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家 在线测试 CES 所有类型的船舶 Ch-Eng / 2nd-Eng Test about Engine department for all types of vessels (CES v6.0)
在线测试： Test about Engine department for all types of vessels (CES v6.0)
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该测试由 80 个随机问题组成。
有关此主题的总问题： 171
有关此主题的总问题： 171
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What action would you take if the performance of a plate type heat exchanger was falling off even though flow rates and pressures of the primary and secondary fluids were normal?
Clean the heat exchanger.
Increase the flow of both fluids.
Add some more plates to the exchanger.
Increase the pressure of both fluids.
What is the normal thickness of the primary barrier (membrane) on membrane containment type systems as used in LNG carriers?
0,7-1,5 mm.
1,5-2,0 mm.
2,0-2,5 mm.
0,2-0,5 mm.
By reduced transmitting power is meant in VHF a power between:
0,5-1 watt.
5-10 watt.
6-25 watt.
Don’t know.
Diodes are widely used in rectification, or the conversion of alternating current to direct current. The sinusoidal input voltage V (in) is applied to the circuit shown. Which of the output voltages is correct?
Figure 2.
Figure 3.
Figure 1.
Figure 4.
When is a tank gas free?
A tank is only to be considered as gas free when no traces of flammable and/or poisonous gas are measured and in addition O2 content is measured to be 21 %.
A tank is only to be considered as gas free when it has been cleaned and the O2 content is measured to be 21 %.
A tank is only to be considered as gas free when it has been cleaned, ventillated and there is no smell in the tank.
A tank is only to be considered as gas free when it has been cleaned and there is no smell in the tank.
One water fog applicator is required for each pair of breathing apparatus on board which type of ship?
Passenger ships carrying more than 36 passengers.
Chemical tankers.
Tankers.
Passenger ships fitted with car decks.
A drip tray containing oil is on fire. The only fire fighting equipment available is water hose with spray jet/spray nozzle. How, if at all, should you attempt to put out this fire using water?
Water should be applied in a jet to the back of the fire.
Water should be applied to the oil in a single jet only.
Water should not be used on any type of oil fire.
The water can be applied in a fine spray starting from the front in a sweeping motion.
What is the purpose of adding inhibitor to the individual cargo?
To avoid explosive (flammable) area in cargo tanks.
To avoid humidity in cargo tanks.
To assure all oxygen is removed from cargo tank and avoid chemical reaction.
To avoid radicals building up in cargo tanks.
In respect of washings from the cargo area of an oil tanker, what is the maximum instantaneous rate of oil that can be pumped into the sea when a vessel is outside a special area, proceeding en route, has in operation a monitoring and control system for the discharge of oil and is located more than 50 nautical miles from the nearest land?
30 litres per nautical miles.
300 litres per nautical miles.
60 litres per nautical miles.
0,03 litres per nautical miles.
This circuit consists of two capacitors, C(1) = 6 μF and C(2) = 12 μF, in series. Calculate the equivalent C(S) of the two capacitors.
C(S) = 1,5 μF.
C(S) = 2 μF.
C(S) = 4 μF.
C(S) = 18 μF.
What will you do if the heat transfer capacity is dropping, and we know that flow and heat energy corresponds to the specifications?
Add some more plates to the exchanger.
Use the “cleaning in place” arrangement to open the heat exchanger for visual inspection and manual cleaning.
Increase the pressure.
Try to increase the flow.
On a container vessel, where should a mid-bay guide be positioned?
On the tank top mid-way in 40′ guides to prevent transverse movement of 20′ containers.
On the tank top at the ends of 40′ container bays.
At the base of cell guides.
Between 20′ container bays on deck.
On some trades fruit cargoes may be subjected to “in-transit cold treatment” also known as cold treatment. From the options given which is the main purpose of this cold treatment?
To maintain a specified minimum temperature for a prescribed time period to kill off any fruit fly which may be present when loading the cargo.
To maintain the temperature of the fruit within very tight tolerances.
To ensure that the fruit is carried as cold as possible without damaging the fruit.
To achieve uniform quality of the fruit at discharge.
On the figure possible definitions of the term “HEIGHT” are given. Which one is the correct one?
Height is given by D on the figure.
Height is given by C on the figure.
Height is given by B on the figure.
Height is given by A on the figure.
The circuit consists of two inductors, L(1) = 6 H and L(2) = 12 H, in series. Calculate the equivalent total inductance L(S).
L(S) = 18 H.
L(S) = 4 H.
L(S) = 2 H.
L(S) = 1,5 H.
Feed check valves for main and auxilliary purposes are normally of the double shut off type, as shown in the diagram. What is the main function of the non-return valve?
To prevent the steam and water in the boiler from discharging out by the feed line, if a feed line fracture or a joint in the line blows.
To increase the workload for staff when overhauling the boiler.
To allow overhaul of the screw down valve when the non-return valve is shut and the boiler is steaming.
To allow fine tuning of feed water flow to the boiler.
Which type of compressors is used as cargo compressors onboard gas carriers?
Oil free piston compressors.
Three stage piston compressors.
Piston, screw and centrifugal type compressors.
Three stage screw compressors.
Having a CO2 alarm during normal working hours, what immediate action should be taken?
Ignore the alarm.
Get out of the engine room as soon as possible.
Awaiting further order.
Get into the control room.
On board a DSC-call is to be made in case of an OBS. Choose the category:
Ship’s business.
Routine.
Safety.
Don’t know.
The picture shows a common used 3,5 inches diskette type for storing data. What is the data storing capacity for such diskette?
760 kB.
1,44 MB.
540 kB.
20 MB.
What nominal filling restriction exists under the IBC Code for a single tank on a type 3 chemical tanker? Not counting structural, capacity or cargo specific limitations.
1 250 cubic metres.
There is no filling restriction for a type 3 chemical tanker.
1 750 cubic metres.
3 000 cubic metres.
What is the purpose of the LD (low duty) compressors on an LNG carrier?
To handle the LNG boil-off vapour for fuelling the boiler.
To discharging the LNG cargo at a slow rate.
To deliver inert gas and to aid cooling down of the cargo tanks.
To transfer cargo vapour to the shore installation during loading operations.
What are the compressors fitted as part of the cargo system onboard LNG carriers normally used for?
Removing boil-off gas.
Inerting and gas freeing the cargo tanks.
Discharging the cargo.
Loading the cargo.
Which of the following is a chemical commonly added to cleaning substances used to clean galley areas?
Beach.
Blanch.
Breach.
Bleach.
You are inerting a cargo tank on an oil tanker, prior to gas-freeing for entry. What is the maximum permitted oxygen content in the inert gas main as required by SOLAS 1974?
12 % by volume.
8 % by volume.
5 % by volume.
2 % by volume.
A coated tank holds 400 tons of sea water when filled. How many tons of liquid of liter weight 0,9300 will it hold when filled to 90 % capacity?
390,2 Mt.
343,2 Mt.
377,6 Mt.
326,6 Mt.
If a seaman has to walk across a stow of cartons containing perishable foodstuffs what should he do to minimise the risk of damage to the contents? Select the most appropriate option from those given.
He should step on the edges of the cartons.
All parts of the carton are of equal strength and therefore it doesn’t matter which part he steps on.
He should step on the comers of the cartons.
He should step on the middle of the cartons.
Reduced capacity accompanied by vibration and noise at the suction of a centrifugal pump results from the action of vapor pockets in the fluid being pumped caused by:
Water hammer.
Cavitation.
Steam knock.
Fluid friction.
Your vessel have been in collision with another vessel. You are taking in water and you have to prepare for leaving the vessel. How will you act?
Send a distress message and collect survival suits/thermal bags.
Collect your own personal belongings.
Just jump over board and be ready.
Assist your friends to collect their personal belongings.
At what calendar interval is a “Special Survey” required?
Beach.
Bleach.
Blanch.
Breach.
This circuit consists of two resistances, R1 = 6 ohm and R2 = 12 ohm, connected in series. Calculate the equivalent resistance R(S) of the two resistances.
R(S) = 18 ohm.
R(S) = 4 ohm.
R(S) = 2 ohm.
R(S) = 1,5 ohm.
What is important to check when transferring a position from the GPS output to a paper chart?
Any necessary corrections are applied to convert between the GPS datum and the chart datum.
Ensure that the chart has been corrected up to date.
It is important to ensure that the GPS is setup on 2 dimensional and not 3 dimensional position fixes.
Ensure that the GPS is setup on the same datum as the chart.
The battery of an EPIRB should be changed:
Every 4 years.
Every 3 years.
Every 2 years.
Yearly.
When discussing the properties of an oil cargo, what is the “wax content”?
The percentage of paraffinic wax by volume, based on a representative sample of the crude oil.
The amount of additive in an oil product, expressed in ppm, designed to inhibit solidification at lower temperatures.
The observed volume percentage of waxy deposits found in a cargo tank after discharge in relation to the total volume of cargo previously carried.
The percentage of wax, expressed as a percentage, remaining in an oil product after distillation.
If your vessel was to load sugar which of these situations would result in the cargo holds failing inspection?
Traces of insect infestation in the bilges.
Hardened rust spots on shell plating.
Hardened rust spots on the lower bulkhead stool and hopper tank plating.
Rust-stained tank top plating.
Can a British Consular official detain a vessel whilst in a foreign port?
Yes – any consular official can detain a vessel.
Only the most senior consular official can detain a vessel.
Only if he is also a Marine Officer, or on instruction from the MCA.
Not under any circumstances.
The frequency 121,5 MHz is used for:
SARSAT-COSPAS EPIRBS.
INMARSAT E EPIRBS.
SART transpondeur.
DSS VHF calls.
In a smoke filled alleyway where will the cleanest air be found, and how should you proceed out?
Near to the deck, crawl out keeping your face as near to the deck as possible.
Sit and wait for the rescue party.
It will be the same in all parts, therefore I would just leave as quickly as possible.
Towards the upper part, stand as tall as possible and walk out.
On a RoRo vessel carrying no more than 36 passengers, what is the minimum capacity of the ventilation system protecting standard cargo spaces intended for carriage of motor vehicles with fuel in their tanks for their own propulsion.
12 air changes per hour.
20 air changes per hour.
6 air changes per hour.
2 air changes per hour.
What is the MARPOL definition of a “high-viscosity substance”?
A noxious liquid substance of any category with a pour point of greater than 37,8 degrees Celsius.
A noxious liquid substance in category “X” or “Y” with a viscosity equal to or greater than 50 mPas at the unloading temperature.
Any noxious liquid substance, the residues of which cannot be stripped from a cargo compartment and its associated piping and pumping system to equal to or less than 75 litres.
A noxious liquid substance in category “Y” with a viscosity equal to or greater than 100 mPas at 37,8 degrees Celsius.
Why shall a duly qualified officer supervise any potential polluting operation?
To avoid pollution.
To relieve the master.
To inform the authorities.
To restrict pollution.
Indicate the correct name for the tool:
Flexible pipe.
Water pump pliers.
Adjustable wrench.
Padlock.
Which of this information must be included in a piracy attack alert?
Your ship’s name and call sign.
The number of crew onboard.
The number of pirates/highjackers.
The type of weapons being carried by the pirates/highjackers.
Which one of the following items has to be included in an abandon ship drill?
Lowering of at least one lifeboat after any necessary preparation for launching.
Manoeuvring the lifeboat in the water.
Launching and recovery of a survival craft.
Starting and operating radio life-saving appliances.
Searchlights must be provided for night navigation in the Suez Canal. Which of the listed requirements are correct?
Vessels with bulbous bow, LPG and LNG vessels must provide their own projector.
All vessels must provide their own projector.
Only projectors hired from the Canal Mooring and Light Company are permitted.
If vessels have their own projector, an extra fee will be levied on the vessel.
When there is doubt about the freshness of the atmosphere in enclosed or confined spaces, what actions should be taken?
Arrangements should be made for testing of the atmosphere to ensure maintenance of 21 % oxygen and a carbon monoxide content below 50 ppm in the atmosphere of the space.
Supply filter masks to all crew working on ro-ro deck.
Ro-ro decks are always ventilated in advance of an operation.
Open both bow- and stern doors.
What is the minimum capacity of the portable tank of a portable foam applicator?
1 litre.
5 litres.
10 litres.
20 litres.
What is the main requirement of a lookout posted on the bridge?
Good eyesight and able to communicate with the OOW (officer on watch).
To see changing weather patterns.
To assess ship types.
To detect new targets when they break the line of horizon.
What is the meaning of the following symbol?
Close rescue boat ventilation aperture.
Open hatches.
Secure liferaft canopy closing device.
Secure hatches.
You are in open water and clear conditions. You are approaching the pilot station when you hear this signal from a vessel ahead of you. What does it signify?
That the vessel is operating astern propulsion.
That the vessel is starting his engine and resuming his passage.
That the vessel is picking up his pilot.
That the vessel is altering his course to starboard.
What action should be taken if the heat transfer capacity of a heat exchanger operating as a lubricating oil cooler is reducing?
The heat transfer surfaces should be cleaned.
Increase the cooling water pressure.
Increase the lubricating oil flowrate.
Decrease the lubricating oil flowrate.
What is the weather associated with being in the centre of an Anticyclone (a region of High Pressure)?
Light winds and fair weather, sometimes fog.
Strong winds but with very little rain.
Strong winds and heavy rain.
Persistent rain and very humid weather.
When will a hatch cover cross-joint wedge need replacement?
When the wedge is rusty.
When the flat spring is missing.
When the flat spring is bent.
When the flat spring is rusty.
Most fruit cargoes carried under refrigeration require introduction of fresh air into the cargo space to remove any excess carbon dioxide and ethylene produced by respiration of the cargo and sensors are fitted to detect these gases. Shipper’s instructions will often indicate “constant air change” as a requirement for a cargo. Why, even though this is a crude method for controlling the cargo space atmosphere, is this type of instruction given?
It is the standard method and it is always done that way for simplicity.
Fresh air helps to acclimatise the cargo to the prevailing ambient conditions.
Some cargoes are very sensitive to ethylene levels and it may be difficult to accurately measure the low levels that would affect a cargo.
As much fresh air as possible should always be introduced into the cargo space throughout the voyage to maintain cargo quality.
What do you understand by the term “Terminal Representative”?
A bulk cargo terminal agent.
A cargo facility terminal agent.
A person appointed by a cargo terminal for operations conducted by that terminal with regard to a ship.
A person appointed by a cargo terminal for matters related to crew welfare under the International Labour Convention.
Why did they order another tug?
Because the bow thrust was useless in the strong wind.
Because they wanted to make sure that the ship could be turned safely.
Because the mates always receive their instructions prior to berthing and they all felt that another tug was needed.
Because the ship was going to berth with port side to the terminal.
What is a good practice when lineblowing/pigging from shore?
There must always be one man on the ship’s office, operating the manifold valve in order to avoid to much pressure raise in the tank.
Just leave all valves open and let the shore control the blowing.
There must always be one man on the ship’s manifold, operating the manifold valve in order to avoid to much pressure raise in the tank.
There must always be one man on the ship’s bridge, operating the helm in order to avoid to much pressure raise in the tank.
Enthalpy is an expression of how much energy is tied up in one kilo of a substance. A substance’s total energy consists of:
External and internal energy.
Internal energy.
Latent energy.
External energy.
High Voltage (HV) cables are smaller than low voltage cables for a given power rating. Why is this?
The HV cable carriers a smaller current and therefore requires less copper.
The HV cable uses Aluminium conductors and therefore requires them to be a smaller cross-sectional area.
The HV cable uses higher quality copper conductors and therefore requires them to be a smaller cross-sectional area.
The HV cable has a thinner wall of special insulation material.
During mooring operations which is the safe place to be in?
Outside the colored zone.
Behind the “point of restraint” but inside the zone.
Between the “point of break” and the “point of restraint”.
Where ever you feel safe.
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 escape routes and other escape methodes.
The use of surface to air visual signals to be used by survivors.
The use of navigational equipment for survival crafts.
You are on a vessel 10 nautical miles off the coast of Nigeria, West Africa. Are you allowed to dump empty glass bottles overboard?
Yes, glass bottles can be dumped overboard.
Yes, the bottles can be dumped if they are ground so that the resulting particles can pass through a screen with 50 mm openings.
Yes, the bottles can be dumped if they are ground so that the resulting particles can pass through a screen with 25 mm openings.
No, glass bottles can not be dumped overboard.
Which is the “Fairlead”, in the figure?
The Fairlead is indicated by C, in the figure.
The Fairlead is indicated by D, in the figure.
The Fairlead is indicated by B, in the figure.
The Fairlead is indicated by A, in the figure.
What is the most likely reason for vibration and noise at the suction side of a centrifugal pump when it is running?
Fluid friction in the suction line.
Collapsing vapour bubbles due to cavitation.
Water hammer in the pump casing.
Pump suction valve fully open.
A bulk carrier is loading to complete on summer draught of 10,00 m when in salt water; the vessel is loading in river water; The dock water allowance is 80 mm; The maximum draught when loading is completed is:
10,80 metres.
11,24 metres.
9,92 metres.
10,08 metres.
In case of diesel driven fire pumps, for how long shall the fuel tank capacity allow the pump to be run at full capacity? (SOLAS II-2/4.3.3.2.3).
1 hour.
3 hours.
6 hours.
15 hours.
According to the industry guidelines in the ISGOTT Guide and assuming terminal regulations do not require otherwise, what action should be taken to drain accumulated water from the deck during cargo handling operations in rainy conditions?
The accumulated water is to be drained periodically and the scupper plugs to be immediately closed once the water has been run off. Water containing oily residues is to be transferred to a slop tank or other suitable receptacle.
The scupper plugs are to be kept closed and sealed; any volume of water that is not contained should be allowed to flood over the fishplate.
During periods of heavy rain, it is considered prudent and safe to allow water to drain continuously; therefore scupper plugs should be removed in such conditions.
The accumulated water is to be transferred to a spare tank.
During crude oil washing of No: 1C tank the duty deck officer reports that the oxygen reading in the tank is 9 %. What should you do?
Stop the washing process and not resume until the oxygen content in the tank below 8 %.
Carry on and ask the engineers to check the inert gas system.
Stop the washing process and not resume until the oxygen content in the tank is below 2 %.
Carry on with the washing as the reading is below 11 %.
What is a steering wheel?
A helm used to steer the ship.
A drum for heaving of ropes.
A steering compass.
Another name for a lifebuoy.
Is it necessary to construct a passage plan (or voyage plan), for transiting a canal or river, when under pilot?
A passage plan is always required, irrespective of the length of the voyage, or if the ship is under pilot.
A passage plan is required only when there is no pilot on board.
A passage plan is required from departure from port to arrival at the pilot station at the destination.
A passage plan is required for all deep sea passages, but not for transiting a canal under pilotage.
What is the main responsibility of a bridge lookout at night?
Inform the bridge of any new lights when they appear over the horizon or any other items observed which may affect the ship.
Inform bridge of changing weather patterns.
Inform bridge of any lights when they appear over the horizon.
Inform bridge of any other ships observed, which appear to be getting closer to your own ship.
How many lifebuoys can you expect to find on board a cargo ship of 190 metres in length (including those of the quick-release system)?
At least 8 distributed on both sides of the ship.
At least 10 distributed on both sides of the ship.
At least 12 distributed on both sides of the ship.
At least 14 distributed on both sides of the ship.
A rocket parachute flare reaches an altitude of:
Not less than 300 m.
Not less than 40 m.
Not less than 180 m.
Not less than 450 m.
What is the fog signal for a vessel which is engaged in towing?
Two prolonged blasts followed by one short blast at intervals of not more than 1 minute.
One short blast, one prolonged blast and one short blast at intervals of not more than 2 minutes.
One long blast followed by two short blasts at intervals of not more than 2 minutes.
Two prolonged blasts at intervals not exceeding 2 minutes.
Which is the preferred method for starting an air conditioning refrigeration compressor which has been shut down for a period of time?
Start with suction valve throttled in to minimise risk of drawing liquid refrigerant into the compressor.
Start and stop repeatedly until suction pressure and oil pressure are normal.
Start with all system valves fully opened.
Start with the discharge valve throttled in to prevent excess condenser pressure.
Who shall carry out the detailed preliminary supervision of maritime service of seafarers before the commencement of service?
The employer/master.
The seafarer’s home labour authorities.
A Norwegian Consulate.
The Norwegian Ship Control.
Which is the “PANAMA LEAD”, in the figure?
The Panama Lead is indicated by A, in the figure.
The Panama Lead is indicated by B, in the figure.
The Panama Lead is indicated by C, in the figure.
The Panama Lead is indicated by D, in the figure.
Falls used in launching shall be turned end for end at an interval of not more than X months and to be renewed not later than every Y years, where the intervals are:
6 months/2 years.
12 months/4 years.
20 months/3 years.
30 months/5 years.
What symptom would you think shows that the freon filter drier has become blocked?
Pressure rise before the drier.
A large temperature drop across the drier.
A hammering noise from the drier.
A hammering noise from the compressors.
When carrying LNG cargoes it is useful to have information about its thermodynamic properties. What is a common source of information that can be used to obtain values for a wide range of these properties?
A Mollier chart.
Material safety data sheet.
The cargo manifest.
The IGC code.
Добро пожаловать на страницу, где вы можете пройти CES тест (Crew Evaluation Test) онлайн в области "Engine Department" (специальность инженер-механик, на всех типах судов). Этот тест разработан для морских специалистов, работающих в инженерном отделе, и предназначен для помощи в им улучшить свои знания и навыки с помощью эффективного электронного обучения и оценочной тренировки.
CES тесты компании Seagull, ранее известной как OTG, представляют собой онлайновый инструмент оценки, созданный для оценки базовых знаний моряков и выявления потребностей в профессиональной подготовке в различных областях знаний, как это определено в ПДНВ.
Наши тесты охватывают различные версии, включая 4.1, 5.0, 5.1 и 6.0.0, соответствующие международным стандартам STCW. Вопросы в тесте охватывают обширный спектр тем, включая управление кризисными ситуациями, интегрированные навигационные системы, управление балластными водами, обработку и укладку грузов, управление эксплуатацией судна, морскую инженерию, техническое обслуживание и ремонт, и множество других тем.
Эта страница содержит вопросы Seagull CES, относящиеся к области "Engine Department", которые собраны из тестового симулятора как для проверки компетентности команды судна, так и для личного тестирования знаний.
Тест предназначен для инженеров-механиков, работающих на разных типах судов. Он включает в себя как теоретическую, так и практическую информацию, необходимую для работы в этой профессии. Инженер-механик на судне отвечает за техническое состояние механических систем судна, включая двигатели, генераторы, компрессоры, насосы и другое оборудование. Кроме того, механик контролирует запасы топлива, масла и воды на борту судна. Наш тест поможет вам повысить вашу профессиональную компетентность в этой области.
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07.07.2024
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