Тест состоит из 80 случайных вопросов.
Всего вопросов по данной теме: 171
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.
Which is the “PANAMA LEAD”, in the figure?
The Panama Lead is indicated by A, in the figure.
The Panama Lead is indicated by B, in the figure.
The Panama Lead is indicated by C, in the figure.
The Panama Lead is indicated by D, in the figure.
Which of this information must be included in a piracy attack alert?
Your ship’s name and call sign.
The number of crew onboard.
The number of pirates/highjackers.
The type of weapons being carried by the pirates/highjackers.
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.
The circuit consists of two inductors, L(1) = 6 H and L(2) = 12 H, connected in parallel. Calculate the equivalent L(S) of the two inductors:
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.
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.
What types of fire extinguishers shall be used in the engine room?
Fire extinguishers equipped for powder or CO2 only.
Any fire extinguisher with a weight of less than 100 lbs.
Fire extinguishers filled with fresh water only.
Fire extinguishers of the handy-size types only.
High Voltage (HV) cables are smaller than low voltage cables for a given power rating. Why is this?
The HV cable carriers a smaller current and therefore requires less copper.
The HV cable uses Aluminium conductors and therefore requires them to be a smaller cross-sectional area.
The HV cable uses higher quality copper conductors and therefore requires them to be a smaller cross-sectional area.
The HV cable has a thinner wall of special insulation material.
You are inerting a cargo tank on an oil tanker, prior to gas-freeing for entry. What is the maximum permitted oxygen content in the inert gas main as required by SOLAS 1974?
Reduced capacity accompanied by vibration and noise at the suction of a centrifugal pump results from the action of vapor pockets in the fluid being pumped caused by:
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.
By reduced transmitting power is meant in VHF a power between:
Which is the preferred method for starting an air conditioning refrigeration compressor which has been shut down for a period of time?
Start with suction valve throttled in to minimise risk of drawing liquid refrigerant into the compressor.
Start and stop repeatedly until suction pressure and oil pressure are normal.
Start with all system valves fully opened.
Start with the discharge valve throttled in to prevent excess condenser pressure.
According to the rules of GMDSS vessels are equipped with certain radio-communication devices depending on:
The battery of an EPIRB should be changed:
What are we seeing here?
A sailing vessel less than 20 metres in length, displaying the optional combined lantern in lieu of standard sailing lights, seen head on.
A sailing vessel, seen from astern, where the edges of her sidelights are both visible.
A sailing vessel of less than 10 metres in length, displaying the mandatory combined lantern in lieu of sailing lights, seen head-on.
A sailing vessel, at anchor.
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.
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.
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.
How many lifebuoys can you expect to find on board a cargo ship of 190 metres in length (including those of the quick-release system)?
At least 8 distributed on both sides of the ship.
At least 10 distributed on both sides of the ship.
At least 12 distributed on both sides of the ship.
At least 14 distributed on both sides of the ship.
What is the minimum capacity of the portable tank of a portable foam applicator?
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.
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 abbreviation “NPSH” is often seen in connection with the efficiency of cargo pumps on oil tankers. What does this abbreviation stand for?
Nominal Pressure Suction Head.
Natural Pumping Standard Height.
Necessary Pumping Suction Hazard.
Net Pressure Suction Head.
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.
On a Container vessel, what determines how containers should be lashed?
Advice from shore planners.
The cargo securing manual.
What could be the possible cause of an engine knocking?
Faults in injection valves, injection too early.
Too big a piston clearance, worn cylinder liner.
The gudgeon pin or big end bearing having too big a clearance.
What is understood by the term “take the helm”?
Take over the steering of the ship.
Take a message to another officer.
Take over heaving of a rope.
Change the place where the lookout is standing.
What is the weather associated with being in the centre of an Anticyclone (a region of High Pressure)?
Light winds and fair weather, sometimes fog.
Strong winds but with very little rain.
Strong winds and heavy rain.
Persistent rain and very humid weather.
Is the master under obligation to do a maritime inquiry if a crewmember suffered a considerably injury onboard and died after a week on a hospital ashore?
Yes, if the seaman was at work.
Yes, because of the fatal consequence.
Yes, even if he/she did not die while onboard.
What is the colour of the smoke signal used by life-saving stations or rescue units indicating that distress signals are observed in daylight?
What is the MARPOL definition of a “high-viscosity substance”?
A noxious liquid substance of any category with a pour point of greater than 37,8 degrees Celsius.
A noxious liquid substance in category “X” or “Y” with a viscosity equal to or greater than 50 mPas at the unloading temperature.
Any noxious liquid substance, the residues of which cannot be stripped from a cargo compartment and its associated piping and pumping system to equal to or less than 75 litres.
A noxious liquid substance in category “Y” with a viscosity equal to or greater than 100 mPas at 37,8 degrees Celsius.
What is the minimum capacity of a ventilation system protecting cargo spaces, other than special category spaces, intended for carriage of motor vehicles with fuel in their thanks for their own propulsion in a ship carrying no more than 36 passengers or in a cargo ship?
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.
In the case when the temperature of the ambient air is equal to 10 °C and the wind is blowing at a speed of 10 m/sec the shipwrecked person must consider that the effect of air on his body is equivalent to that of an air whose temperature would be approximately:
One water fog applicator is required for each pair of breathing apparatus on board which type of ship?
Passenger ships carrying more than 36 passengers.
Passenger ships fitted with car decks.
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.
What is the correct name of the tool shown in the sketch?
When will a ro-ro vessel pitch heavily?
When wave lengths are equal to the ship’s length.
When wave lengths are equal to half the ship’s length.
When wave lengths are equal to twice the ship’s length.
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?
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.
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.
On a general cargo ship, where would the fire hydrants be located?
At such locations that at least two jets not emanating from the same hydrant may reach any part of the ship normally accessible to the crew while the ship is being navigated, one of these jets coming from a single length of hose (the other jet may come from two hoses joined).
At such locations that at least two jets not emanating from the same hydrant may reach any part of the ship normally accessible to the crew while the ship is being navigated, each of these jets coming from a single length of hose.
At such locations that no part of the ship normally accessible to the crew while the ship is being navigated is located more than 20 metres away from a hydrant.
At such locations that no part of the ship normally accessible to the crew while the ship is being navigated is located more than 40 metres away from a hydrant.
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.
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.
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:
Which electronic component does this graphical symbol represent?
Silicon controlled rectifier.
What is the most likely reason for vibration and noise at the suction side of a centrifugal pump when it is running?
Fluid friction in the suction line.
Collapsing vapour bubbles due to cavitation.
Water hammer in the pump casing.
Pump suction valve fully open.
When carrying LNG cargoes it is useful to have information about its thermodynamic properties. What is a common source of information that can be used to obtain values for a wide range of these properties?
Material safety data sheet.
What is important to check when transferring a position from the GPS output to a paper chart?
Any necessary corrections are applied to convert between the GPS datum and the chart datum.
Ensure that the chart has been corrected up to date.
It is important to ensure that the GPS is setup on 2 dimensional and not 3 dimensional position fixes.
Ensure that the GPS is setup on the same datum as the chart.
At least how often shall rescue boats be launched with their assigned crew and manoeuvred in the water?
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.
On a RoRo vessel, when loading Double Stacked containers on Maffi Trailers how many twist locks should have used between 2 containers?
One on every corner, 4 in total.
One at each end, 2 in total.
One at each end, 2 in total.
Three in total, 2 at the door end, 1 at the opposite end.
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.
Which is the “FORWARD BREAST LINE”, in the figure?
The forward breast line is indicated by B, in the figure.
The forward breast line is indicated by C, in the figure.
The forward breast line is indicated by D, in the figure.
The forward breast line is indicated by A, in the figure.
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.
In which way may intake of poisonous material occur?
Skin penetration and skin absorption.
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.
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.
Having a CO2 alarm during normal working hours, what immediate action should be taken?
Get out of the engine room as soon as possible.
Get into the control room.
Your vessel have been in collision with another vessel. You are taking in water and you have to prepare for leaving the vessel. How will you act?
Send a distress message and collect survival suits/thermal bags.
Collect your own personal belongings.
Just jump over board and be ready.
Assist your friends to collect their personal belongings.
What is the purpose of the unscheduled inspectors on board ships?
To determine whether the ship is seaworthy.
To issue a certificate of seaworthiness.
To issue a trading permit.
Mainly to determine whether the manning regulations have been adhered to.
To make a “call-request” one should:
Select the telex in on-line position.
Select the ID of the NCS.
Select the telex in off-line position.
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.
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.
At what calendar interval is a “Special Survey” required?
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.
At what calendar interval must lifting appliances on board a vessel be suitably tested by a competent person?
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.
The frequency 121,5 MHz is used for:
What are the requirements regarding slop tank capacity on combination carriers with smooth walls (bulkheads)?
Not less than 3 % of the oil-carrying capacity of the ship.
Not less than 1 % of the oil-carrying capacity of the ship.
Not less than 1,5 % of the oil-carrying capacity of the ship.
Not less than 2 % of the oil-carrying capacity of the ship.
What is the status and function of a Panama canal pilot?
He shall have control of the navigation and movement of the vessel.
He will take over all the responsibilities of the master on embarkation.
He will be responsible for canal crew mooring gangs and use of locomotives during lock transits.
He is an advisor to the vessel’s master.
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 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.
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.
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.
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.
If the heat transfer capacity in a heat exchanger is dropping, the following action should be taken:
Clean the heat transfer surface.
During duplex mode you are able to:
Talk to two stations simultaneously.
Interrupt after releasing the PTT-switch.
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.
What is the main vitamin found in flour and grain products?
What is polymerisation?
The process by which unsaturated chemical compounds are heated under pressure, causing the molecules to react with each other and form larger molecules.
The process by which the molecules in unsaturated chemical compounds react with each other during cooling, forming larger molecules.
The process by which saturated chemical compounds are heated under pressure, causing the molecules to react with each other and form smaller molecules.
The process by which saturated chemical compounds react as pressure is released during heating, causing the molecules to react with each other and form larger compounds.