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When 3 phase alternators are operating in parallel, it is very important that the reactive load is evenly shared so that the total alternator loads are evenly shared. If the total alternator load is the vector sum of active and reactive loads, which side of vector diagram (power triangle) shown represents the reactive load?
None of the mentioned alternatives.
Which type of compressors is used as cargo compressors onboard gas carriers?
Oil free piston compressors.
Three stage piston compressors.
Piston, screw and centrifugal type compressors.
Three stage screw compressors.
The frequency 121,5 MHz is used for:
What are the compressors fitted as part of the cargo system onboard LNG carriers normally used for?
Inerting and gas freeing the cargo tanks.
You have just joined a chemical tanker. Where would you find a description of the ship’s cargo handling equipment, details on the ship’s cargo unloading procedures and tank stripping and details on procedures relating to the cleaning of cargo tanks, the discharge of residues, ballasting and deballasting?
The Annex II Procedures and Arrangements Manual.
The applicable equipment manufacturer’s maintenance and operation manuals.
The Cargo Handling Logbook.
What is a good practice when lineblowing/pigging from shore?
There must always be one man on the ship’s office, operating the manifold valve in order to avoid to much pressure raise in the tank.
Just leave all valves open and let the shore control the blowing.
There must always be one man on the ship’s manifold, operating the manifold valve in order to avoid to much pressure raise in the tank.
There must always be one man on the ship’s bridge, operating the helm in order to avoid to much pressure raise in the tank.
Can a British Consular official detain a vessel whilst in a foreign port?
Yes – any consular official can detain a vessel.
Only the most senior consular official can detain a vessel.
Only if he is also a Marine Officer, or on instruction from the MCA.
Not under any circumstances.
On a RoRo vessel carrying no more than 36 passengers, what is the minimum capacity of the ventilation system protecting standard cargo spaces intended for carriage of motor vehicles with fuel in their tanks for their own propulsion.
What is the correct name of the tool shown in the sketch?
What is the main responsibility of a bridge lookout at night?
Inform the bridge of any new lights when they appear over the horizon or any other items observed which may affect the ship.
Inform bridge of changing weather patterns.
Inform bridge of any lights when they appear over the horizon.
Inform bridge of any other ships observed, which appear to be getting closer to your own ship.
Feed check valves for main and auxilliary purposes are normally of the double shut off type, as shown in the diagram. What is the main function of the non-return valve?
To prevent the steam and water in the boiler from discharging out by the feed line, if a feed line fracture or a joint in the line blows.
To increase the workload for staff when overhauling the boiler.
To allow overhaul of the screw down valve when the non-return valve is shut and the boiler is steaming.
To allow fine tuning of feed water flow to the boiler.
On board a DSC-call is to be made in case of an OBS. Choose the category:
Other than the official log book what other publications must be carried on board of a vessel?
ISGOTT, SOLAS, MARPOL, Bridge Team Management, OCIMF Mooring guidelines.
The official log book and crew agreement are the only two publications which must be carried on board.
Charts, nautical publications, GMDSS log, Oil Record book(s).
All technical books relevant to the machinery currently on board.
You are the Officer in Charge during the loading of a tanker at a terminal in the Persian Gulf. The deck watchman reports “There is a lot of oil on the water to starboard”. What should be your FIRST action?
Tell the jettyman to stop loading immediately.
Check the Oil Discharge Monitoring Equipment (ODME).
Find out if the oil is coming from your vessel.
What is the purpose of the “Mud Box” on a tanker?
It is at the end of the pipeline in the tank and restricts any particles and solids entering the pipeline system.
It is the waste collection box in the store rooms.
It is the box near the windlass to deposit the mud from the anchor and anchor cables.
It is the box under the manifold to catch spills when connecting the discharge or loading hose.
With two alternators operating in parallel at 75 % load capacity, one trips without any warning. What is the first action that should be taken?
Check the circuit breaker of the tripped alternator.
Start and connect the emergency alternator.
Trip/stop all nonessential loads that are connected to the switchboard.
Restart the tripped alternator immediately.
How will you calculate transverse accelerations?
Multiply the values taken from tables 2, 3 and 4 of the Cargo Stowage and Security (CSS) Code.
Multiply the values taken from tables 3 and 4 of the Cargo Stowage and Security (CSS) Code.
From formulae given in the Cargo Securing Manual (CSM).
Rule of thumb and past experience.
Which is the “Fairlead”, in the figure?
The Fairlead is indicated by C, in the figure.
The Fairlead is indicated by D, in the figure.
The Fairlead is indicated by B, in the figure.
The Fairlead is indicated by A, in the figure.
The following DSC was received (at what time received?) 27.05.1997 23:23 CALLED VHF CH70 FORMAT: DISTRESS DIST-ID: 367449000 N OF: UNDESG DISTRESS POSITION: N 52,43 E04.maj DIST-UTC: 00:00 TELECOM: G3E SIMP TEL EOS: EOS.
Which international regulations govern the disposal of waste material, including galley waste, from ships?
The Industry Best Practise Guide for Restaurant Management.
Falls used in launching shall be turned end for end at an interval of not more than X months and to be renewed not later than every Y years, where the intervals are:
If a seaman has to walk across a stow of cartons containing perishable foodstuffs what should he do to minimise the risk of damage to the contents? Select the most appropriate option from those given.
He should step on the edges of the cartons.
All parts of the carton are of equal strength and therefore it doesn’t matter which part he steps on.
He should step on the comers of the cartons.
He should step on the middle of the cartons.
On the figure possible definitions of the term “HEIGHT” are given. Which one is the correct one?
Height is given by D on the figure.
Height is given by C on the figure.
Height is given by B on the figure.
Height is given by A on the figure.
Which one of the following items has to be included in an abandon ship drill?
Lowering of at least one lifeboat after any necessary preparation for launching.
Manoeuvring the lifeboat in the water.
Launching and recovery of a survival craft.
Starting and operating radio life-saving appliances.
According to SOLAS Regulation all dedicated seawater ballast tanks on oil tankers shall have an efficient corrosion prevention system such as hard protective coatings or equivalent. With regard to coatings do SOLAS set any requirement to colour?
Preferably light red colour.
What is the meaning of the following symbol?
Close rescue boat ventilation aperture.
Secure liferaft canopy closing device.
A coated tank holds 400 tons of sea water when filled. How many tons of liquid of liter weight 0,9300 will it hold when filled to 90 % capacity?
The picture shows a common used 3,5 inches diskette type for storing data. What is the data storing capacity for such diskette?
The Master is responsible that all crew participate in monthly emergency drills. If 25 % of the crew (or more) has not participated in such drill during the last month, what is the time limit to conduct such a drill after the vessel has left a port?
At what calendar interval must lifting appliances on board a vessel be suitably tested by a competent person?
Who shall carry out the detailed preliminary supervision of maritime service of seafarers before the commencement of service?
The seafarer’s home labour authorities.
The Norwegian Ship Control.
This circuit consists of two resistances, R1 = 6 ohm and R2 = 12 ohm, connected in series. Calculate the equivalent resistance R(S) of the two resistances.
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.
Escape routes and alarm signals.
Where to find thermal protective aids.
How can the error of the Gyro compass be determined?
By comparing the course readout on the GPS with the gyro course steered.
By using any of the methods in the suggested answers.
By taking the radar bearing of an object when the radar is on a compass stabilised mode and comparing it with the bearing on the chart of the same object.
By taking a transit bearing with the gyro compass of two prominent fixed shore objects and comparing it with the bearing of the same objects on the chart.
What should you do if the temperature of Hydrogen Peroxide Solution 65 % carried is raising 2 °C per 5 hours and the temperature is above 40 °C?
No special action to be taken.
To avoid uncontrolled decomposition the cargo should be discharged overboard.
The cargo should be heated up to 45 °C.
The cargo should be monitored closely for the next 12 hours.
Which is the “Windlass”, in the figure?
The Windlass is indicated by D, in the figure.
The Windlass is indicated by C, in the figure.
The Windlass is indicated by A, in the figure.
The Windlass is indicated by B, in the figure.
Why are all RoRo passengers ships divided into vertical “zones”?
Vertical zones are fire zones which can be divided from each other with fire doors. In case of fire, all fire doors in front and aft of the fire will be closed to prevent spreading of smoke/fire.
Vertical zones are separated with fire doors which will be closed automatically when the fire alarm start.
All vertical zones are separated with watertight doors, which will be closed in the case of a grounding, etc.
There is one fire team in each zone.
According to the IMO Gas Codes, what is the minimum number of “Firemen’s outfits” required to be carried on an LNG carrier (gas tanker) with a cargo capacity above 5 000 m3?
A drip tray containing oil is on fire. The only fire fighting equipment available is water hose with spray jet/spray nozzle. How, if at all, should you attempt to put out this fire using water?
Water should be applied in a jet to the back of the fire.
Water should be applied to the oil in a single jet only.
Water should not be used on any type of oil fire.
The water can be applied in a fine spray starting from the front in a sweeping motion.
You are in an area of restricted visibility and hear this signal. It is repeated at two minute intervals. What does it indicate?
That there is another vessel nearby, that she is underway, but stopped and making no way through the water.
That there is another vessel nearby, but that she is at anchor.
That there are two more vessels nearby.
That there is another vessel in the vicinity and that she has just altered course to port.
If your vessel was to load sugar which of these situations would result in the cargo holds failing inspection?
Traces of insect infestation in the bilges.
Hardened rust spots on shell plating.
Hardened rust spots on the lower bulkhead stool and hopper tank plating.
Rust-stained tank top plating.
If oil flows out of the bowl casing drain of a solids ejecting separator what is the most likely problem?
Oil has been fed to the separator before full speed.
The flow rate is too high.
The sludge tanks is full.
Insufficient amount of bowl closing water.
Sea area A4 is in maritime radio traffic sea area:
Outside the sea areas A1, A2 and A3.
With the exception of sea areas A1, A2 and A3, within the range of Inmarsat-satellites, where continuous alarm is available.
Within VHF-radiotelephony-range of a coast station, where continuous DSC-alarm is available.
In case of diesel driven fire pumps, for how long shall the fuel tank capacity allow the pump to be run at full capacity? (SOLAS II-2/4.3.3.2.3).
Between a complete removal and a renewing of floor polish what can you do to maintain a PVC floor surface?
By using the softest of the pads on the disk and dry scrub.
By soft machine scrubbing with red pad and a renewing of polish only where there is heavy traffic (f. i. in the middle of corridors and not the whole floor).
Apply an extra layer of polish every month.
By using soft machine scrubbing once every fortnight and wash with a solution of water and polish.
If the heat transfer capacity in a heat exchanger is dropping, the following action should be taken:
Clean the heat transfer surface.
According to 33 CFR 156, oil tankers trading in US waters are required to test and document the testing of cargo transfer hoses and transfer pipe system. What is the minimum requirement when testing these components?
That no leakage occurs under static liquid pressure of at least 1,5 times the maximum allowable working pressure.
That no leakage occurs under dynamic fluid pressure of less than 1,5 times the maximum allowable working pressure.
That no leakage occurs at the nominal anticipated working pressure.
That no leakage occurs under static liquid pressure of at least 1,25 times the maximum allowable working pressure.
Searchlights must be provided for night navigation in the Suez Canal. Which of the listed requirements are correct?
Vessels with bulbous bow, LPG and LNG vessels must provide their own projector.
All vessels must provide their own projector.
Only projectors hired from the Canal Mooring and Light Company are permitted.
If vessels have their own projector, an extra fee will be levied on the vessel.
The death of a passenger occurs on board, what legal actions must be taken by the Master?
First aspect confirm death. Notify company, and next-of-kin, and if on board to be advised and comforted as may be required. Arrange to have body moved to freezer area. Notify local agents and British Consul when abroad. Entry to be made in Record of Births and Deaths.
Confirm death. Have body moved to a freezer compartment. Contact local agent and British Consul as appropriate. Complete narrative section of Official log book. Make an entry in the deck log book detailing actions taken.
Confirm death. Contact local agent and arrange to have body medi-vacced from vessel. Notify company. Complete births and deaths section of official log book.
Confirm death. Notify next-of-kin, and if on board to be comforted as may be necessary. Make an entry in the Births and Deaths section of the OLB, make entries in the narrative section of the OLB. Notify agent and British Consul when abroad. Have belongin.
Which of the given options characterizes a 2-stroke diesel engine?
The piston always has a short skirt.
A 2-stroke engine always has 2 or more turbochargers.
A 2-stroke engine has an air inlet valve in the cylinder cover.
A 2-stroke engine completes a full cycle every revolution.
Are there any restrictions for transit of the Suez canal?
The Suez Canal is a sea-level canal. There are beam and draft restrictions for very large vessels.
There are restrictions because of canal locks.
There are no restrictions. Transit at masters discretion.
There are no restrictions. Transit at masters discretion, but pilot is compulsory.
If oil out of the bowl casing drain of a solids ejecting separator what is the most likely problem?
Oil has been fed to the separator before full speed.
Insufficient amount of bowl closing water.
The flow rate is too high.
There is requirement in MARPOL for the slop tank capacity of oil tankers. What is the requirement for SBT tankers?
2 % where segregated ballast tanks or dedicated clean ballast tanks are provided in accordance with MARPOL.
3 % where segregated ballast tanks or dedicated clean ballast tanks are provided in accordance with MARPOL.
5 % where segregated ballast tanks or dedicated clean ballast tanks are provided in accordance with MARPOL.
1 % where segregated ballast tanks or dedicated clean ballast tanks are provided in accordance with MARPOL.
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. The training manual shall contain detailed explanations of crew duties in relation to emergency situations. Which of the following tasks or duties shall be included in the manual according to present regulations?
The use of the ship’s line throwing apparatus.
The use of escape routes and other escape methodes.
The use of surface to air visual signals to be used by survivors.
The use of navigational equipment for survival crafts.
What is the correct chemical name for Caustic Soda in liquid form?
Potassium Hydroxide solution.
Sodium Chlorate solution.
Sodium Hydroxide solution.
Sodium Hypochlorite solution.
A bulk carrier is loading to complete on summer draught of 10,00 m when in salt water; the vessel is loading in river water; The dock water allowance is 80 mm; The maximum draught when loading is completed is:
This circuit consists of a voltage source V, a change-over switch S, a resistor R and a capacitor C. The voltage/time figures 1 to 4 show changes in the voltage V (C) when the switch S is suddenly shifted from position 1 to 2 at time t = 0. Only one of the diagrams is correct. Which?
In a smoke filled alleyway where will the cleanest air be found, and how should you proceed out?
Near to the deck, crawl out keeping your face as near to the deck as possible.
Sit and wait for the rescue party.
It will be the same in all parts, therefore I would just leave as quickly as possible.
Towards the upper part, stand as tall as possible and walk out.
Diodes are widely used in rectification, or the conversion of alternating current to direct current. The sinusoidal input voltage V (in) is applied to the circuit shown. Which of the output voltages is correct?
There are many types of pumps fitted onboard ship which an engine room rating may be required to assist with the maintenance of. Which type of pump is shown in the illustration?
How many rescue boats should be provided on ro-ro passenger ships of 500 gross tons and above?
Two, and at least one of the rescue boats shall be a Fast Rescue Boat.
None providing the ship has lifeboats.
Two Fast Rescue Boats, one on each side of the ship.
What symptom would you think shows that the freon filter drier has become blocked?
Pressure rise before the drier.
A large temperature drop across the drier.
A hammering noise from the drier.
A hammering noise from the compressors.
You are on a vessel 10 nautical miles off the coast of Nigeria, West Africa. Are you allowed to dump empty glass bottles overboard?
Yes, glass bottles can be dumped overboard.
Yes, the bottles can be dumped if they are ground so that the resulting particles can pass through a screen with 50 mm openings.
Yes, the bottles can be dumped if they are ground so that the resulting particles can pass through a screen with 25 mm openings.
No, glass bottles can not be dumped overboard.
During mooring operations which is the safe place to be in?
Outside the colored zone.
Behind the “point of restraint” but inside the zone.
Between the “point of break” and the “point of restraint”.
Where ever you feel safe.
Which of the below statements characterizes the most significant differences between a water-tube boiler and a fire-tube boiler during operation?
Water-tube boilers are more efficient and contains less water. They suffer from major damages when run dry during operation.
The firetube boiler does not need any non-return valves in the feedwater line circuit.
The watertube boiler can tolerate a short period of time without any water, when the oilburner is still in action.
The firetube boiler has a much better capability to work at higher steam pressure.
Normally ventilation fans in enclosed ro-ro spaces must be run continuously whenever vehicles are on board, why?
An increased number of air changes may be required when vehicles are being loaded or unloaded, or where flammable gases or liquids are stowed in closed ro-ro spaces.
It is better to run the fans continuously instead of testing the atmosphere.
It is easier for the crew, they don’t have to think about starting and stopping of fans.
The manufacturer of the fans recommends continuous operation to reduce maintenance cost.
You are in open water and clear conditions. You are approaching the pilot station when you hear this signal from a vessel ahead of you. What does it signify?
That the vessel is operating astern propulsion.
That the vessel is starting his engine and resuming his passage.
That the vessel is picking up his pilot.
That the vessel is altering his course to starboard.
What is the fog signal for a vessel which is engaged in towing?
Two prolonged blasts followed by one short blast at intervals of not more than 1 minute.
One short blast, one prolonged blast and one short blast at intervals of not more than 2 minutes.
One long blast followed by two short blasts at intervals of not more than 2 minutes.
Two prolonged blasts at intervals not exceeding 2 minutes.
A section of seawater pipe has been removed for maintenance. When refitting the pipe after completing the work the bolt holes in the flanges are found to be misaligned. What procedure should be followed to finish the work?
Force the pipe into position and them hammer the bolts into the holes to hold the pipe flanges into alignment.
Adjacent pipework should be slackened off to allow the pipe to be aligned. Any incorrectly positioned brackets should be adjusted after the pipe is refitted.
Use wooden wedges to force and hold the pipe into the correct position and then fit the bolts.
Use a chain block to pull the pipe flanges into alignment and leave it in place after the bolts are fitted to avoid overstressing the bolts.
By reduced transmitting power is meant in VHF a power between:
Is it necessary to construct a passage plan (or voyage plan), for transiting a canal or river, when under pilot?
A passage plan is always required, irrespective of the length of the voyage, or if the ship is under pilot.
A passage plan is required only when there is no pilot on board.
A passage plan is required from departure from port to arrival at the pilot station at the destination.
A passage plan is required for all deep sea passages, but not for transiting a canal under pilotage.
When you are taking an “ullage” on a cargo tank on an oil tanker, what are you actually doing?
Measuring the distance from the surface of the cargo to the ullage reference point.
Measuring the distance from the bottom of the tank to the ullage reference point.
Measuring the distance from the bottom of the tank to the surface of cargo.
Measuring the distance from the surface of the cargo to the underside of the maindeck.
What action would you take if the performance of a plate type heat exchanger was falling off even though flow rates and pressures of the primary and secondary fluids were normal?
Clean the heat exchanger.
Increase the flow of both fluids.
Add some more plates to the exchanger.
Increase the pressure of both fluids.
What nominal filling restriction exists under the IBC Code for a single tank on a type 3 chemical tanker? Not counting structural, capacity or cargo specific limitations.
There is no filling restriction for a type 3 chemical tanker.
If you use chemicals for cleaning up an oil-spill on the water, what would the chemicals do?
Contain the oil within a small area.
Disperse or dissolve the oil into the water.
Remove the oil from the water.
Absorb the oil for easy removal.
In which way may intake of poisonous material occur?
Skin penetration and skin absorption.
Which one of the listed requirements regarding enclosures of totally enclosed lifeboats do not correspond to present regulation? The enclosures shall be provided with:
Windows on both sides which can be closed watertight and opened for ventilation.
Access hatches which can be closed watertight.
Access hatches capable of being opened and closed from both sides.
Which class of emission is used for FEC NBDP transmissions?
What do you understand by the term “Terminal Representative”?
A bulk cargo terminal agent.
A cargo facility terminal agent.
A person appointed by a cargo terminal for operations conducted by that terminal with regard to a ship.
A person appointed by a cargo terminal for matters related to crew welfare under the International Labour Convention.
Enthalpy is an expression of how much energy is tied up in one kilo of a substance. A substance’s total energy consists of:
External and internal energy.