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Головна Онлайн-тести CES Gas tanker Deck Support Test online CES 5.1 for Deck department, Support level, Gas tanker vessel
Онлайн-тестування: Test online CES 5.1 for Deck department, Support level, Gas tanker vessel
Онлайн-тест
Опис
Тест складається із випадкових питань з обраної теми.
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The category of a DSC-call determines is:
how the rest of the call is to be composed
Don't know
the degree of priority
for whom the message is destined
What is false regarding the function :” Transmission and reception of ship to ship distress alerts
On area A4 this function is based on the use of VHF or/and MF DSC
On area A2 this function is based on the use of VHF or/and MF DSC
On area A3 this function is based on the use of INMARSAT A, B or C
On area A1 this function is based on the use of VHF DSC
You have loaded a cargo of n-Propyl Acetate to all tanks. They are each loaded to around 98% capacity. You now have to clear the lines into the ship. What is the principal risk in this operation?
Unless lines are cleared working from aft towards forward, they will simply fill up again as other lines are cleared.
Unless carefully controlled, too much disturbance will be generated in the tanks and product will be forced up the vent risers, resulting in an overflow.
Unless the shore personnel are cooperative, they may cease blowing before you have had a chance to clear each one of the ship's lines.
Unless carefully controlled, cargo will gravitate from one tank to another.
Your vessel is to turn in a narrow canal by use of one tug (turn to port with the bow). In which position and how would you use the tug? (Vessels engine will also be used).
Make the tug fast aft for pulling
Make the tug fast on port shoulder to pull
Make the tug fast in centre bow fairlead for pulling
Make the tug fast on starboard shoulder to push
How can you minimize the squat effect?
Decrease the speed as much as practicable
Maintain your course and speed
Increase speed if the ship is not already on full ahead
Do a zig-zag manoeuvre to reduce speed
Do you think a ship's trim has any influence on steering abilities?
Yes, a ship usually steers better if trimmed by the bow
No, it is usually best to have no trim at all
Yes, the ship usually steers better if trimmed by the stern
No, the ship will have the same steering ability unaffected by trim
Should recommended route information be used in conjunction with weather routing?
Sometimes
Yes
No
Only if recommended by weather routing
When passenger ships are engaged on international voyages (except for short ones) musters of the passengers must be performed within
1week after their embarkation
24h after their embarkation
48h after their embarkation
immediately after their embarkation
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
On a General Cargo vessel, to what Proof Load would a 16T SWL derrick be tested?
20T
18T
22T
24T
Signals are often used by aircraft engaged in search and rescue operations to direct ships towards a casualty. This aircraft flies across your stern, rocking his wings. What is the meaning of the signal?
The aircraft is telling me he does not understand my last message.
The assistance of your vessel is no longer required.
This is part of a sequence of manoeuvres by which the aircraft will indicate a direction for my vessel to proceed in.
The aircraft is telling me he is preparing to drop supplies or personnel in the water.
Which category of Grocery contains most calcium per. 100 gr. eatable commodity?
Vegetables
Fish
Milk and cheese
Meat
What will alarm cargo receivers to the possibility of cargo damage on a Bulk Carrier?
Commencing discharge without presentation of bills) of lading
Disallowing cargo interests on board
Commencing discharge in the absence of a cargo surveyor
The presence of hatch cover sealing tapes
What will happen with the interface in the bowl, if the flow is too high?
The separation of the oil is bad.
The separation of the oil is good.
Will have no effect on interface.
Broken water seal.
Under international regulations where should draught observations be recorded?
In a note book
In the cargo log book
In the deck log book
In the official log book
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.
Temperatures are often measured by using platinum resistance thermometers. The characteristics shown are all calibration curves for such devices. Which of them is a calibration curve for a P T100 sensor?
Figure 3
Figure 4
Figure 2
Figure 1
Where is the acceptable location to smoke while on duty, or working in a cargo deck stowed with containers?
The designated smoking area inside the accommodation or on deck?
Smoke close to an entrance to the cargo deck?
Carefully smoke outside the container stowage area?
There is no smoking allowed while on duty?
What must you ensure when using portable slopes to discharge ro-ro units?
They must be new
They must be free of dirt
The surfaces must be of the fish-bone type
They must be exactly aligned with the units’ tyres
A cable has a resistance of 1 milli-ohm per metre. It supplies a 300A load over a distance of 100 metres. What is the voltage drop along it's length?
300 milli-volts
3.0 volts
30 volts
300 volts
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
You are approaching a port in a snowstorm. You hear this signal. What kind of vessel is it and what is it doing?
It comes from a vessel restricted in her ability to manoeuvre.
It comes from a vessel engaged in pilotage duties and it is making way through the water.
It comes from a vessel at anchor, less than 100 metres in length.
It comes from a vessel engaged in pilotage duties at anchor, over 100 metres in length.
A medium speed diesel engine, operating with a pulse turbocharging system, has been adjusted to have good power balance. What would the cylinder exhaust gas temperatures, relative to each other, be expected to be?
plus or minus 5 degrees Celsius.
All cylinder exhaust temperatures should be equal if the cylinder power balance is correct.
plus or minus 70 degrees Celsius.
plus or minus 30 degrees Celsius.
Normally ventilation fans in enclosed ro-ro spaces must be run continuously whenever vehicles are on board, why?
It is better to run the fans continuously instead of testing the atmosphere
An increased number of air changes may be required when vehicles are being loaded or unloaded, or where flammable gases or liquids are stowed in closed ro-ro spaces
It is easier for the crew, they don't have to think about starting and stopping of fans
The manufacturer of the fans recommends continuous operation to reduce maintenance cost
On some large slow speed engines the crosshead guides are adjustable to allow the clearance between the crosshead shoes and the guides to be set equally. The normal arrangement is to have bolted on guide bars with shims fitted behind them. Which of the methods given in the options is the one normally used to ensure this is done correctly?
Fit an equal number of shims behind each guide bar which should result in equal clearances between the guide bars and shoes along the whole length.
Turn the engine so that the piston for the cylinder concerned is at TDC and measure the clearance along the length of each bar and shoe and fit shims to equalise the clearances.
Turn the engine so that the piston for the cylinder concerned is at BDC and measure the clearance along the length of each bar and shoe and fit shims to equalise the clearances.
Turn the engine so that the piston skirt is at the bottom of the liner. Use wedges to centralise the piston and measure the clearances along the length of each bar and fit shims to equalise the clearances.
As well as having temperature sensors located in the cargo holds some reefer vessels are also fitted with ethylene sensors. Why is it useful to have information regarding the ethylene content in a reefer vessel cargo hold when carrying fruit cargoes?
The ethylene content must be maintained to help ripen the fruit during the sea voyage.
Some fruit cargoes are sensitive to ethylene and the quality of the cargo can deteriorate as they may over-ripen.
The ethylene content can be used as a guide as to when air change fans need to run.
The ethylene content is beneficial to perishable cargoes in transit so the content needs to be monitored in case the level falls.
What is mean by bulk Grain cargoes have a low angle of repose?
Likely to produce toxic gas
Always stable
Unlikely to shift
Liable to shift
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.
What does the 1 Engineer want to have done?
He wants the feed water tank inspected
He wants the Fitter to Check the CO 2 equipment
He wants the feed water tank cleaned
He wants the heating coils inspected
What is the requirement with regard to Familiarisation on board?
During the first tenure, seafarers are responsible for asking at least a 100 questions to the Safety Officer.
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.
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.
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.
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)
What is the meaning of "stand by"?
That you shall keep on with your work.
That you are properly relieved from your duties.
That you shall stand very close to the engineer officer.
That the watch keeping personnel shall be ready for starting or manoeuvring the main engine.
On a Container vessel, what prevents the installation of double stacking cones?
A homogenous container load
Out-of-gauge containers
Limitations in ship design
Restrictions in the cargo securing manual
What is ‘Standardized Cargo’?
Palletised cargo
Cargo for which the ship is provided with an approved securing system
Cargo that is shipped in standard dimensions
Breakbulk cargo
What type of ships are LNG carriers as designated in the IMO IGC code?
Type 2G ship.
Type 3G ship.
Type 1G ship.
Type 2PG ship.
The use of a chemical additive to induce a chemical reaction and so expedite the cleaning of a cargo tank on a chemical tanker is a common operational technique. What is the chemical term for the substance used in such a procedure?
Accelerant.
Reagent.
Reactant.
Catalyst.
What could result from an experienced bulk carrier master loading containers that shifted en route?
Cargo interests could refuse to accept the cargo
The ship could be deemed uncargoworthy at the commencement of the voyage
The ship could be arrested by cargo interests
The vessel could be deemed unseaworthy due to the master’s inexperience with carrying containers
What is the difference between an independent tank type A and independent tank type C
Independent tank type C is spherical tank
Independent tank type A is prismatic tank
There is no different on the two types
Independent tank type A need secondary barrier
A positive displacement, rotary type, volumetric flow meter reads low with an error reading of 1% when used to measure flow of heavy oil and 2.5% when used to measure the flow of diesel oil. From the options given select the most likely cause of this difference in error?
The lower mass of diesel oil results in a lower reading.
The higher viscosity of the heavy oil is slowing down the rotary element in the meter.
The low lubricity of the diesel oil is increasing the friction in the rotating element and slowing the rotor down.
The meter is worn internally.
What is the definition of "pour point"?
The lowest temperature at which petroleum oil will remain fluid.
The unrestricted fall of liquid into a tank.
The time it takes for tank contents to stop moving.
The highest temperature at which a petroleum oil will remain fluid.
How is the condenser cooling water flow regulating valve automatically controlled in a vapour compression refrigeration system?
By the compressor discharge pressure.
By the quantity of refrigerant in the system.
By the temperature of the refrigerant after the evaporator.
By the temperature in the refrigerated room.
What is the most important factor to be considered when planning the lashing system for a particular sea route?
The quantity and type of lashing materials
Transverse accelerations
The size and weight of packages/cargo units to be loaded
The breaking strength of lashing materials
Ships officers must use a thermometer to take and record the pulp temperature of commodities being loaded onto a reefer vessel. From the given options, select the most important attribute of such a thermometer.
It must be portable.
It must be correctly calibrated.
It must be robust.
It must be economic to purchase.
Where should empty and unlceaned receptacles that previously contained toxic gas be stowed?
Under deck
On deck forward of the accommodation
Anywhere on deck
On deck abaft the accommodation
You are assigned to accompany a cargo surveyor during tank inspection. A wall-wash is to take place in tank 3 centre. As the surveyor is preparing his equipment for this, you observe that a drop of sweat falls onto the funnel. What will you do?
Draw the surveyor's attention to it. Take note that he thoroughly cleans the funnel with the wall-wash solvent before collecting the laboratory sample. Report the matter to the Duty officer.
Ask the surveyor to wait in the tank alone while you take the funnel up to the accommodation and rinse it in clean, fresh water.
Immediately instruct the surveyor to leave the tank and collect a substitute set of equipment.
Nothing. The odd drop of sweat will not usually make any difference.
To correctly interpret the readings on the printout from a reefer vessel’s cargo data logger it is essential to have some knowledge of the location of the temperature sensors. Where would the temperature sensor for the delivery air to a cargo hold be expected to be located?
Just above the cooling coils where the air returns from the cargo space.
In the air flow path from the cooling coils, about 3 metres from the coils.
In the air flow path from the cooling coils, but at the opposite end of the cargo space to the coils.
Near the centre of the cargo space.
How would you ventilate your cargo holds when sailing from hot climate to cold climate?
Ventilation only during night time?
Ventilate only during day time?
Ventilate excessively?
No ventilation should be done?
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
Chemical tankers commonly use portable "closed gauging systems". What is the particular safety design feature of such equipment?
They are attached to a special fitting on a tank lid and can only be operated when an indicator shows that the connection is "closed".
They can only be used on tanks in an enclosed area, such as the engine-room.
They allow the contents of a tank to be measured without any lids being opened, so protecting the operator from the possible release of any harmful vapours.
They clearly indicate when the surface of a cargo has been detected because an electrical circuit "closes" and a warning light is displayed.
Maintenance of lifeboats and davit arrangements is routine work onboard. Why should you not carry out this type of work alone?
It is boring to work alone and you should be able to chat with colleagues while working
If you need something to drink, the second person can get it for you
If the person working on the lifeboat falls over board, the second person can lower the lifeboat and prepare pick-up immediately
There might be a risk of falling even though harness and lifeline is used. A second person should always stand by to assist with tools etc. and other practical arrangements.
What is the normal procedure for cooldown cargo tanks prior to loading LNG?
Pumping cold LNG through the spray header.
Pumping cold LNG to the bottom of the tank.
Pumping cold LNG through the heater.
Pumping cold LNG through liquid header.
In terms of an oil tanker fitted with two slop tanks, how are they commonly referred to?
Slop tank (cycle A) and slop tank (cycle B)
Slop tank (settling) and slop tank (decanting)
Primary slop tank and secondary slop tank
Nominal slop tank and back-up slop tank
During inspection of a high pressure fuel pump for a medium speed diesel engine it is observed that the upper leading edge and the lower helical edge of the pump plunger have suffered from erosion damage. Select the correct action to take to remedy this from the options given.
Replace the complete pump with a new or reconditioned spare.
Renew the plunger and barrel insert as a pair.
Smooth away the damaged area with a grinder and polishing stone and refit it.
Renew only the plunger if the barrel appears undamaged.
A cargo pumproom must be mechanically ventilated. What is the minimum number of atmosphere changes per hour that such a system must achieve?
10 changes per hour.
There is no specified minimum number of changes, provided it is running continuously throughout any cargo operation.
30 changes per hour.
20 changes per hour.
A bulk carrier is about to commence loading steel coils using ships cranes, what three important checks must be made?
Cabs cleaned and lighted, drivers regularly rested
Crane windows cleaned,cab heater on and no- smoking rule enforced
Crane controls tested, limit switches correctly set and SWL never to be exceeded
Planned maintenance completed, all paintwork in good condition and lighting checked
During tank washing operations on an oil tanker, it is a requirement that the atmosphere within the tank is maintained with an oxygen content of not more than 8% by volume, but which of the following conditions is also a requirement?
That a positive pressure is maintained
That the atmosphere within the tank is maintained at atmospheric pressure, ie open to atmosphere
That a minimum of 2.4 bar inert gas inlet pressure is maintained
That a negative pressure is maintained
When would the cargo tanks of an LNG carrier normally be inerted?
Immediately after every cargo discharge operation.
Immediately before any of the ship's personnel enter the cargo tanks.
Before gas freeing for maintenance and inspection and after completion of the maintenance and inspection.
Immediately before every cargo loading operation.
Which of the following statements concerning an accidental oil spill in US waters is true?
The person in charge must report the spill to the US Coast Guard
A warning broadcast must be made by radiotelephone (VHF)
The Corps of Engineers is responsible for the clean up of the oil spill
The Department of Interior is responsible for the clean up of the oil spill
A small electric motor needs to be taken to the bottom plates for fitting to a domestic water pump. It is only just too heavy to be manually carried so is to be lowered using the engine room crane. Which of the options given would be a suitable strop to use for the operation?
Any piece of rope will do as the motor is only just too heavy to carry.
A wire strop which is rated for twice the required load but is out of certification.
Any strop which looks big enough to carry the load.
Any certified strop which has a safe working load greater than the weight of the motor.
Which of the International Maritime Organisation (IMO) Codes contains information regarding the Construction and Equipment of Ships carrying Liquefied Gas in Bulk?
In the IBC Code.
In the IGC Code.
In the IMSBC Code.
In the IMDG Code.
A General Cargo vessel on completion of the loading has a large metacentric height (GM); what will be the predicted behavior of the vessel in a seaway ?
A fast roll period and small righting levers (GZ Levers)
A fast roll period and large righting levers (GZ Levers)
A long roll period and large righting levers
A long roll period and small righting levers (GZ Levers)
A vessel is scheduled to enter a SECA during a forthcoming voyage? What additional considerations must a Chief Engineer take into account when planning for this voyage?
That all garbage is fully disposed of prior to entry into the SECA and suitable arrangements are made for retention while in the SECA.
That there is sufficient room in the bilge holding tank to ensure no discharges of machinery space bilges takes place while the vessel is in the SECA.
That the incinerator is shut down for the duration of the time the vessel is in the SECA.
The availability of low sulphur fuel and the change over time required to ensure the system is clear of normal fuel prior to entry into the SECA.
A large post Panamax container vessel is sailing during the winter months. In which sea areas is she most likely to encounter conditions which could cause a parametric roll?
The North Pacific.
The South China Sea.
The Indian Ocean.
The North Sea.
The HP discharge valves of a 2 stage air compressor suffer from build up of carbon deposits even though the correct maintenance is carried out on them. What is the most likely cause of this problem?
Water in the compressor lubricating oil.
Worn scraper and piston rings.
Compressor cooling water temperature too low.
Ineffective air intake filter.
Why is it important to remove all traces of salt after washing the cargo holds of a bulk carrier?
Because salt will contaminate the next bulk cargo
If not done, surveyors at the load port will be unable to properly inspect the cargo holds
Because salt encourages the corrosion of steelwork
To prepare the steelwork for painting during the ballast passage
A conventional reefer vessel is loading a cargo of hard frozen palletised meat with a required carriage temperature of minus 18 degree Celsius. A thermistor at the centre of the pallets indicates the temperature to be approximately minus 10 degrees Celsius during loading. What action, from the options given, should be taken under these circumstances?
Continue loading onboard and deliver air at the lowest possible temperature to cool the cargo down to the correct carriage temperature.
Continue loading onboard at minus 10 degrees Celsius and then gradually reduce the air delivery temperature to minus 18 degree Celsius.
Return the cargo ashore for pre-cooling to minus 18 degrees Celsius.
Continue loading onboard and maintain the air delivery temperature at minus 18 degrees Celsius.
What are Primary fenders, with regard to ship-to-ship transfer operations?
Primary fenders are large fenders meant to float between vessels and absorb considerable impact
Primary fenders are tyre-type fenders kept on deck for emergency use
Primary fenders are small fenders suspended between the ships' bows or stern to protect from inadvertent angular contact
Primary fenders are fixed to the bow of an attending tug (if any)
Simple gauge glasses for indicating the boiler water level, such as the one shown here, are often fitted to low pressure boilers. What would be a reasonable schedule for blowing through the gauge glasses?
Once an hour
Once a month.
Once a day
Once a week
After clearing lines following the loading of cargoes such as Naphthas, Xylene, Toluene, Benzene, White Spirits and Kerosenes, it is necessary to wait for a specified period before taking manual ullages or samples. Why is this?
These are all "static accumulator" cargoes. As a cargo line is blown, electrostatically charged bubbles enter the tank and rise through the cargo, generating a high voltage at the surface. It is necessary to wait for a specified period of "relaxation time", to allow the charge to disperse, before introducing any potentially conductive object.
These are all cargoes which may form a wax on the surface of the cargo. As a cargo line is blown, bubbles enter the tank and rise through the cargo. If exposed to cold air as they reach the surface, a wax "carpet" may form across the whole tank. It is necessary to wait for a period of "levelling time" before allowing any air to enter the tank and taking any manual ullages or samples.
These are all cargoes with a high vapour pressure. As a cargo line is blown, the pressure in the ullage space above the surface of the cargo increases. It is necessary to wait for a period of "settling time", before opening the tank lids for sampling and gauging.
These are all cargoes considered to have high noxious vapour levels. As a cargo line is blown, the surface inside the tank is severely disturbed, releasing large quantities of these vapours. It is necessary to wait for a period of "adjusting time", before carrying out any open sampling or gauging.
When are ro-ro units most exposed to damage?
When being manoeuvred for stowage or breaking out of stowage
When turning corners
When being driven up or down the vessel’s internal ramps
When being driven up or down the loading ramp
There are two basic types of turbocharging systems: constant pressure and pulse. The main difference between the two is in which of the following?
The arrangement of exhaust piping and exhaust gas receiver.
The casing of the turbocharger.
The arrangement of the scavenging air coolers.
The scavenging valves of the engine.
A draw card obtained from a cylinder of a large 2 stroke diesel engine shows that both cylinder compression and maximum pressures are low. Cards from other cylinders indicate normal operation. What is the likely cause of this problem?
Faulty cylinder component (piston rings, liner, etc.)
Excessive cooling of the charge air..
Faulty turbocharger.
Faulty high pressure fuel pump.
During loading of a palletised refrigerated cargo it is noticed that some of the pallet boards are badly damaged. Which one of the actions, from the options given, is the most appropriate?
Remove and repair or replace the damaged pallets before loading them.
Note the number of damaged pallets involved on the Mate's receipt.
Accept the cargo loaded on the damaged pallets and repair them onboard.
Take no action as a small number of broken pallets are an acceptable part of such an operation.
What is most important for visual search purposes?
Use of standard search pattern
Design of special search pattern
Start a search immediately
Design of individual search pattern
What would be a typical value for the set point for shut down of a large 2-stroke diesel engine due to thrust bearing high temperature?
125° C
85° C
65° C
105° C
What means of communication shall be provided to each member of the fire patrol?
Telephones in public spaces
Emergency telephones and Public Address system
A two-way portable radio
A mobile telephone
By what means can we monitor and control the integrity of the hull?
The chief officer is responsible for monitoring the integrity of the hull and superstructure at all times
Let experienced personnel close and secure doors and ramps
Automatic detection systems, television surveillance and patrolling of ro-ro cargo spaces
Documented operating procedures
Under international regulations what must be ensured when discharging a bulk cargo?
The vessel must not be excessively trimmed
The method of unloading must not damage the ship's structure
The terminal representative must remain on board at all times
The stevedoring foreman must remain on board at all times
What are we using the ASTM table 53A/B for?
Convert API to metric tonnes.
Convert long tons to U.S.BBLs.
To find the corresponding correction factor.
With given density at observed temperature we find a corresponding density at 15 degrees Centigrade.
Read the text in the diagram and answer this question: What should be given to prospective seafarers?
Approved training in survival techniques
Passport and visa
Recommendations
Survival and protective clothing
What is the best method for ensuring that the cylinder powers of a high speed diesel engine, fitted with a monoblock multi-cylinder fuel pump, are correctly balanced?
Measure the maximum pressure of each cylinder to check that they are equal.
Take a set of indicator cards using a mechanical indicator and calculate the cylinder powers.
Check the exhaust temperatures on each cylinder to see if they are equal.
Have the fuel pump phased and calibrated in a test workshop.
What is the term used to refer to the valve that prevents backflow of water from the boiler to the feed water system?
Bottom-blow valve
Feed-check valve
Safety valve
Feed-stop valve
Port State Control Officers are authorised to:
Detain ships that are not meeting the requirements for a minimum of 30 days
Regularly inspect ships known to meet the requirement
Inspect and detain ship that are not meeting the requirements until they are able to demonstrate compliance with the regulations
Sign oil record book entries
A ship's electrical system operates at 60Hz but when connected to shore supply it is supplied with 50Hz. Which of the following would you expect?
Electric motors will run at increased speed and will tend to overheat.
Generators are more sensitive to reverse power faults.
Electric motors will run at reduced speed and will tend to overheat.
Earth faults are more likely.
What is the minimum length of rubber insert when replacing a damaged section of the hatch cover seal?
250 mm
200 mm
275 mm
500 mm
Breathing apparatuses is an important piece of equipment for being able to fight a fire onboard a vessel. What routine precautions to be observed with regard to use and maintenance of such equipment?
That personnel having a beard are not selected as smoke divers.
That personnel that are appointed as smoke divers, primarily are given a shore based proper basic education and training.
That the equipment always to be kept cleaned,checked and bottles are recharged immediately upon use, and frequently inspected.
All the mentioned alternatives.
What is the meaning of this symbol ?
Release gripes
Lower lifeboat to water
Lower liferaft to water
Lower rescue boat to water
Injuries resulting from slips and falls constitute the largest percentage of accidents that occur in the catering department. What shall be done to reduce this high accident rate?
Install thermostates to avoid water from freezing to ice.
Do not wash off all rubbish to prevent persons slipping.
Ensure that slippery substances are not left where several persons are expected to be around.
Keep the floors and decks free from fat and grease.
If Mouth - to - Mouth (M-T-M) ventilation by itself is unsuccessful and the casualty's heart stops, or has stopped beating, you must perform External Chest Compression (ECC) in conjunction with M-T-M. What is the rythm when performing M-T-M in combination with ECC with one First Aider only ?
10 compressions followed by 3 full ventilations
15 compressions followed by 2 full ventilations.
5 compressions followed by 5 full ventilations.
20 compressions followed by 5 full ventilations
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)?
Foam.
Sprinkler.
Water fog.
Powder.
Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.