Тест состоит из случайных вопросов по выбранной теме.
The mandatory color of a hand flare is:
The duty engineer of a UMS ship is approached by a member of the ship's staff, seeking permission to hang wet working clothes in the engine room to dry. Should he:
Allow the clothes to be hung over a rail provided there is no electrical equipment directly below
Allow the clothes to be hung over rail next to the warm F.O. service tanks
Allow the clothes to be hung over a rail anywhere
Not allow the clothes to be hung anywhere in the unmanned machinery spaces
Automatically connected telephone calls via INMARSAT A are charged
on the basis of a one minimum charge with one minute incremental steps
on the basis of a six second minimum charge with six second incremental steps
on the basis of a three minute minimum charge with one minute incremental steps
on the basis of a six second minimum charge with one second incremental steps
With an increase in temperature the volume of flammable and combustible liquids :
Remains constant if pressure remains constant
You are on a vessel 10 nautical miles off the coast of Algerie, in the Mediterranean Sea. Are you allowed to dump food waste overboard?
Yes, all kind of food waste can be dumped overboard
Yes, the food waste can be dumped if it is ground so that the resulting particles can pass through a screen with 50 mm openings
No, food waste can not be dumped overboard
Yes, the food waste can be dumped if it is ground so that the resulting particles can pass through a screen with 25 mm openings
You are on a power-driven vessel underway in open water. This vessel is sighted on the port bow on a steady bearing. What kind of vessel is it and what will your action be?
This is a sailing vessel not making way through the water. There is no risk of collision and I will maintain my course and speed.
This is a vessel engaged in fishing. It is my responsibility to keep clear under rule 18 and I will alter course to starboard, sounding one short blast.
This is a sailing vessel underway. I am the stand-on vessel and will maintain my course and speed under rule 17.
This is a sailing vessel underway, seen head-on. It is my responsibility to keep clear under rule 18 and I will take appropriate avoiding action.
You are on ship A. What would you do before meeting ship B?
Stop the engine before meeting, and apply engine during meeting
Increase speed to full ahead, 13 knots
Put the engine to full astern
Increase the speed to 8 knots
Messages which aren’t intended for own ship farther:
must be noted in the radio journal
The ship is involved in a collision, what is the immediate action by the Officer of the Watch after the incident has taken place?
Call the Master and check the position for any immediate dangers.
Stop engines and check over the side for any signs of pollution.
Sound the General Alarm and stop engines.
Contact the other ship and send the bridge lookout down to start taking soundings
If your chemical tanker is equipped with high velocity venting valves, at what minimum height above the weather deck or catwalk should they be installed?
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 1.25 times the maximum allowable working pressure.
That no leakage occurs at the nominal anticipated 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 under static liquid pressure of at least 1.5 times the maximum allowable working pressure.
Why do blunt knives cause accidents?
Because they will need to be held at a more shallow angle when cutting.
Because the blunt edge will contain grease particles.
Because they require more pressure to be used and are more likely to slip.
Because the handles are more likely to be loose.
The typical current gain of a common emitter transistor is
The crane on a General Cargo Ship is designed for Grab Service with a hoisting load of 16 tonnes including grab weight. Grab weight: 8 tons, Grab cubic: 10 m3. You are going to discharge a cargo of dry minerals having a stowage factor of between 0.7 - 0
Ethylene is normally carried on fully refrigerated liquefied gas carriers at its atmospheric boiling point. What is the approximate atmospheric boiling point of ethylene?
On what design temperature do we need full secondarry barrier
When the design temperature is below –55oC
Only if the cargo tanks are loaded
When the design temperature is below –55oC and the tank is not independent type B or C, we must have full secondary barrier
When we are carrying cargo on less than –10oC
What action would you take if confirmed boiler water test results showed that the pH of the water in the boiler was below 7?
Blow the boiler and top up again with untreated feed water.
Retest the water after increasing the treatment chemical dosage.
Nothing, this is an acceptable value for the pH of boiler water.
Retest the water after decreasing the treatment chemical dosage.
What is the purpose of a "part flow display system" installed on some oil tankers ?
The Part Flow System makes it possible to observe the discharge visually for oil content, even in darkness
The Part Flow System makes it possible to discharge dirty ballast below the water line on older tankers
The Part Flow System makes it possible to measure the oil content, even if the Oil Discharge Monitoring Equipment is not working
The Part Flow System makes it possible to observe the discharge visually for oil content, on older tankers with discharge below the waterline
The bones in the human body are connected to each other by:
What should not be done when a container of liquid ammonia is on fire?
Cool the container with water
Use a dry chemical fire extinguisher or carbon dioxide gas
Use self-contained breathing apparatus
Failed O-rings on a 2 stage air compressor cylinder liner have resulted in a water leak. Where is the leaking water most likely to go when the compressor is operating?
Into the crankcase and mix with the lube oil.
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
A vessel's cargo spaces have been cleaned following discharge of a cargo of onions. However a smell of onions still persists. Select the action that should be carried out before the space can be considered as ready for the next refrigerated cargo from the options given.
Wash down the space with clean fresh water.
Wash down the space with an approved agent such as 6% hydrogen peroxide.
Wash down the space with a scented detergent (lemon or pine).
Following replacement of a diesel alternator governor the machine is test run on load. It is found that as the load is gradually increased the voltage and the frequency gradually fall to an unacceptable level. The governor is a mechanical hydraulic type. Select from the options given the correct adjustment to make to correct the situation.
The governor load limit should be increased.
The governor droop should be increased.
The governor droop should be reduced.
The governor load limit should be reduced.
What do we mean with LEL when measure the atmosphere?
LEL is limit for level alarm
LEL is lowest temperature for ignitionLEL is limit for level alarm
LEL is lower explosive limit
What is the endless piece of rope used extensively for the slinging of cases or bales, called?
Modern slow speed, two stroke diesel engines often have locating pins or pegs to keep the piston rings in a fixed position. Why is this arrangement used?
It ensures the rings cannot be mixed up and that they are fitted in the correct order on the piston.
It avoids the risk of the ends of the piston rings being forced out by the gas pressure and catching on the scavenge ports.
The piston ring gaps can be kept in line to control the gas pressure on each of the rings.
The piston rings are more difficult to lubricate because of the slow operating speeds and will wear more quickly if they are allowed to rotate.
Which function is this circuit performing?
In which of these circumstances can your ship request a DoS?
There is a heightened security risk for your ship and a port facility.
Your ship is conducting activities with a port or ship that is not required to implement an approved security plan.
Your ship is operating at a lower security level than the ship or port it is interfacing with.
Your ship has added a new port to its list of ports of call.
What is a low location lighting system?
A light system powered by battery or fluorescent signs mounted at deck level indicating the way to the nearest exit
A system displaying the escape route from all cabins by light points in the ceiling, powered by battery
An illumination system for all corridors in cabin areas
An emergency illumination system that illuminates all deck areas to a minimum
Your ship has its main entry door from the maindeck on the starboard side, a few metres back from the front of the accommodation. It is also the closest emergency exit from the ship's offices and the crew mess-room in the event of an emergency. You are about to commence loading cargo. There are no significant security concerns. What should happen to the door?
It can be open, provided the wind is blowing away from the accommodation.
It should be closed and locked.
It should be closed, but not locked.
It should be open in case an emergency occurs.
What is weblash equipment used for?
Securing cargoes with high centres of gravity
Securing project cargoes and cargoes on bolsters
Securing the jibs of mobile cranes
On a RoRo vessel, why should there be no more than two lashings secured to any one point on a ro-ro unit?
Because the vehicle securing point is likely to break in heavy weather
Because the vehicle itself is likely to tip over during heavy weather
Because the securing forces will not be evenly distributed
During a visual inspection of a cargo of bananas a crewman notices that the fruit in one of the cartons is yellow. Select, from the options given, the best action to take in these circumstances.
Put the carton with any other similar cartons together in the cargo space.
Remove the carton from the cargo space if possible.
Move the carton to the battery room/cooler room.
It is not necessary to take any action as this is only one carton in amongst thousands of others so it won't make any difference.
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.
A CBT-tanker arrives at the loading port in ballast condition. What is today’s normal procedure for this type of vessel when loading?
Deballasting and loading simultaneously.
Pump out all the ballast before commencing loading.
Load a part of the cargo, de-ballast and resume loading.
What is the purpose of the flame scanner or 'magic eye' fitted to the burner unit of oil or gas fired steam boilers?
To check the colour of the flame.
To control the combustion air supply to the boiler.
To check that the flame is present during start up or normal operation of the burner; if not then fuel is shut off automatically.
To check the colour of the exhaust gas from the furnace.
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.
For what can a vessel be held responsible by a port authority?
The gangway resting on a damaged jetty
Damage to cargo during loading
What is the correct understanding of the term "FAIRLEAD"?
The access point where mooring lines are lead when making fast to the shore.
A fairlead is the hole through the deck where the anchor chain passes into the chain locker.
A fairlead is the direction that a mooring rope makes from the ship when made fast to the shore.
A fairlead is the hole through the ships side through which the anchor chain passes.
Which of these statements about drug smuggling is true?
"The preventative measures you incorporate into your ship’s security plan should be exhaustive, regardless of the level of threat identified by your ship’s security assessment."
The risks to ships are not restricted to specific areas or trading routes.
Drugs are difficult to conceal onboard a ship.
"Drug smuggling is only a problem in certain ports, so only ships sailing in those ports need to implement preventative measures."
In what format will an On-Scene Co-ordinator report such information as on-scene weather and operation progress to other parties?
From the options given, select the type of cleaner that is most suitable for washing down a refrigerated cargo space.
A cleaner which contains a powerful bleaching agent.
A cleaner which has a fresh smell such as the smell of pine.
A cleaner containing a powder scouring agent.
To which of the following ratios are transverse accelerations related?
Ship’s breadth divided by LCB
Ship’s breadth divided by the maximum righting lever
Ship’s breadth divided by GM
Ship’s breadth divided by the distance between cargo units and the ship's centreline
The maximum current that a 15 Volt, 3 Watt Zenerdiode can handle without damage is
In the context of ship design, what does the abbreviation "OBO" stand for?
A conventional reefer vessel is to have its refrigerating capacity increased by fitting a 'power pack' consisting of a diesel engine and generator housed in a twenty foot container. Which of the options given would be the best location to stow the ‘power pack’?
On the main deck, close to the fresh air inlets.
On the main deck, close to the fresh air exhausts.
On the main deck, well clear of the fresh air exhausts.
On the main deck, well clear of any fresh air inlets.
If an enclosed space needs to be entered, what is the first thing that must be done?
A responsible person must be appointed
The chief officer must be asked for permission to enter the space
A full Risk Assessment must be caried out
Two crew members must be asked to stand-by outside the space
Indicate the correct name of the tool on the sketch:
In accordance with SOLAS and other international regulations, certain important machinery functions, such as operation and control of the steering gear and propulsion machinery, must be tested at specified times. When should these tests be carried out?
Only following maintenance.
Only at stand by engines.
Prior to arrival and departure from port and following maintenance.
The reporting of incidents involving harmful substances and / or marine pollutants is regulated under which international guidelines?
Protocol I of MARPOL 73/78.
The UN Convention on the Reporting of Accidents and Incidents which Present a Hazard to the Marine Environment 2004.
Appendix B of the Supplement to the IMDG Code.
What is most important when using expanded square search?
On a reefer vessel air is passed over the cooling coils before entering the cargo hatch via trunking to cool the cargo. It is important to ensure that the cooling coils are clear of any material such as plastic sheeting or bags. Why is this so important?
The plastic material may block scuppers and bilges.
The plastic sheeting may be picked up by and foul the cooling fans.
The plastic may interfere with the air flow over the cooling coils and subsequently the cooling of the cargo.
The plastic material may affect condensation forming on the cooling coils.
After communication plugs are connected, the ESD is tested from?
What is meant by being intrinsically safe?
Electric wiring executed by approved manufacture?
Any electrical product, being water resistant?
Explosion proof product having a special wiring system?
Can not produce enough energy to ignite a gas (explode)?
Some perishable cargoes which are normally carried refrigerated can also be carried non-refrigerated even on a long sea passage. This requires that the commodity is suitably packed and correctly ventilated during transport. Select the option which correctly completes the following statement. "The type of cargo most suited for a sea passage under ventilation only would be…
In a low pressure auxiliary boiler, if after testing the water, You found the P. alkalinity to be 50 PPM CaCO3, what action would You take?
Blow down the boiler and reduce dosage.
What is the normal name of the waterproof suit shown in the picture?
During routine checking of alarm functions of main and auxiliary equipment, some setpoints are canceled due to a mistake. What is the appropriate routine to ensure correct setpoints are set?
Ask your colleague if he remembers the correct setpoint
Check from previous records for correct values
Consult with the instruction manual for the equipment in question for correct values.
Select a setpoint based on present condition allowing for a reasonable safety margin.
What would you do if you were told that cargo on a flatrack has a tendency to deform or to compact during the voyage?
Slacken the cargo securing gear
Ensure that the cargo is secured as per shipper’s instructions
Accept the cargo as it is and clause the mate’s receipt accordingly
The engine RPM drops because of:
Fuel oil pipes or filters are clogged.
High lubricating oil temperature.
During start up of a steam plant it is necessary to warm through the steam range prior to use. How should this warming through be carried out?
Open the bypass/warming through valve and then fully open the main stop valve over a period of two minutes to ensure the warming through is completed as quickly as possible.
Using the bypass/warming through line for the main stop valve and with all line drains open to ensure all condensate is removed.
With the line drains closed to avoid losing too much high quality water.
Crack open the main stop valve and keep the drains open.
Which of the following statements is in compliance with international regulations?
The securing of cargoes must be completed before sailing
The securing of cargoes must be completed within two hours of leaving the berth
The securing of cargoes must be completed before the ship leaves the berth
The securing of cargoes may be completed at anchorage
What is the first thing you would check when taking over a boiler watch
What temperature do we calculate on when using the ASTM-IP tables?
We calculate the liquid weight at actual temperature.
We calculate the liquid weight at +25 C.
We calculate the liquid weigh at ambient temperature.
We calculate the liquid weight at +15 C.
Which approved publication should be used by a seafarer to help overcome any misunderstanding in communications?
The Oxford Concise Dictionary
The (ICS) Bridge Procedures Guide
Standard Marine Navigational Vocabulary
The (IMO) Standard Marine Communication Phrases (SMCP) booklet
Liquefied gas is, by IMO, divided into different groups. What is the criterion for this division?
The boiling point, chemical bindings, toxicity and flammability.
The hydrocarbon and nitrogen content.
What are the requirements for heat exchangers that are used for heating the cargo during cargo handling operations on an LPG carrier?
The only requirement is that they must be designed and tested to tolerate minus 48 degrees C
They must be designed to withstand temperatures of minus 162 degrees C.
The only requirement is that they must be able to raise the cargo temperature to above 10 degrees C for transfer to shore storage tanks.
They must be designed to withstand the expected operating conditions with respect to pressure and temperature and the materials must be compatible with the cargo.
Why do we have longtitudal bulkhead in a prismatic cargo tank
To reduce the free surface ”sloshing” on the cargo
To control the list of the ship
To load two grades of cargo in one tank
To increase the transverse strength of the cargo tank
A positive displacement type flow meter is defective and cannot be repaired. It is to be replaced with a new instrument which uses a Venturi type sensor. Which of the pneumatic relays given in the options will be required in order for this type of instrument to function correctly?
Square root extractor relay.
For a search to be effective it must be:
Conducted by personnel with limited knowledge of the ship’s layout.
Inclusive of all personnel.
Which of the given options is IMO's definition of liquefied gas as used in its Gas Codes?
Liquid with vapour pressure exceeding 2.8 bar absolute at a temperature of 73.8 C.
Liquid with vapour pressure exceeding 2.8 bar absolute at a temperature of 37.8 C.
Liquid with vapour pressure exceeding 1.8 bar absolute at a temperature of 38.7 C.
Liquid with vapour pressure exceeding 1.8 bar absolute at a temperature of 87.3 C.
A number of standard 20 foot containers are to be loaded on the deck of a General Cargo ship by No 3 hatch; what are the main checks to be made ?
Containers weight recorded and secured with chains
Containers stowed with doors forward, customs and security seals checked intact
Containers stowed with doors aft, customs and security seals checked intact and clear access to lashings
Containers stowed with doors forward, customs and security seals checked intact; access to lashings unimportant
What is the primary hazard associated with the carriage of a bulk cargo of salt on a Bulk Carrier?
There are no special hazards associated with this cargo
The cargo may be liable to self heat.
The only possible hazard is associated with ingress of water into the hold and a loss of stability
This cargo maybe liable to spontaneous combustion
What is the maximum allowable tank design pressure in the vapour space for Independent tanks type "A"?
Why do we insulate cargo tanks and other components?
To protect the crewmembers.
To prevent heat flow in the cargo, and to protect the ship's bunker tanks.
To prevent heat flow into the cargo, and to protect the ships structure.
This vessel is sighted ahead and slightly to port. What is her situation? What will you do?
This vessel is aground. I will navigate with extreme caution given the nature of the hazard.
This is a vessel not under command at anchor.
This is a vessel engaged in fishing vessel, with her nets fast on an obstruction. I will keep out of the way by rule 18 of the International Collision Regulations.
This is a vessel aground. She appears to have been headed to starboard of my track and I will therefore alter course to port, passing under her stern.
Which group of dangerous goods is generally considered as being the most hazardous for marine transportation on a General Cargo Vessel?
A temperature control system is exhibiting hysteresis. Checks on all of the system components show that they are functioning correctly. Which of the changes/modifications given in the options is most likely to correct this problem?
Fit a valve positioner to the system.
Fit a new temperature sensor with a narrower temperature range.
Increase the pressure of the air supply to the controller.
Slacken off the control valve gland.
What means of communication shall be provided to each member of the fire patrol?
Telephones in public spaces
Emergency telephones and Public Address system
It is possible to operate two similar generators in parallel at equal power (kW) but at different power factors. The generator with lower power factor will run:
Hotter due to increased current
Cooler due to increased speed
Faster due to increased voltage
Slower due to increased current
Why did the new Cadet want to go to the messroom?
The new Cadet wanted to go to the messroom to sign the Articles of Agreement
The new Cadet wanted to go to the messroom to get some rest
The new Cadet wanted to go to the messroom to become acquainted with the officers
The new Cadet wanted to go to the messroom to check that his papers were in order
In describing the characteristics of oil cargoes or oil / water slops, what is a mercaptan?
The component of hydrocarbon-based cargoes which is formed from Merolion Carbonized Tannin.
A device fitted to a cargo pump which automatically alerts the operator once traces of water start to be detected during discharge.
A chemical additive blended with crude oil to inhibit the natural "rotton egg" smell associated with certain grades.
A colourless, odorous gas, with a smell similar to rotting cabbage and which is generated naturally by the degredation of natural organisms, as may be found where water has remained under oil for a long time.
What do you understand by the expression Slave Controller
The controller is following a pre-set control sequens
The secondary controller in a cascade control system
The controller is always working hard
During a stay in port, what shall always be ready at the gangway?
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)
This is a parallel L-C circuit with a curve showing frequency- impedance characteristics. Which of the formulae A to D will you utilize for determining the resonant frequency f?
f o = 1 / (2*Pi* sqrt (L/C))
fo = 1 / (Pi*sqrt (1 - LC))
One of the Main Engine cooling pumps is down for maintenance. The rest of the cooling pumps are operating near full capacity with minimum margins on the maximum temperature limit. What should be the correct action to take with regard to UMS operation?
Operate the engine room on manual mode until the maintenance is completed and the cooling pump is operational and switched to stand-by mode.
Arrange frequent checks of the condition during the night otherwise operate in normal UMS-mode
Arrange with a rating "on watch" in the engine room for the UMS period.
Hope that the alarm function and automatic temperature regulation will function correctly and switch to UMS-mode as normal
A ships 3 - phase a.c. system has 440 V and 220 V sections. The effect of a single short circuit fault to earth on a 220 V line will cause which of the following earth lamp indications:
In 440 V section: all lamps equally bright. In 220 V section: Two lamps bright one lamp dark.
In 440 section: All lamps equally bright. In 220 section: All lamps dark.
In 440 V section: All lamps equally bright. In 220 V section: One lamp dim.
In 440 V section: One lamp dim. In 220 V section: One lamp dim.
A vessel's main propulsion system consists of a pair of medium speed diesel engines driving a single controllable pitch propeller through clutches and coupled through a reduction gearbox. What is the preferred sequence to follow when going from two engine to single engine operation? Assume engine A is to be stopped and engine B is to continue running
Stop engine A and check that clutch automatically disengages and governors for both engines operate correctly for testing purposes.
Pitch to zero thrust, disengage clutch of engine A, increase speed of engine B and propeller pitch as required. Stop engine A after a suitable cooling period.
Disengage clutch of engine A. Stop engine A after a suitable cooling period.
Pitch to zero thrust, reduce speed to idling speed, disengage clutch of engine A, increase speed of engine B and propeller pitch as required. Stop engine A after suitable cooling period.