger ships be subdivided into main vertical zones?
To comply with passenger safety, cargo safety and hull integrity training defined in the STCW convention
To comply with specific provisions for fire integrity defined by the Classification Society
To comply with specific provisions for fire integrity defined in SOLAS and to ensure safety of passengers and crew in case of a fire
To comply with company specific standards defined in the Safety Management System
With regard to fire hose boxes and/or fire hydrants, what must be ensured upon completion of cargo loading operations on a General Cargo vessel?
Fire hydrants must be accessible at all times
Fire hose boxes must be lashed so as to prevent accidental opening
Fire hose boxes must be accessible at all times
Fire hose boxes and fire hydrants must be accessible at all times
What measures regarding ship stability should be taken in order to make passenger ships able to withstand critical damage?
Damaged stability to be increased by weight redistribution.
Avoid overloading the ship
Damaged stability to be increased by use of water ballast
Maintain sufficient intact stability
By what means can we monitor and control the integrity of the hull?
The chief officer is responsible for monitoring the integrity of the hull and superstructure at all times
Let experienced personnel close and secure doors and ramps
Automatic detection systems, television surveillance and patrolling of ro-ro cargo spaces
Documented operating procedures
According to the IAMSAR Manual, what is the expected survival time for a person in water of 4-10 degrees Celsius, without special protective clothing?
What is the purpose of "fire wires" on an oil tanker and when would they be positioned?
They are quick release wires used in port that can be automatically let go from on board if there is an emergency in the terminal
They are lines postioned at the bow and at the stern of a tanker in port, for the purpose of towing the ship off the berth in an emergency
They are wires hung overboard when at a berth or an anchorage for securing fire tenders and other emergency craft alongside in the event of a fire onboard
They are the control wires that run from the manual control points on deck to remotely start the emergency fire pump
Which of the below structures of bulk carriers are considered critical?
Upper and lower connection of main side frames
Longitudinal deck plating outside hatches
How should dunnage be laid, prior to loading a Caterpillar Tractor?
Only at the extreme ends of the tractor’s wheels
Athwartship under the tractor’s wheels
Athwartship at the ends of the tractor’s wheels
Fore and aft under the tractor’s wheels
The demister unit is located close to the inert gas scrubber. What is the purpose of the demister?
To remove sulphur oxides.
To remove water from the IGS stream.
On a conventional reefer vessel fitted with wooden hatch boards (gratings) which of the operations given in the options is the most likely to cause the greatest damage to the hatch gratings?
Loading or discharging break bulk fruit in cartons.
Loading or discharging palletised fruit using pallet jacks.
Loading or discharging break bulk (loose) frozen lamb carcasses.
Loading or discharging motor cars.
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.
Which of the following cargoes can normally be loaded next to each other in the same space of a General Cargo vessel?
Drums of cement and bagged milk powder
Drums of cement and steel pipes
Pallets of pesticides and bagged grain
Rolls new carpets and drums lubricating oils
For ideal synchronising, the phase angle difference between the incomer e.m.f. and the busbar voltage should be:
After smoking cigarettes they should be disposed of as follows:
Dropped over the lee side only so that it cannot blow back on on board
Dropped over the side only if you are certain they are extinguished.
Dropped into a waste bin.
Disposed of in an ashtray and ensuring that it is extinguished.