Тест состоит из случайных вопросов по выбранной теме.
*Which of the following appliances must compulsorily be found in any ro-ro cargo space intended for the carriage of motor vehicles with fuel in their tanks for their own propulsion?
One chemical powder extinguisher for each 10 vehicles the space is intended to carry
A receptacle containing sand, sawdust impregnated with soda or other approved dry material in such quantity as may be required by the Administration
At least one portable foam applicator unit
One chemical powder extinguisher for each 20 vehicles the space is intended to carry
You will anchor a VLCC at a depth of 80 meters in open water with swell. How much chain will you use?
What would be the correct definition of the term "Squat"?
Squat is the reduction of underkeel clearance due to increase of water flow under the keel and an increase in the water pressure
Squat is the reduction of underkeel clearance of a ship when it moves through shallow water due to a reduction in water pressure.
Squat is the loss of effectiveness of the rudder and propeller as a ship moves through shallow water due to the reduction of water pressure.
Squat is the reduction of underkeel clearance and the possible change of trim of a ship when it moves through shallow water due to a reduction in water pressure.
You are sailing in shallow water with 15% Under Keel Clearance. Coming full astern from full ahead, how will your changed course compare to deep water?
Large change at first, then changing slightly
The heading will most likely change by a large amount
The heading will not change at all
The heading will change only slightly
You are in confined waters. Is there any danger in the situation sketched below if you should lose engine power?
She will sheer slowly to port
She will drift to port, but rather slowly as you are loaded
Your ship will sheer to starboard rather quickly with the possible consequence of grounding
Your ship will lose headway, but there should be no immediate danger
Which type of vessel suffers from the greatest squat effects?
Vessel with a large length to beam ratio
Vessel with a high Block Coefficient
Vessel with a low Block Coefficient
Vessel with a small length to beam ratio.
MF radio signals mainly propagate mainly:
through hops between ionised layers and the earth
between the earth and satellites
along the curvature of the earth
What is the weather associated with being in the centre of an Anticyclone (a region of High Pressure)?
Persistent rain and very humid weather
Strong winds and heavy rain
Strong winds but with very little rain
Light winds and fair weather, sometimes fog.
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
What precaution must be taken when painting on deck during cargo operations?
There must be an established means of communication between crew members and the duty officer
Cargo hold fan inlets near paint areas must be closed
There must be an established means of communication between crew members and the bosun
What is the function of a sacrificial exchangeable wear plate?
It protects hull plating around the bulbous bow
It protects the hull plating around cell guides
It protects twistlocks against wear down beyond a certain limit
It protects hull plating around the stern frame
The engine turns over normally when starting air is supplied but does not fire even though normal starting rpm is achieved. What could be the probable cause to this?
The lubricating oil temperature is low.
The turning gear interlock has operated.
The turbocharger has not run up to normal full speed.
Air in the fuel oil system.
You have just completed tank inspection, prior to loading a number of chemical grades. The Duty Officer instructs you to secure the tank lids. (On this vessel, they are circular in design, with four dogs and the lid is raised and lowered on a geared wheel). Which of the following methods will you use to secure the lids?
I will swing the lid over the coaming and postion the dogs, tightening down the two furthest from the geared wheel first, then the two closest to the wheel. I will then take any remaining pressure off the wheel.
I will lower the lid with the geared wheel, ensuring that the coaming rim sits centrally against the packing. I will then position and tighten the dogs, working back and forth so that an even pressure is applied overall.
I will lower the lid with the geared wheel and then work round the dogs in a clockwise direction, tightening each one right down in turn.
I will lower the lid with the geared wheel, screwing it down as tightly as possible, then position the dogs, so that the lid remains centrally positioned while the ship is as sea.
What would indicate that the cargo holds are not properly sealed?
When dew point temperatures inside cargo holds are the same as when the cargoes were loaded
When dew point temperatures inside cargo holds remain the same despite cargo hold ventilation
When dew point temperatures inside and outside the cargo holds are closely matched
When dew point temperatures inside and outside the cargo holds are substantially different
The data logger on a reefer vessel normally records temperatures for air delivery, air return and cargo pulp. How would the air delivery and return temperatures be expected to vary during the first few days of carrying a cargo of citrus fruit which had not been pre-cooled before loading?
The difference between the two temperatures would steadily increase.
The difference between the two temperatures would remain constant.
The two temperatures would remain constant
The difference between the two temperatures would steadily reduce.
When a ship is switching from ammonia to LPG virtually all traces of vapours must be removed. What is the allowable concentration of ammonia vapour in the tank prior to loading the next cargo?
Less than 20 parts per million.
Less than 5 parts per million.
Less than 50 parts per million.
Less than 100 parts per million.
What do you think would be the most likely cause of too low suction pressure in a freon compressor?
Broken suction valve plate.
Too little gas in the system.
Why did they order another tug?
Because the bow thrust was useless in the strong wind.
Because they wanted to make sure that the ship could be safely turned.
Because the mates always receive their instructions prior to berthing and they all felt that another tug was needed.
Because the ship was going to berth with port side to the terminal.
You are testing the atmosphere in a cargo tank on an oil tanker, for the purpose of approving it as safe it for crew members to enter at the end of tank cleaning operations. According to the industry standard guidelines (ISGOTT), what measurements must be obtained before this permission is granted?
8% oxygen by volume and 0% hydrocarbon vapour concentration
21% oxygen by volume and less than 1% LFL hydrocarbon vapour concentration.
Minimum 17% oxygen by volume and not more than 1% LFL hydrocarbon vapour concentration.
21% oxygen by volume and less than 1% UFL hydrocarbon vapour concentration.
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.
After washing with fresh water how would you know whether salt remains in the cargo holds of a Bulk Carrier?
By carrying out a visual inspection of the cargo holds
By carrying out silver nitrate tests which should turn milky in the presence of chlorides
Using silver nitrate which should remain colourless in the presence of salt
By appointing a surveyor to inspect the cargo holds
What are some of the precautions that must be taken on a bulk carrier, before double - bottom tanks can be ballasted with sea water?
After peak tank and fore peak tank filled first
Correct valves opened, air ventilators open and ballasting plan agreed.
Cargo spaces empty of cargo
All hatch covers secured for sea
On a RoRo vessel, what must be considered when planning the loading of ro-ro cargoes on ramps?
SWL and loading limit of the ramp and Minimum clearances for the operation of ramp doors
The extent of lashings due to the ramp slope
Why should only dry powder known to be “foam compatible” be used in conjunction with foam to extinguish gas fires?
Because certain types of dry powder has a negligible cooling effect
Because certain types of dry powder can cause breakdown of a foam blanket
Because certain types of dry powder is a flame inhibitor
Because certain types of dry powder not give protection against re-ignition
What should be done in preparation for loading cold rolled steel sheets in bulk carriers?
8mm wire cables should be laid athwartships over the tank top spaced 5m apart
Dunnage should be laid athwartships over the tank top
Dunnage should be laid fore and aft over the tank top
16mm wire cables should be laid fore and aft over the tank top spaced 3m apart
What is the correct definition of "boat deck"?
A deck of cards on board.
Deck and secure the boats.
The deck for the lifeboats.
What is the relationship between absolute and gauge pressure?
Absolute pressure = gauge pressure + barometric pressure.
Gauge pressure = barometric pressure / atmospheric pressure
Absolute pressure = gauge pressure x 0.947 barometric pressure.
Gauge pressure = absolute pressure + barometric pressure.
What do you understand by: Hydrographic vessel in position…….wide berth requested?
This means: the hydrographic vessel is providing a wide berth
This means: the hydrographic vessel wishes to go alongside a wide berth
This means: the hydrographic vessel is very wide
This means: keep well clear of the hydrographic vessel in position………
Once a hatch is sealed, what prevents sparks from entering the hold of a Bulk Carrier?
A mixed cargo consisting of cartons of frozen meat and drums of frozen orange juice is being loaded into the same reefer space. From the options given, select the reason that best describes why the drums of orange juice must be handled carefully.
There may be contact damage to the cartons of meat from the steel drums of orange juice.
There is a risk that the meat could taint the orange juice.
There is a risk of spillage from the drums of orange juice which may taint the meat.
There may be contact damage to the steel drums of orange juice from the cartons of meat.
What is mean by bulk Grain cargoes have a low angle of repose?
Likely to produce toxic gas
When would the Chief Officer wish to consult the First Engineer?
The Chief Officer would wish to consult the First Engineer whenever a hydraulic tank need to be filled.
The Chief Officer would wish to consult the First Engineer on all matters related to pollution.
The Chief Officer would wish to consult the First Engineer when the cargo hold bilges are not emptying, despite the bilges being pumped out.
The Chief Officer would wish to consult the First Engineer when items of engine room machinery require maintenance.
What is the full title of the IMO code which applies to all gas carriers built after 1986?
The International Code for Ships Carrying Liquefied Gases in Bulk (the IGC code)
The Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (the GC Code)
The Code for Existing Ships Carrying Liquefied Gases in Bulk (the Existing Ship Code)
The International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (the IGC Code)
Power is available at a three-phase motor starter but nothing happens (at starter or motor) when the start button is operated. Which of the following is a likely cause?
Open circuit in one of motor cables
On a General Cargo Vessel, what do Tonnes per Centimeter Immersion (TPC), Moment to Change Trim by one Centimeter (MCTC) and Longitudinal Centre of Floatation (LCF) have in common?
They vary with small angles of heel
These vary with the gross tonnage of the vessel
They vary with changes in displacement
They remain unaffected by changes in displacement
Which of the following statements will direct a fire-fighting team to the source of fire?
Fire in the accommodation
Fire in No. 3 cargo hold, port side, forward
Which factor influences the pumping capacity (flow) of a centrifugal pump the most?
The main engine is running steady. What is the normal shut down pressure for "Lub.oil inlet to main bearings"?
What is the main purpose of 'gassing up' the cargo tanks of an LNG carrier?
To ensure a uniform temperature in the cargo containment system prior to loading.
To remove IG tank atmosphere with warm cargo vapour prior to loading the cargo.
To avoid a pressure rise in the liquid dome during loading.
To bring the cargo containment system to a temperature which will prevent excessive boil off during loading.
A lubricating oil having a high viscosity index number would normally be used in which of the following situations?
When the machinery operates at a very high temperature.
When the machinery operates at a high load.
When the machinery operates at a very low temperature.
When the machinery operates over a wide temperature range.
On capesize bulk carriers what problems are associated with welding of the corrugated bulkheads during construction?
Stress concentrations at the corners of the bulkheads
Cracking of cross-deck plating
A reduction in shear forces
Several areas of the bulkheads being 'out of tolerance'
At what temperature do we take the Reid Vapour Pressure test?
We take the Reid Vapour Pressure (RVP) test at the temperature of 100 C.
We take the Reid Vapour Pressure (RVP) test at the temperature of 60.0 C.
We take the Reid Vapour Pressure (RVP) test at the temperature of 38.7 C.
We take the Reid Vapour Pressure (RVP) test at the temperature of 37.8 C.
What is the requirement with regard to Familiarisation on board?
Seafarers on board passenger vessels must as soon as possible learn the names of all persons working in the same department in order to ensure efficient daily operation.
During the first tenure, seafarers are responsible for asking at least a 100 questions to the Safety Officer.
Seafarers shall be familiarized with all life saving appliances and emergency exits in case any emergency situation occurs. It takes normally an hour to complete the Safety Familiarisation. The safety Officer is responsible.
Seafarers, on being assigned to any ship, shall be familiarized with their specific duties and with all ship arrangements, installations, equipment, procedures and ship characteristics that are relevant to their routine or emergency duties.
Did he study the contract in every detail before he signed it?
Of course he did, because he had to make sure that he could return home again.
No, he merely tried to be put ashore for medical treatment.
No, despite the fact that he promised to carry out several duties.
Yes, he wanted to see that everything was according to agreed terms.
When is the Officer of the Watch officially relieved of his responsibilities of being in charge of the watch?
The Officer of the Watch remains in charge of the watch for the full watch, when the vessel is deep sea
The Master and the Officer of the Watch share the responsibility when they are both on the bridge together.
When the Master informs the Officer of the Watch that he is taking over the "con" (watch responsibilities)
When the Master enters the bridge
You are going to enter a tank to clean up some dust. What kind of permits is required to be issued before entering?
Enclosed Space Entry Permit
Hot Work Permit and Cold Work Permit.
Enclosed Space Entry Permit and Hot Work Permit.
Enclosed Space Entry Permit and Cold Work Permit
Where does the excess steam discharge to when the boiler safety valves operate due to the boiler pressure being too high.
The atmosphere via the atmospheric line
What determines the size of the "sump" in a chemical tanker's cargo tank?
It must be below 1/3000th of the total volume of the tank.
The foot of the pump must fit inside it with a minimum of 20 cm clearance all round from the pump casing.
When combined with the estimated residues on the bulkheads and in the associated pipelines, the quantity of residues remaining in the sump must be below the maximum quantity remaining after discharge as permitted by law.
The flow of residues into the sump must be greater than or equal to the pumping capacity of the pump when operated at stripping speed (calculated as 12% of nominal speed against 3 bar head pressure), with not more than 1.5 degrees adverse list or 0.1 degree trim.
When a new crewmember joins a ship for the first time, on-board training and instructions in the use of the ship's life-saving appliances, including survival craft equipment and in the use of the ship's fire extinguishing appliances shall be given as soon as possible. What is the maximum timeframe for completion of this training?
In the formula 0.9LBD (tonnes) for the amount of high density bulk cargo that can safely be loaded in a cargo hold, what is the value of ‘D’?
The tropical load draught
Maximum depth of the cargo hold
Moulded depth of the cargo hold
Who must make and sign the individual entry for a loading, discharging or cleaning operation in the Cargo Record Book?
The officer (or officers) in charge of that operation.
The Officer of the Watch at the commencement of that operation.
The pupman or other crewmember assigned to carry out that operation.
Which of these statements is correct?
Under the Hague and Hague-Visby rules a shipowner must exercise due diligence to make the vessel seaworthy
Under the Hague rules there is an obligation to make the vessel seaworthy
A vessel may be seaworthy even though she may not be cargo worthy
On liner routes cargoes must always be lashed in a standard manner irrespective of season
What is the meaning of "make fast"
Which one of the following international regulations is normally used when handling dangerous goods?
On a RoRo vessel, why should chipping and painting not be done on a loaded car deck
because there is not enough space to work with the cargo in the way
To avoid damage to the cars or their paint work
because you cant run the ventilation and the fumes will overcome the crew
The maximum cylinder pressure is lower than normal due to:
Fouling in the turbocharger.
Fuel oil filters are clogged.
Fuel oil with poor combustion properties.
Why is it important to check the timing on the cylinder oil lubricators?
To get the right amount of oil into the cylinder.
To avoid excess lubrication.
To avoid high temperature in the combustion chamber.
To get the oil into the cylinder when the piston is in the right position.
What actions should the Officer of the Watch take when the ship's steering gear fails?
Stop engines and display the NUC signal
All of the suggested answers
Call the Master and advise him of the situation
Request the engine room to check the steering gear
With regard to the characteristics of a mafi trailer what must be ensured prior to unfastening this unit on board a ro-ro vessel?
That the cargo details have been checked
That there is sufficient room for it to be driven away
That cargo on the trailer is not damaged
That after unfastening it will not move
The following chemical cargoes are all "carcinogens": Acrylonitrile, Aniline, Benzene, Chloroform, Epichlorohydrin and Toluene. What is a "carcinogen"?
A substance capable of burning tissue from contact with its vapours alone.
A cargo which requires cleaning at a specific temperature as listed in MARPOL.
A substance capable of inducing cancer.
A high-grade oil product, obtained by repeated distillation.
In a diesel engine lubrication system the circulating pump pump normally takes suction from the oil sump tank. Where does the oil pass to directly after the pump?
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 completes a full cycle every revolution.
A 2 stroke engine has an air inlet valve in the cylinder cover.
On a conventional reefer vessel carrying palletised cargo, dunnage bags (air bags) are used to prevent the pallets from moving during bad weather. Assuming that the air bags are correctly positioned and inflated, select, from the options given, the other important function provided by these bags
They will help to achieve a good stowage factor.
They will prevent short circuiting of the cold air.
They will prevent chafing between the pallets
They will protect the ships structure.
An accumulation test may be necessary for a steam boiler following repairs or modifications. Which of the given options does the accumulation test check?
The capacity of the safety valve to relieve pressure.
The time taken to fill the boiler with water under steaming conditions.
The rate at which the boiler can generate steam.
The time taken for the boiler to reach operating pressure.
After completion of a cleaning job on some machinery components at sea, the engine watch rating is instructed to dispose of a small amount of dirty diesel oil which is left in a bucket. How should the dirty oil be disposed of.
Put it straight into the dirty oil tank for incineration at the next opportunity.
Take it on deck and throw it overboard.
Pour it into the diesel oil storage tank through the sounding pipe.
Pour it into the engine room bilge so that it can be pumped through the oily water separator.
High Voltage systems rely on the installed protective equipment being able to interrupt any fault in the system. Throughout the system, the fault level has been calculated, and under no circumstances must the system be modified to exceed this fault level. What is meant by fault level?
The amount of apparent power, that would be drawn from the generating plant, when a short circuit occurs at the bus bars.
The current level flowing into a dead short to earth at any point on the ship, directly from the High Voltage system.
The amount of apparent power that could flow into any fault at any point in the electrical network.
The current level flowing into a symmetrical short circuit fault between all three phases.
Which of the following statements is incorrect with regard to IMDG Class 5 cargoes?
The goods must be stowed such that they can be easily jettisoned
The goods require protection against potential sources of ignition
The goods require protection against the accumulation of dangerous vapours
The goods require protection against contact with moisture and water
At what temperature should Intermediate Fuel Oil (IFO) 180 be maintained so as not to damage a bulk cargo of grain?
What is the possible concern if fuel tanks on a Bulk Carrier, which are close to cargo spaces containing grain, are excessively heated?
The grain cargo may produce methane gas
The grain cargo may be heated and damaged
Select, from the options given, the best method to be used for cleaning a cargo space on a conventional reefer vessel into which the cargo to be loaded is the same as the previous cargo carried.
A quick blow through on the top of the deck gratings with compressed air.
Sweep clean the top of the hatch gratings and lift the gratings to sweep clean below them.
A quick blow through on top of and below the deck gratings with compressed air.
A complete wash down of the cargo space with a suitable cleaning agent.
Which of the following could cause a blowback from a steam boiler oil fired furnace?
Trying to ignite burner from hot brickwork
Having the fuel oil temperature too high
Having the fuel oil pressure too high
Opening air registers too quickly
What do we mean to gas free a cargo tank?
To gas free a cargo tank means that we remove flammable-, neutral- or toxic atmosphere from the cargo tank
That means that we are discharging the cargo tank
To gas free a cargo tank means that we remove gas from the cargo tank
To gas free a cargo tank means that we are pumping liquid into the tank
Very roughly, the gas mixture from Crude Oil can be represented by the hydrocarbon gas Propane. What is the approximate upper flammable limit(UFL) of crude oil vapours by volume in air?
Where shall you be able to activate the ship security alert system on board passenger ships?
From the navigation bridge and in at least one other location
Captain's- and Chief Officer's office
Chemicals and harmful substances are safely stored in a designated locker on board, why?
For stock control. Most of the chemicals and harmful substances we use on board are expensive.
For safety reasons. Many substances found onboard are capable of damaging the health and safety of those exposed to them. Before any chemical or harmful substance is delivered to a crewmember, the personnel shall receive training, instructions and information so that they know and understand the risks arising from use.
Chemicals and harmful substances must be kept away from passengers so that they don't steal it.
For safety reasons and stock control. When chemicals or harmful substances is delivered to a crewmember, the user shall sign for the amount received.
While on boiler watch in the engine room a rating is requested to assist with taking on stores. The task will take about half an hour. What should the rating do?
Just ignore the request to assist with the stores.
Go and help with the stores but go back and check the boiler every 10 minutes.
Raise the boiler water level above normal to make sure there is sufficient water while he is busy with the stores.
Contact the engineering officer of the watch for permission to assist and to arrange a relief for the duration of the store taking.
What happens to green vegetables when exposed to the presence of ethylene gas?
They develop aslightly salty taste
They develop a deeper green colour
They become resistant to mould and may be kept for longer
What would you do immediately if you saw oil spilling from a bunker hose during cargo operations?
Stop the bunker operation
Look up instructions in the Shipboard Oil Pollution Emergency Plan (SOPEP)
What is the most frequent used insulation on cargo tanks?
When considering the successful delivery of a perishable cargo, select, from the options given, the thing over which the carrier has least control.
Relative humidity in the hold.
Gas content in the hold atmosphere.
On a Container vessel, why should a vessel not carry left and right-handed twistlocks?
Because containers cannot be locked using both types of twistlock
Because there will be confusion as to whether or not containers are locked
Because international regulations do not permit it
Because the two types of twistlock have different strength ratings
With regard to portable fire-fighting equipment on ro-ro decks, what must be ensured upon completion of cargo loading operations?
The equipment must be lashed so as to prevent accidental movement
All items of equipment must be in the designated position
Water applicator nozzles must be moved away from vehicles’ exhausts
Fire extinguishers must be moved away from vehicles’ exhausts
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
Why can't we use inert gas from a combustion-type generator when preparing cargo tanks for ammonia?
Because of the high temperature in the inert gas.
Because ammonia reacts with the carbon dioxide in the inert gas.
Because of high water content in the inert gas.
Because of the high oxygen content in the inert gas.
What pressure shall a cargo hose be marked with?
Maximum working pressure times 1,5
Maximum allowable working pressure
Safety relief valve setting
What does the abbreviation ABC mean in first aid?
Air, Breathing, Circulation.
Air, Breath, Concentration.
Abandon, Balance, Circulation.
What will you serve seafarers who has been exposed to cold?
Fruit and vegetables only.
Brandy, whiskey or other strong drinks.
Who is the leader of the lifeboat drill (abandon ship drill)?
The first member of the crew arriving at the survival craft.
The appointed lifeboat commander.
Which one of the listed fire-extinguishing medium is to be preferred to fight a fire in an electric installation (for example the main switchboard)?