Тест состоит из случайных вопросов по выбранной теме.
Buoyant smoke signals shall be so designed as to burn or emit smoke:
continuously after having been immersed for a period of 1 minute under 1m of water
only when not in the water
continuously after having been immersed for a period of 10 seconds under 100mm of water
Tank top in engine room has a high quantity of oil residues floating around. When discovered, what action should be taken?
Open the overboard valve and start the bilge pump.
Notify Ch.Eng., find cause of leakage, remedy the leakage and then immediately start cleaning of the tank top.
Apply foam to the tank top to minimise the risk of fire.
*Which of the following measures should be applied when hot work is to be undertaken in a harbour.
To maintain a permanent fire watch of at least four persons
To have a hot-work permit
To use only intrinsically safe equipment in the area where hot-work is performed
*May an engine room be only protected by a fixed low expansion foam fire-extinguishing system?
Yes, if the "engine room" is considered as a machinery space of category A
It depends on the type of vessel
*What is the inherent danger in using halon to extinguish an extensive fire?
Depletion of oxygen in the air?
Development of explosive gases?
Depletion of the ozone layer?
Development of toxic gases?
*What quantity of reserve fuel, if any, is to be available outside the main machinery space for a diesel driven emergency fire pump?
Sufficient amount for 2 hours of operation at full capacity
Sufficient amount for 24 hours of operation at full capacity
Sufficient amount for 6 hours of operation at full capacity
Sufficient amount for 15 hours of operation at full capacity
*In addition to personal equipment a complete set of fireman's outfit also comprises a breathing apparatus and a fireproof lifeline. How many complete sets of fireman's outfit is to be carried by ships carrying dangerous goods?
At least three sets or more depending on the type and the size of the vessel
At least four sets or more depending on the type and the size of the vessel
At least one set or more depending on the type and the size of the vessel
Two sets or more depending on the type and the size of the vessel
In a smoke filled alleyway, where will the cleanest air be found, and how should you proceed out?
Near to the upper part, stand as tall as possible and walk out
Near to the lower part, therefore sit down and wait for the rescue party
It will be the same in all the parts, therefore you should just leave as quickly as possible
Near to the deck, crawl out keeping your face as near to the deck as possible
How often must a crew member participate in a fire drill?
If a person is in a state of shock, what of the following is the correct thing of you to do?
Apply hot-water bottles to keep the pasient warm.
Move the casualty as much as possible.
Treat and reassure the casualty and stay with the person at all times.
Be kind to the casualty and give anything to eat or drink at first opportunity.
Which muscle is the most persevering one in the body?
Give the meaning of the following symbol
Push button for fire alarm
You are duty officer on board a vessel in open sea. The look out is doing work and you are alone on the bridge, presently checking the position in the chartroom. Suddenly you are colliding with a fishing vessel. You will be most to blame for the collision, because of:
You should ask over VHF if there is any vessels in the surronding waters before going to the chart room.
You shall always give the "keep away" signal when doing chart work.
The fishing vessel should have kept away and you will not be blamed.
You did not maintain a proper look - out by all available means.
You are drifting with a loaded VLCC in open sea. You have observed the direction and rate of drift. Can you do anything to change the direction and rate of drift?
We will just have to wait and see
We can apply the rudder although we have no engine power
No, there is nothing I can do about that
We can trim the ship by stern as much as possible. This will most likely change the direction and rate of drift.
The usual range of a VHF radio-set from ship to ship at sea is:
*There are 3 lifeboats on each side of a passenger liner engaged on international voyage. All these lifeboats are identical. What should be the total number of persons that can be accommodated in the 3 lifeboats on the starboard side altogether ?
at least 100 % of N (*) (*) N is the total number of persons that vessel is permitted to carry
*In a distress situation and immediately after the distress signal has been sounded, what next action should be taken by the officer on duty ?
send distress signal to call for help
use the VHF radio telephone to ask ships in the vicinity to stand by
use the intercom to inform crew and passengers of the reason for the alarm
call the nearest coast radio station
What is the general emergency alarm signal as specified in SOLAS?
One long blast followed by six short blasts
Continuous ringing of the alarm bells
Seven or more short blasts followed by one long blast
Six or more short blasts followed by one long blast
A lifejacket has sufficient buoyancy and stability to lift the mouth of an unconscious person at a minimum of:
120 mm above the water (in calm water)
40 mm above the water (in calm water)
160 mm above the water (in calm water)
180 mm above the water (in calm water)
Give the meaning of the following symbol
Survival craft portable radio
Survival craft distress pyrotechnic signals
How should the spare oxygen and acetylene gas welding bottles be stored onboard the ship?
In two separate rooms outside the engine room space.
In the workshop in the engine room as close as possible to welding equipment.
What should each manufacturer of cargo tank coatings issue ?
A information guide stating type, when and how many microns of coating applied.
A resistance guide stating which chemicals are compatible with the coating.
A information guide stating how many microns of coating applied.
A resistance guide stating which poisonous vapours are compatible with the coating.
If an inhibitor is added to an oil cargo, which of the following is a summary list of items to be included on its accompanying certificate?
Inhibitor name; amount added; date added; period of efficiency; precautions if voyage length exceeds that period; eventual temperature limitation.
Inhibitor class; amount added; date of expiry; minimum period of optimum efficiency; precautions to be taken when added; minimum temperature requirement.
Inhibitor class; percentage blended; date added; maximum period of efficiency and applicable temperature limits; maximum storage period on board; contact number of manufacturer.
Inhibitor name; percentage applied; date of expiry; precautions to be taken on voyage and interval of application; maximum temperature at which continuously effective.
The DoS addresses the responsibility for the security of the water around the ship and the verification of increased threat levels.
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.
What is the minimum number of bolts required in a 12 inch bolted flange cargo hose coupling?
What precautions should be taken for the deck covering in a steering gear room?
Lay removable wooden duckboards.
Apply a liberal coating of non-slip paint.
Any of the listed alternatives.
Lay removable open-grill metal duckboards.
Why is nitrogen used for the inerting of hold spaces and interbarrier spaces on LNG carriers?
Because of the high oxygen content of combustion generated inert gas.
Because the carbon dioxide in combustion generated inert gas would freeze when in close proximity to the cargo.
Because of the high humidity in combustion generated inert gas.
Because of the high temperature of combustion generated inert gas.
What is "Viscosity"?
The property of a liquid which determines its resistance to flow.
The scale which records the pour point of liquids.
The ability of a substance to overcome friction.
What is the meaning of the abbreviation "SWL" as stamped on lifting gear around the ship?
Which of the following is considered as a possible source of ingress of seawater into the cargo holds?
Hatch covers and coamings
To allow efficient pumping of aromatic Crude Oil cargoes, they are usually heated to reduce their viscosity. What is the ideal maximum viscosity that is normally achieved for this purpose?
Which of these is addressed in the latest amendment (34-08) of the IMDG Code?
The classification of Marine Pollutants as environmentally hazardous substances
Mandatory training provisions
Marking requirements for Marine Pollutants
What would be the most likely cause of a smell of "rotten eggs" in the upper casing of the engine room?
Fresh water evaparator malfunction.
Open or leaking acetylene bottle.
A leak of exhaust gas from a boiler or diesel engine exhaust.
Failure of the ship's refrigeration system.
Information about your ship’s security arrangements and procedures is stored electronically. Which of these measures will help safeguard it from potential threats?
Work history verification
During synchronising, the incoming generator should be running slightly "fast" compared to the busbar frequency.This is to ensure that the:
Incomer picks up as a generator
Incomers reverse power trip is tested
Incomer picks up as a motor
Most rapid synchronising action is achieved
A vessel with a large transverse GM will have which of the following rolling periods?
Fast abrupt rolling period to small angles.
A moderately comfortable period with medium angles of heel.
Slow period of roll either side of an angle of loll.
Very slow and to large angles of heel.
What would it mean if a dangerous cargo was declared as Class 3 (sub risk Class 6)?
The main hazards are flammability and toxicity
The main hazard is toxicity and the secondary hazard flammability
The main hazard is flammability and the secondary hazard toxicity
The secondary hazards are flammability and toxicity
What is extracted rape seed meal, soya bean meal, cotton seed meal and sunflower seed meal?
What is the main use for polyurethane foam onboard an LNG carrier?
As a fire retardant coating for the deck.
As a fire fighting medium.
As insulation for the cargo tanks.
As a sealant for deck openings.
A 6-Volt relay is to be used with a 12-Volt power supply. The relay requires a current of 0.1 Amp. What is the series resistance required.
On a General Cargo ship which of the following statements is correct?
Cold rolled steel coils must never be loaded in rain
Cold rolled steel coils may be loaded in rusty condition
Cold rolled steel coils may be loaded in rain
Cold rolled steel coils are always shipped in stainless steel envelopes
How is the prime mover load normally kept to a minimum when starting up an electric driven reciprocating type air compressor?
By using an unloading device to keep the compressor delivery valves open until the machine is up to speed.
By using an unloading device to keep the compressor suction valves open until the machine is up to speed.
By keeping the second stage drain valve open until the machine is up to speed.
By keeping the main discharge valve closed until the machine is up to speed.
How frequently should the PA-system (Public Address) be tested?
With reference to non-VIT diesel engine high pressure fuel pumps that have helix control, how is the timing of fuel injection normally adjusted?
By raising or lowering the pump plunger relative to the pump barrel.
By rotating the pump plunger relative to the pump barrel.
By changing the governor output signal.
By changing the opening pressure setting for the fuel injection valves.
If a vessel’s Moment to Change Trim by one Centimeter (MCTC) is 196 in saltwater, what would be her MCTC is water of density 1.015 T/m3?
What must be accessible at all times whilst loading and stowing ro-ro cargoes?
Fixed cargo lashing points
The vessel's bracket connections to ro-ro decks
"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.
How many rescue boats should be provided on passenger ships of 500 gross tons and above?
Two, one on each side of the ship
Two, and at least one of the rescue boats shall be a Fast Rescue Boat
Where is the normal position of the "Pivot Point" of the vessel when going ahead?
1/4 of vessel's length from the stern
1/3 of the vessel's length from the bow.
Normally varies dependant on the speed ahead
What is an unsaturated hydrocarbon?
Unsaturated hydrocarbons are colourless and odourless liquids and they are chemically reactive
Unsaturated hydrocarbons are colourless liquids with a sweetish odour, they are chemically non-reactive and have to be carried under high pressure
Unsaturated hydrocarbons are colourless and odourless liquids and they are chemically non-reactive
Unsaturated hydrocarbons are colourless liquids with a sweetish odour and they are chemically reactive
Which of the following statements is correct with regard to IMDG Class 4 (flammable solids) cargoes loaded on a General Cargo vessel?
The cargo is not covered by the requirements of the IMDG Code
The goods can only be carried in the forward part of the vessel
The cargo can be stowed anywhere on the vessel
The goods require protection against movement and can only be loaded if a cargo declaration is supplied by the shipper
Which one of the following international regulations is normally used when handling dangerous goods?
Which of the following pump types could be damaged if the discharge valve is closed before the motor is stopped?
How can you arrange for safe movement of passengers on ro-ro decks?
It is easy, only drivers are allowed to stay in the car during loading and unloading.
Passengers are responsible for their own safety while moving about ro-ro decks.
Passengers should be warned of vehicle movements when entering or crossing car or vehicle decks. They should preferably keep to walkways while moving about the ship.
Passengers should stay in their cars until loading is completed. They should keep to walkways when leaving the car.
"Part way through a profiling interview with a supplier, the package the individual is carrying arouses your suspicion. What do you do?"
Confront the individual and demand that he open the package.
Discreetly inform someone of your suspicions so he or she can get assistance.
Call for help on the radio.
Take the package and open it.
Oil analysis results show a high level of tin. What could be the cause of this?
Too high lub.oil temperature.
A 250V contactor has been fitted to a 220V supply. Which of the following symptoms might be observed?
Contactor chattering (vibrating)
When making a small repair to the furnace refractory lining it is common to make a patch using castable plastic refractory material. Which is the best method, from those given in the options, of securing the patch to the main refractory lining?
Drill holes in the main lining and fix some anchor bolts to cast the patch around.
Cut away the damaged area to form an undercut right around the edge and fill with the plastic refractory material.
Pin some wire mesh across the damaged area and cast the patch over it.
Make a smooth hollow in the damaged area and fill with the plastic refractory material.
You are at anchor and another chemical tanker is alongside to receive several parcels from your vessel. As you are not alongside, or actually in port, do you have to observe any of the usual precautions on deck?
No, when outside port limits, there are no requirements to observe any precautions.
No, the other ship is the receiving vessel, so the responsibility lies completely with her crew.
It is only necessary to observe precautions on deck if the agent or any other personnel from shore are on board.
Yes, there is no difference to a transfer operation whether it is alongside or with another ship at anchor.
Before a solid bulk cargo is loaded, the Master and shore representative must agree a loading plan which covers which of the following aspects?
Maximum permissible forces and moments on the ship
Quantity and rate of loading the cargo
All of the items specified in the possible answers
Which of the following statements is generally true in relation to inert gas systems for LNG carriers?
Most LNG carriers use the boiler exhaust as the main source of inert gas for cargo spaces as well as interbarrier and hold spaces.
Most LNG carriers have Nitrogen generators capable of providing all of the inert gas requirements for cargo spaces as well as interbarrier and hold spaces.
Most LNG carriers have a combustion type inert gas generator for the cargo tanks and a Nitrogen supply or generator for interbarrier and hold spaces.
Most LNG carriers do not have inert gas facilities fitted onboard and rely on shoreside installations to provide inert gas as required.
What factors do you consider as important before mooring a vessel?
Use of proper Personal Protective Equipment, Mooring stations should have effective hazard markings/ hazard highlighting, Stay clear of mooring ropes/wires, Be aware of Snap-back Zone, Proper procedures
Use of proper Personal Protective Equipment and be aware of Snap-back Zone
Use of proper Personal Protective Equipment
Use of proper Personal Protective Equipment, Well maintained mooring equipment, Make sure the area is tidy and clean, Mooring stations should have effective hazard markings/ hazard highlighting, Stay clear of mooring ropes/wires, Be aware of Snap-back Zone, Proper procedures, Effective communication
A new joint is required for a sea water pipe flange and there are no ready made spares. What is the best method for making a new joint from a sheet of rubber insertion?
Use the old joint as a template to mark out the new joint on the sheet of rubber insertion and cut out the joint with scissors.
Cut a piece of rubber insertion with a hole in the middle roughly to size and fit it between the flanges. Hammer the bolts through to get the bolt holes in the correct position.
Measure the flange diameter, PCD and bore using a ruler and callipers and then use jointing scissors and hole punches to form the new joint.
Cut a piece of rubber insertion from the sheet and use a hammer to knock out the holes for the bolts and the bore against the flange.
On a conventional reefer vessel the 'tween decks and lower hold are provided with scuppers leading into the hold bilges. The scuppers normally designed with a U-bend or non-return bend. Complete the following statement from the options given. "Prior to loading a cargo of hard frozen products the U-bend should be…
…filled with clean fresh water."
…filled with clean sea water."
Why do we use nickel-alloyed steel, stainless steel or aluminium in cargo tank construction on gas carriers designed for LNG and LEG?
Because these metals have a very low thermal expantion coefficient and do not burst of extreme low temperatures
Because these metals cost less than other metal
Because these metals have a high thermal expansion coefficient and do not burst of extream low temperatures
Because the weight on this metals are not so high than other metals
As per SOLAS a fast rescue boats shall be capable of:
Manoeuvring for at least 8 hrs at a speed of 10 knots
Manoeuvring for at least 4 hrs at a speed of 20 knots in calm water
Manoeuvring for at least 4 hrs at a speed of 8 knots
Manoeuvring for at least 4 hrs at a speed of 4 knots
How should a crew member on duty prevent scratching vehicles?
By removing his safety helmet when approaching a vehicle
By maintaining a safe distance from all vehicles
By wearing gloves at all times
By not wearing or carrying any external metal accessories
What is the purpose of a draught survey on a bulk carrier?
To calculate the vessels lightship displacement
To calculate the vessels constant
To calculate shear forces at the bulkheads
To calculate the quantity of bulk cargo loaded or discharged
What is the approximate API gravity of Arabian Light Crude?
What English name is given to a sauce or relish made of chopped fruit and vegetables with spices and herbs, commonly used as a complement to cold meats?
While assisting the watchkeeper with routine cleaning of the fuel oil separator the watch rating is requested to clean the plate stack. Which of the options given is the preferred method for such a task?
With the plate stack in position fill the purifier bowl with clean diesel oil and quickly switch it on and off to wash the plates.
Soak the dirty plates in a solvent for an hour and then stand them on the engine room deck to drain off.
Soak the plates in a suitable solvent until all of the dirt has loosened off and wipe clean with rags.
Scrape the plates as clean as possible with a packing knife and then wash them with a high pressure water hose.
You have just completed discharge of a cargo of Iso-Butanol and are preparing for tank cleaning. The pumpman is going round the deck checking the cargo pump cofferdams for any leakage of hydraulic oil or cargo. What term is applied to this procedure?
What kind of cargo pumps is most common on LNG carriers?
Single stage deepwell pumps.
Multistage deepwell pumps.
If a vessel’s Tonnes Per Centimeter immersion (TPC) is 28.80 in saltwater, what would be her TPC is water of density 1.015 T/m3?
What must be done once the cargo holds of a General Cargo ship have been opened to discharge logs?
Carry out mechanical ventilation
Keep the holds open for as long as possible before allowing anyone to enter
Commence discharging immediately
Measure oxygen levels prior to allowing persons to enter the hold
On a container vessel why is it important not to exceed stack allowable weights?
The lashings can be overloaded
The GM can become excessive leading to high roll accelerations
Torsional effects on the hull
It can cause failure of the corner posts of the containers stowed at the bottom of the stack
In which publication do we find information about the most common liquefied gases?
In ICS Tanker safety guide
In the vessels deck log book
In the International certificate of fitness
The circuit shows a full-wave bridge rectifier. Which electronic component will you connect between 'a' and 'b' in order to obtain reduced ripple voltage to the load RL.
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
What is typical for a continuous control system
The output signal is equal to the input signal
The control valve will always be changing positionv
It is possible to predict the control mathematicallyIt is possible to predict the control mathematically
It is not possible to have a stable process
What is the name of UN maritime division?
The UN maritime division is UNM (United Nations Maritime)
UN does not have any maritime division.
The UN maritime division is IMO (International Maritime Organisations)
The UN maritime division ISO (International Shipping Organisation)
Give the meaning of the following symbol:
You are going to start firing a boiler. Which of the below mentioned alternatives do you consider as most important?
Bottom-blowing the boiler to be absolutely convinced that water is present in the boiler.
A thorough ventilation of the combustion chamber before the ignition takes place.
Opening the main steam pressure outlet valve.
Activating the main safety valves.
What do you understand with a computer's POST system?
A series of tests run by the computer at power on
Storage area in memory having a specified storage capacity
An area of the hard disk that stores the DOS system
An old type video adapter
P = U x I x Root of 3) x cos (fi) What is the formula for I ?
The most important preparation prior to Arrival to / Departure from ports is:
Start an additional auxiliary engine
Control the power reserve
Control the fuel injection valve pressure setting
Why is the maximum pressure in a Plate Heat Exchanger usually limited to about 10 bar?
Possibility of rupturing the plates.
Difficult to seal plates above this pressure.
All the other alternatives.
The principal objects for boiler feed water treatment should be:
Prevention of corrosion in the boiler and feed water system by maintaining the boiler water in an alkaline condition and free from dissolved gases.
Control of the sludge formation and prevention of carry over with the steam.
Prevention of scale formation in the boiler and feed water system by (a) using distilled water or (b) precipitating all scale forming salts into a non-adherent sludge.
All of the mentioned reasons.
What is the meaning of the term "valve clearance"?
The clearance between valve spindle disc and seat.
The clearance between the rocker arm and camshaft pushrod.
The clearance between the rocker arm and valve pushrod.
The clearance between the rocker arm and valve pushrod in either warm or cold state.