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Онлайн-тестирование: Онлайн-тест CES 5.1 для Ch-Eng / 2nd-Eng
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Тест состоит из случайных вопросов по выбранной теме.
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The hydrostatic release unit used in the float-free arrangements will automatically release the liferaft at a depth of not more than:
4 m
8,50 m
1m
2,50 m
*What is the factor that makes the difference between a deflagrating and a detonating explosion?
The initial pressure, temperature and moisture content
The material which is at the origin of the explosion (powder or gas)
The speed of the shock wave created by the initial combustion
The confinement of the place where the explosion occurs (inside or outside)
*On a cargo ship, what is the requirement for the ventilation ducts more than 2 metres long ?
They must be fabricated of fire-resistant material
They must be fabricated of non-combustible material
They must have lining of non-combustible insulating material
They must be isolated from any combustible material
By running a centrifugal pump what will happen if the NPSHA (Net positive suction head available) is less than NPSHR (Net positive suction head required) ?
The pump will not draw liquid.
The pump will overheat.
The pump will suffer damage
The pump needs to run faster.
*What is the chapter of the SOLAS that regulates all themes related with such matters as fire protection, fire detection and fire extinction?
Chapter II-1
Chapter III
Chapter X
Chapter II-2
*What is (are) the basic component(s) of a Fire detection system?
the detector heads
The control unit
The power supply
All the alternatives mentioned
*According to the SOLAS definition, what is an incombustible material?
A material that neither burns nor gives out flames when it is exposed to the standard fire test for 30 minutes
A material that neither burns nor emits flammable fumes in such a quantity as to experience ignition, when the temperature rises to 750 ?C
A material that is made out of steel or equivalent material
A material that neither burns nor gives out flames when it is exposed to the standard fire test for 1 hour
What manoeuvre should be carried out in case of a fire onboard a ship?
Let the ship follow the wind in order to reduce the oxygen supply
Continue on course and speed
Reduce speed and, if possible, keep the fire zone to the leeward of the ship
Keep the stem up against the wind if possible
*What is the working principle of the detectors of a common fixed sprinkler fire-extinguishing system?
they are smoke detectors
they are flame detectors
they are rate-of-rise detectors
they are fixed-temperature detectors
*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 all ships?
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
Two 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
Fuel oil from a leaking fuel pipe has been collected in a drip tray under the boiler furnace. The oil is suddenly ignited by a backflash from the boiler burner. You are in the boiler room and you may chose among various extinguishers. Which one can you use?
Water extinguish
Powder extinguisher
Any of the mentioned extinguishers
CO2 extinguisher
By “collect call” is meant:
a call for account of the receiver
an urgent call
Don't know
a group call
For how long is the health certificate valid for a seafarer in foreign trade?
No time limit.
Two years.
One year.
Three months.
New MARPOL regulations came into effect from July 93 stating that the oily water separator which was previously certified for 100 ppm be changed to:
15 ppm
25 ppm
50 ppm
10 ppm
What is correct UTC in this example? Approx. Pos: N49°51' W35°23', zone +2, Local Time 0900.
23 00
19 00
07 00
11 00
Your ship is going full ahead as you start to slow down. Where is the position of the "pivot point" now? No wind, current.
The "pivot point" will move to the stern
Same position as when the ship is on full ahead
It will move aft as the ship slows down
It will move to the side of the center line
What is understood by the term "Balanced Rudder"?
A rudder with equal rudder area forward and aft of the turning axis, the turning axis being at the geometrical centre of the rudder area
A rudder with part of the rudder area forward of the turning axis, therefore reducing the load on the steering motor.
A rudder which is operated by two steering motors providing equal amounts of thrust to the rudder
A rudder with an additional flap attached the training edge to improve the rudder efficiency
Give the meaning of the following symbol:
liferaft
inflate liferaft
davit launched liferaft
lower liferaft to water
A lifebuoy is constructed to withstand a drop into the water from a height of:
30 m
4,50 m
18 m
10 m
*Which among the following list is particularly required for a totally enclosed lifeboat ?
windows on both sides can be closed watertight and opened for ventilation
self-bailing arrangemens
automatic self-righting abilities when every persons are held in their place
handrails inside for persons moving to their seats.
*Give the meaning of the following symbol
Start air filling of the liferaft
Start air filling of the davit launched liferaft
Start air supply
Start ventilation of the lifeboat
How much water would you allow per person as officer in charge of the lifeboat, following an abandon ship operation?
1litre immediately, followed by ? litre, if possible, per day (more in the tropics)
Nothing for the first 48 hours, then 1/4 litre, if possible, per day (more in the tropics)
Nothing for the first 24 hours, then 1 litre or more if possible per day (more in the tropics)
Nothing for the first 24 hours, then ? litre or more, if possible, per day (more in the tropics)
What is the meaning of this symbol ?
Davit-launched liferaft
Evacuation slide
Embarkation ladder
Lower lifeboat to water
*Which one of the following items has to be included in an abandon ship drill?
Starting and operating radio life-saving appliances
Launching and recovery of a survival craft
ensuring that passengers and crew are made aware of the order to abandon ship
Manoeuvring the lifeboat in the water
Which of the following detailed explanations should be mentioned in the Training Manual ?
The use of navigational equipment for survival crafts
The methods of retrieval
The use of escape routes and other escape methods
The use of surface to air visual signals to be used by survivors
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. The training manual shall contain detailed explanations of crew duties in relation to emergency situations. Which of the following tasks or duties shall be included in the manual according to present regulations?
The use of the ship's line throwing apparatus.
The use of navigational equipment for survival crafts.
The use of surface to air visual signals to be used by survivors.
The use of escape routes and other escape methodes.
What should be carried out before entering the pump room?
Run the ventilation for at least 15 minutes
Notify the Chief Officer or officer on duty
Always carry a walkie talkie with you into the pump room and call for help immediately if you start feeling dizzy
Notify the Chief Officer or officer on duty and run the ventilation for at least 15 minutes.
What IMO conventions take care of the human safety at sea?
There isn’t any conventions that take care of the human safety at sea
It is the MARPOL conventions that take care of the human safety at sea
It is the STCW 78/95 that take care of the human safety at sea
It is the SOLAS conventions that take care of the human safety at sea
What is the main advantage of having a central cooling system fitted on board ship?
It should require less maintenance than a conventional system using only sea water.
It does not require any seawater.
It is a simple system with minimum control requirements.
Only one heat exchanger is needed for all cooling duties.
Which shipboard publication sets out calculations for cargo lashings?
The Cargo Securing Manual
Carriage of Safe Cargoes
SOLAS 74/78
The Cargo Stowage and Security (CSS) Code
Under the IMDG code what class is assigned to a Fumigated Container?
Class 8
Class 9
Class 5
Class 6
A viscosity controller for the main diesel engine fuel oil supply is giving poor control resulting in the viscosity of the fuel oil being too low at the engine. Which of the defects given in the options is likely to be the cause of this problem?
The bellows in the DP cell is ruptured giving no differential pressure signal.
Capillary tube in the viscometer is blocked giving high differential pressure at the DP cell.
The air supply pressure to the controller for controlling the steam valve for steam to the fuel heater is too low.
The drive for the internal sample pump for the viscometer has sheared.
UFL and LFL are commonly used expressions. What do they signify?
Expressions have no meaning.
Unstable Flash Level / Lower Flash Level?
Upper Fixed Level / Lower Fixed Level?
Upper Flammable Level / Lower Flammable Level of explosive atmosphere?
Under U.S. Occupational Safety and Health Administration (OSHA) regulations when is a Vertical Tandem Lift possible?
When two intermodal containers one on top of the other are connected by semi-automatic twistlocks
When three intermodal containers in a stack are connected by fully-automatic twistlocks
When two intermodal containers one on top of the other are connected by fully-automatic twistlocks
When three intermodal containers in a stack are connected by semi-automatic twistlocks
The DoS addresses the responsibility for the security of the water around the ship and the verification of increased threat levels.
TRUE
FALSE
.
When there is a need to interupt current flow in a high voltage system it may be very difficult to quench the electrical arc which is generated at the circuit breaker contacts. Which of the following arcing media is commonly found in high voltage marine switchgear?
Vacuum
Air
Water
Oil
When starting a flue gas plant on an oil tanker and after all intial checks have proved satisfactory, which of the following steps will be the first in the operation sequence?
Open air vent valve
Open the flue gas isolating valve
Open blower discharge valve
Start blower
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
Which of the following kinds of fish is the least perishable in cold storage?
Herring
Salmon
Halibut
King klip
What should you observe when patrolling public areas on board?
Drunk people
Stowaways
If all the fire extinguishers are in place and that fire doors are open
All abnormalities that may affect the safety/ security of passengers, crew and the ship
What must be ensured at the commencement of cargo operations, on a general cargo vessel?
That all fire dampers serving the cargo holds, are closed
That all fire dampers serving the cargo holds, are open
That the carbon dioxide gas lines to each cargo hold contain a small amount of moisture
That the carbon dioxide gas lines to each cargo hold are clear
Your vessel has gone aground on a rising tide on a shallow patch charted as a sand bank. The sea is calm with minimum swell and there is little wind. What immediate actions should be taken?
Immediately put the engines astern and attempt to take the vessel off the bank
Inform the nearest Coast Radio Station of the grounding; issue a Navigational Warning and display the "aground" signal
Display the Aground signal and sound round all tanks and bottom compartments to determine if there are any damaged compartments or ingress of water.
Display the "aground" signal and look round the outside of the vessel to determine if there are any signs of pollution
On a Container vessel, who is responsible for the safe lashing and securing of containers?
The chief officer
The duty officer
The cargo surveyor
The master
What immediate actions should the Officer of the Watch take when the ship goes aground on an uncharted shoal in the middle of the ocean?
Stop engines and call the Master
Stop engines and tell the engine room to switch over to high suctions
Stop engines and immediately request "Full Astern"
Sound the General Alarm and plot the ships position
Which of the following is a definition of the "Proper Shipping Name", as found in the IMDG Code?
The name to be used in any documentation relating to the transportation of the dangerous substance, material or article, such as on forms, labels and placards.
The correct chemical name of a potentially hazardous material, as identified from the Chemical Cargo List.
The name under which a dangerous material, substance or article is
What is the potential effect on a steam boiler of having calcium based compounds present in boiler water and proper water treatment is not carried out?
It will cause corrosion and scale deposits in the boiler..
It will form passive layers on the metal surfaces in the boiler..
It will reduce the TDS in the boiler..
No negative effects are likely.
Which of the following voltage levels would be regarded as high voltage likely to be found on a ship?
660kV
220V
6.6kV
690V
What is the name of the device used for continually checking ballast water as it is pumped overboard?
Ballast Content Monitor (BCM)
Oil Discharge Monitoring Equipment (ODME)
Water Disposal Process Sensor (WDPS)
Ballast Handling Unit (BHU)
Passenger ships have a normal requirement of 1 lifejacket per person + 10% for children. In addition to this, how many lifejackets have to be stowed in conspicuous places on deck or at the muster stations?
5% extra
50% extra
25% extra
10% extra
Cargoes of frozen beef and chilled beef have approximate carriage temperatures of minus 18 and minus 1 degree Celsius respectively. Greater care is required when carrying chilled beef as it is more sensitive to deviations from, and requires finer control of, its recommended carriage temperature. Which option best completes the following statement? "This additional care is worthwhile because…
...carrying chilled beef is a modern innovation."
…chilled beef is healthier for consumers."
…chilled beef can be kept longer than frozen beef."
…chilled beef commands a much higher price in the market."
Before loading operation starts, what shall you as duty officer observe?
The hoistable decks in correct positions and stanchion-guard placed where needed?
The angle on the stern ramp in order?
Leave everything to the crew?
Physical checking the ramp/cargo holds/hoistable decks and see that everything are in order and the ship-s gear correctly located?
What English term is given to the "growth" that develops on foodstuffs that have been imptoperly stored over a long period?
Meld.
Mild.
Mealed.
Mould.
At what calendar interval must cargo hoses in service on board be tested and certified as fit to continue in use?
Every 24 months.
Every 12 months.
They do not need to be tested and re-certified for the first three years, but must be tested and certified every 12 months after that.
Testing is not calendar based. Cargo hoses must be tested and certified every 48 operations.
The cold room temperature is almost at the cut out point in a vapour-compression refrigeration system. What should the refrigerant state be just after the evaporator if the system is correctly set up?
Slightly superheated low pressure gas.
Liquid at high pressure.
Sub-cooled liquid at low pressure.
Wet vapour at high pressure.
Which of the given statements is true in relation to the features and operation of a 4 stroke diesel engine ?
4 stroke engines are not required to have crankcase relief valves fitted.
The camshaft rotates with half the RPM of the crankshaft in a 4 stroke engine.
A 4 stroke engine always has scavenge ports near the bottom of the cylinder liner.
A 4 stroke engine has an ignition towards the end of every upward stroke of the piston.
What special requirements applies to fire alarm signalling systems in passenger ships
Same requirements for Fire alarm systems applies to all ships
Remote control of fire doors and reactivation of ventilation
Centralized in a continuously manned control station with remote control of fire doors, Indication of open or closed fire doors
Fail safe, Centralized in a continuously manned control station, Remote control of fire doors, Indication of open or closed fire doors, Reactivation of ventilation, Detector status, Back up powered
Which of these situations will cause undue delay to a vessel at her port of discharge?
Slow operation of hatch covers
Carrying out an off-hire survey
Carrying out an open-hatch condition survey
Asbestos mixed with the cargo
You are going to do deballasting of a double bottom tank. The pump is of centrifugal type and mounted above tank level. You are having problems getting the pump to take suction. What can you do to solve the problem?
Repeat start and stop of the pump until it gets suction.
Feed the pump from the sea water inlet pipe.
Get somebody to do the job for you.
Disconect the manometer pipe to get rid of an air pocket .
Which ideal heat engine cycle is the vapour-compression refrigeration system based on?
The Otto cycle.
The Rankine cycle.
The Dual cycle
The reversed Carnot cycle.
Why do we use stabilizers?
To increase the intact stability
To decrease the dynamic stability
To adjust the trim of the vessel
To decrease the rolling angle of the vessel
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.
What is the meaning of "Make Fast"?
Make Fast means to secure a rope
Make Fast means to avoid all meals
Make Fast means to coil a rope
Make Fast means to act very quickly
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 gas pressure.
The hydrocarbon and nitrogen content.
The hydrate formation.
Normally, a vessel sails in salt water and therefore salt water draughts are those which are referred to. If there is a change in density however, this must be taken into account because the true draughts of the ship will change. Which of the definitions below is that of this "Fresh Water Allowance"?
The number of millimetres by which a vessel's True Mean Draught changes when she passes from salt water into a dock of a different water density.
The number of millimetres by which a vessel's True Mean Draught changes when she passes from salt water to fresh water, or vica versa.
The allowance assigned by the Classification Society when the vessel is built, to indicate the compensation that may be applied during topping off to allow for dock water density.
The number of centimetres by which a vessel's maximum draught is calculated to increase when she passes from salt water to fresh water.
The pressure control of a vessel's domestic water system, which includes a hydrophore tank pressurised by air, is achieved by stop/start of the fresh water pumps using pressure switches. How should the system be prepared for first use to give correct operation of the pressure control?
Fill the hydrophore tank to approximately 75% full with water and then pressurise with air up to the pump cut out point.
Fill the hydrophore tank up with freshwater allowing it to compress the air already in the tank and then adjust the pump cut out to match the pressure in the tank when it is almost full.
Pressurise the hydrophore tank with air to approximately 50% of the pump cut out pressure and then allow the pump to fill the tank until it cuts out.
Fill the hydrophore tank completely with water and then pressurise with air up to the pump cut out point.
When a blackout occurs: what should be your first reaction?
Investigate the cause of the blackout
Inform the Chief Engineer
Inform the bridge about the reason for blackout, and expected time to restart.
Cancel audible alarms
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.
How might a leak from a cargo tank on an oil tanker be readily detected during the voyage?
By regularly monitoring the vessel's trim on the cargo computer - any cargo that leaks will run to the end of a compartment, resulting in an increase in trim.
By occasionally opening a selected tank and manually measuring the cargo ullage, then comparing it to the 'after loading' reading.
By regularly monitoring void and ballast spaces, such as by testing them for hydrocarbon content and sounding them.
By frequently monitoring cargo level equipment readouts and comparing them to the load port departure readings.
What should you know about the emergency stops on deck?
Where they are located and how to operate them.
How to disconnect or over-ride them for routine work.
I do not need to know anything about the emergency stops. It's only the officers who operate them.
Where the re-sets are and how to re-set them.
An attempt is made to remove a ball bearing from a pump shaft using a hydraulic cylinder type bearing puller. It is noticed that the puller legs are starting to bend but there is no sign of the bearing moving. What action should be taken?
With the hydraulic pressure still on the puller try and shock the bearing into moving by hitting the top of the hydraulic cylinder with a hammer.
Remove the puller and hammer the bearing off the shaft.
With the hydraulic pressure still on the puller try and shock the bearing into moving by hitting the bearing with a hammer and punch.
Remove the puller and try and warm up the bearing and cool down the shaft a little before trying the puller again.
Which of these statements is correct?
Steel slabs may rest directly against the ship’s frames
Steel slabs do not require dunnage
Steel slabs may be loaded within the square of the hatch only
Steel slabs must never be permitted to rest directly against any part of the ship’s structure
What percentage of the baggage is required to be checked at Security Level 1?
25-50% of the baggage is required to be checked at Security Level 1.
The percentage is not specified.
100% of the baggage is required to be checked at Security Level 1.
5-15% of the baggage is required to be checked at Security Level 1.
Which Security Levels requires the highest security alert?
Security Level 2
Security Level 1
Security Level 3
.
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?
8 to 9%
12 to 15%
10 to 11%
5 to 6%
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
Navigation bridge
Captain's office
Which of the following has the highest fat content?
Sardines
Rainbow trout
Hake
Plaice
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.
Large bulk carriers are more likely to suffer from cracks in structure in which of the following parts of the vessel?
In after peak area
In number 1 and number 2 holds
Around hatch corners and upper ballast tanks amidships
On bottom plating in the after part of the vessel
U-tube manometers are often used to measure differential pressure. Which of the listed pressures is U-tube manometers mostly used for?
High differential pressures
Low differential pressures
Absolute zero pressure
Cargo pressure
What is the correct operation of the slow-turning facility fitted to some large 2 stroke main propulsion diesel engines?
Slow turning should be set to operate automatically at finish with engines to allow the engine to cool down evenly.
Slow turning should be set to operate automatically every 10 to 15 minutes when the engine is on standby.
Slow turning should be set to operate automatically prior to engine start when engine has been stopped for 20 to 30 minutes during manouevring
Slow turning should be carried out immediately the duty engineer gets notice of standby from the bridge.
Which is the correct method of securing a lashing belt to a vehicle?
Using a knot
Using a ratchet
By means of a hook facing away from the deck
By means of a hook facing the deck
Give the meaning of this symbol:
lifebuoy with light and smoke
lifebuoy with line and hand flare
lifebuoy with light and hand flare
lifebuoy with automatic sound signal
One or a certain number of smoke sensors are switched off during routine maintenance work to prevent false alarm. During coffee break the following precautions are taken:
Leaving one of the ratings "on watch"
Switching to UMS-mode, leaving one of the ratings "on watch".
Switching to UMS-mode, leaving alarms unengaged
All alarms are reengaged prior to switching to UMS-mode
P = U x I x Root of 3) x cos (fi) What is the formula for I ?
Formula 1
Formula 4
Formula 3
Formula 2
What do we have to do if the lube oil becomes yellow/white (mixed with water) ?
Fill more lube oil to dilute the water contained in the oil.
Drain the water.
Clean the lube oil filter with very short intervals.
Change the lube oil.
The engine RPM drops because of:
Faulty governor.
High temperature in the turbocharger.
Leakage in an inlet valve.
Leakage in an exhaust valve.
The output pressure of a diesel engine lubricating oil pump is regulated by:
A relief valve.
A metering valve.
A variable speed pump drive.
An orifice.
Which type of pump is best suited to use with an oily water separator?
Piston pump.
Rotary positive displacement (mono type).
Reciprocating positive displacement.
Centrifugal.
The cooling water temperature out of the engine becomes too high. Everything else is normal. What is the reason for this?
Too high temperature in the charging air.
Overload of the engine.
Air in the cooling water system.
Any of the others.
*Which of the following detailed explanations should be mentioned in the Training Manual ?
The illumination in launching areas
The use of escape routes and other escape methods
The use of surface to air visual signals to be used by survivors
The use of navigational equipment for survival crafts
Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.