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Heim Online-Tests CES Alle Arten von Schiffen MASTER / Ch-Officer Test Online and Answers for Marine Engineering and Navigation (CES v6.0)
Online-Test: Test Online and Answers for Marine Engineering and Navigation (CES v6.0)
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Online-Test
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Der Test besteht aus 80 zufälligen Fragen.
Gesamtzahl der Fragen zu diesem Thema: 135
Gesamtzahl der Fragen zu diesem Thema: 135
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What is the formula to calculate the volume of displacement?
L by B by d by cb.
L by Gm by KG.
B by Km by d by cb.
L by 1/2B by draft by freeboard.
Superheated steam is steam:
That is mixed with water vapour.
That can be used for heating the accommodation.
That has been condensed.
That has been heated until it is “dry”.
How is a “turning couple” formed?
A couple is formed when two unequal forces in a vertical position are acting in the same direction.
Couple is formed when two equal parallel forces in a vertical position are acting in opposite direction.
A couple is formed by joining two vertical posts together.
A couple is formed when two unequal parallel forces are acting in the same direction.
What is statical stability?
It is the ability of a vessel to return to her initial or upright position, after having been forcibly inclined.
It is the basic stability information a vessel is required to carry by law.
It is the relationship between the moment of a couple and the righting lever.
It is another name for metacentric height.
Serious tube leakage in the air ejector condenser assembly will cause:
Faulty steam pressure.
Fouled nozzles.
Clogged steam strainers.
Loss of vacuum.
What can be used to reduce the effect of the state of sea-waves?
Fuel oil.
Foam.
Crude oil.
Vegetable/fish oil.
How often shall each member of the crew participate in an abandon ship drill?
Once every 6 months.
Once every week.
Once every month.
Once a year.
What is the source of energy used to convert salt water into fresh water in the fresh water generator?
The vacuum and ejector pump.
The ejector pump and sea water pump combined.
The sea water pump supplying the evaporating water.
The waste heat from the main engine.
What is part number 1 called?
The drainage tank.
The service tank.
The setting tank.
The expansion tank.
What shall you do if you see a person falling into the sea?
Put on a lifejacket.
Launch a lifeboat.
Throw a lifebuoy overboard and report to the bridge immediately.
Run aft.
How will the ship behave if you have a black out in the situation sketched below?
The wind will not affect your ship whatsoever.
She will continue on course and the speed will slowly drop.
She will turn to starboard and the speed will slowly drop.
She will turn to port and the speed will drop gradually.
What is hypothermia and how is it cured?
Body temperature below 23 °C/Heat the body.
Heavy coughing/medication.
Body temperature below 39 °C/Heat the body.
Body temperature below 35 °C/Heat the body.
What is the BM for a box-shaped vessel in terms of breadth and draught?
Breadth cubed / 12 × draught.
Breadth squared / 12 × draught.
Breadth × draught / 10.
Breadth squared / 6.
How many hand flares should each lifeboat normally carry?
10.
2.
6.
4.
Your ship is going astern right-handed propeller as sketched below. How is the ship most likely to react?
The stern will fall off to starboard.
The ship will go straight astern.
The stern will back into the wind.
The bow will go to port.
What is meant by “synchronism or resonance”?
This is a dangerous condition that occurs when the ship’s still water period and the apparent wave period are equal.
This is stern used to describe pitching and rolling.
This is a term used to describe violent rolling.
This is a situation used to describe gentle rolling.
Regarding feed water, which of the following statements is NOT true?
Feed water in HP boilers is normally pumped with a single stage centrifugal pump.
It is fresh water.
It is turned into steam in the boiler.
Steam turns to feed water in the condenser.
Your ship is operating with a right handed propeller. Before coming astern, how should you apply the rudder?
As with No. 2.
As with No. 1.
As with No. 3.
I think the speed is too slow.
Which of these requirements regarding lifebuoys corresponds to the SOLAS regulations?
It must have a mass greater than 2,5 kgs.
If fitted with light or smoke signal, it must have a mass less than 4 kgs.
It must have sufficient air.
It must be constructed of inherently buoyant material.
What liquid is present in the collecting point at the bottom of the evaporator?
Brine.
Freshwater.
Ejector water.
Sea water.
What is a pro-metacenter?
This expresses KM as moving away off the centreline at large angles of heel.
It is the ability of a vessel to return to an upright position.
It is the term used to indicate a vessel has a more than adequate GM.
It is just another name for metacentric height.
Which of the following is true when comparing plate type with shell and tube type heat exchangers?
Physically smaller for the same capacity.
All of the above.
The capacity can easily be changed.
Better sealing between liquids in shell and tube.
What is the most dangerous overtaking situation shown on the sketches?
A large vessel overtaking a small vessel with big difference in speed between the two vessels.
A small vessel overtaking a large vessel with a little difference in speed between the two vessels.
A large vessel overtaking a small vessel with a little difference in speed between the two vessels.
A small vessel overtaking a large vessel with big difference in speed between the two vessels.
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 complete rate when performing ECC?
Complete 25 compressions at the rate of 75 compressions per minute.
Complete 10 compressions at the rate of 40 compressions per minute.
Complete 15 compressions at the rate of 80 compressions per minute.
Complete 20 compressions at the rate of 60 compressions per minute.
In a two stage compressor, you will find pistons with different diameters (one is bigger than the other). Which one of the following statement is correct?
A big piston will deliver dryer air into stage one.
The biggest diameter piston is the stage two piston.
The smallest diameter piston is the stage two piston.
A big piston will give less oil content in the air.
You want to turn your vessel in a narrow canal by use of two tugs with same power. The wind varies in the range moderate/strong. Where/how will the tugs be used?
Pulling, made fast in the vessel.
One tug pushing, one tug pulling.
Pushing, made fast in the vessel.
After obtaining permission from the duty deck officer, under what conditions would the process of soot blowing the boiler tubes be most beneficial?
When the boiler is firing on high rate.
When the boiler is standing idle.
When the boiler is firing on medium rate.
When the boiler is firing on low rate.
What is part No. 3?
Turbine coupling.
Turbine bearing.
Turbine drive gear train.
Turbine electromagnetic clutch.
An alarm signal consisting of seven short blasts followed by one prolonged blast is sounded by the ship’s whistle and alarm bells. What are you to do?
Go to (or remain in) your cabin and await further orders.
Report on the bridge (Deck crew) or engine room (Engine crew) for further orders.
Go to the fire station.
Go to your lifeboat station.
What is the effect on draft caused by a vessel heeling or listing?
There is no change in draft regardless of the extent of the list.
The draft is reduced by the amount the high side rises above the upright position.
The draft is increased by the difference between the high side draft and the low side draft.
The draft is increased by the difference in the heeled draft measured by a straight line in tangent with the keel, and the draft before heeling.
Which position is the best to stop bleeding from the nose?
Sitting with your head down, holding the nose tightly.
Sitting on a chair, leaning forward with two fingers pressing the nose together.
Laying on the back, holding a wet cold towel on top of the nose.
Laying on the back, leaning the head as much as possible.
You are to release the towing wire with forerunner. You have 3 men with you to do the work. How do you do it in a safe way?
With manpower. Two men picking up slack and one man lifts off the eye and let go simultaneously.
Use the winch. Forerunner and wire stopper to pick up the slack and stop the wire. One man operating each. Make the forerunner fast on the bit, releasing the eye of wire and the stopper, lower the wire easy by forerunner.
After heaving on the wire by a forerunner, cut the forerunner and so let the wire free.
If your vessel is tending to “synchronise”, what should you do to alter this condition?
You stop your ship and wait for the synchronizing to stop.
You should try to alter the wave period by altering course and by reducing speed.
You should put your ship’s beam on to the sea and increase speed.
You should increase your speed to full, whilst maintaining the same course.
The muster list shall show the duties assigned to the different members of the crew. Which of the given duties do not necessarily have to be included in the muster list?
Clearing escape routes.
Preparation and launching of survival crafts.
Manning of fire parties assigned to deal with fires.
Muster of passengers.
Having a CO2 alarm during normal working hours, what immediate action should be taken?
Get out of the engine room as soon as possible.
Ignore the alarm.
Awaiting further order.
Get into the control room.
The diagram shows loadline marks. How is the distance between S and T calculated?
One sixtieth of the summer draft.
One forty eighth of the summer draft.
Nine tenths of the FWA.
Four fifths of the FWA.
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 be used as well.
Make the tug fast aft for pulling.
Make the tug fast on starboard shoulder to push.
Make the tug fast in centre now fairlead for pulling.
Make the tug fast on port shoulder to pull.
What is the purpose of the corrugations on a plate heat exchanger?
All of the above.
To increase the surface area.
To increase turbulence in the liquid.
Stiffening on the thin metal sheet.
What is the absolutely main purpose of fighting a fire onboard?
Try to put out the fire.
To put out the fire.
Rescuing of life.
To limit the fire.
Anyone of the crew who is assigned to watch duties in ports has a number of important tasks to carry out. Which one of the listed tasks has to be included in the watchman’s duties?
Checking the trim of the vessel.
Checking the number of persons entering/leaving the vessel.
Checking the moorings for tightness/slack.
Checking the safe and secure handling of cargo.
What is the critical time in a dry docking operation?
After the ship has taken to the blocks, and shores are being put in place.
When they start to empty the dry dock.
Just before the ship takes the blocks at the stern.
As the ship enters the dock gates, to ensure she is not moving too fast.
Which way does the steam pass through in the system?
From the low pressure turbine to the high pressure turbine.
From the supply valve to the high pressure turbine.
From the high pressure turbine to the low pressure turbine.
From the condenser to the low pressure turbine.
What is the purpose of hunting hear when referring to a hydraulic steering system?
Limits the speed of the rudder movement.
Provides feedback to the pump control.
To control hydraulic motor swash plate movement.
To transmit hydraulic pressure.
The passage of electrical current through the body may result in severe and sometimes fatal injuries. You are witness to a man getting electric current through his body and is stuck to the dangerous area. It is impossible to switch off the current by any main switch. How can you break the current safely?
Apply oil on your hands and cut the cords by the uyse of any metallic pliers.
Call the electrician immediately.
Stand on dry insulating material and pull the person away with insulating material.
Just take the casualty in your arms and pull the person away.
The watertight integrity of a vessel must be intact, when:
In open waters only.
Can be relaxed in inshore waters.
Can be relaxed during spells of fine weather.
When manoeuvring.
If you have to carry out hot work close to a smoke detector in the engine room, what precautions should be taken?
Notify Deck officer in charge that a fire alarm may occur.
Notify master, deck officer and engineers in charge. The loop for this special senseor to be switched off and take normal precautions for hot work.
No special precautions except for having a watchman and a fire extinguisher available.
Disconnect the smoke detector.
How far from the coast is it permitted to use low-pressure evaporation to produce drinking water?
5 miles.
12 miles.
20 miles.
30 miles.
What is the purpose of performing an inclining experiment or stability test?
To determine the maximum angle of heel, before a ship will capsize.
It is done to find out the GM of a vessel, place the ship’s lightweight and VCG and LCG at this lightweight.
There is no need for such an experiment, because the information it gives may be obtained in various other easy ways.
To test the safe working load of a derrick or crane.
What are “cross curves” of stability used for onboard a ship?
Giving the capacity of various holds or tanks.
Similar to a set of Bonjean curves.
Obtaining statical stability curves at known displacements.
Showing tank calibration values.
A water content greater than 2 % is detected in a lubricating oil system. What is the best action to do?
Segregate the oil in a separate tank for continuous purifying.
Boil out the water by increasing the temperature.
Continuous purifying the system with the oil pumps running.
It is no danger, until the water level reach 6-8 %.
What is item No. 9 shown in the diagram, fitted between evaporator and condenser of the fresh water generator?
A heating cap.
A water filter assembly.
A water deflector.
A desalinator unit.
When you join a new ship, how are you informed about safety rules, alarm instructions and your own duties in case of an emergency?
By muster lists exhibited in conspicuous places.
By oral instructions by the captain.
By folder distributed to each crew member.
By alarm instructions in all crew cabins.
In case of a fire inside the acetylene-line in the AC/OX gas welding equipment, what action is deemed necessary?
Close valves on acetylene bottle(s).
Close acetylene valve in the workshop.
Close the valves on both acetylene and the oxygen bottles.
Close oxygen valve.
The ship’s training manual must contain instructions and information on the life-saving appliances carried onboard. Which of these duties must also be included?
Correct method of release of survival craft from launching appliances.
Correct method for use of the on-board communication system.
Correct donning of fire protective clothing.
Correct use of oars in survival craft.
Which of these requirements regarding the launching and recovery arrangements for rescue boats corresponds to the SOLAS regulations?
The release mechanism shall be of an automatic type approved by the flag state administration.
Launching shall be possible with a headway speed of up to 5 knots in heavy weather.
Rapid recovery shall be possible with the boat’s full complement of persons and equipment.
Which of the following statements regarding main boilers is NOT true?
At least two safety valves will be fitted.
The feed water need not be very pure.
The burners could be at the top firing down.
The superheated steam pressure could be as much as 60 bar.
In a distress situation, how many times or for how long should the emergency alarm signal be sounded?
Until all crew members and passengers have reported to their respect muster stations.
3 minutes.
Until the signal “risk is over” or the order abandon ship is given.
3 times.
Does liquid turbulence improve the efficiency of a plate heat exchanger?
Makes no difference.
Turbulence is not possible in a plate heat exchanger.
No.
Yes.
You are about to pass another ship in a close situation. What can happen in this situation?
The two ships will be pushed toward the banks.
Your ship will not be affected in this situation.
The bow of your ship will be sucked towards the stern of the other ship.
Due to suction, the two ships will be sucked together.
What is the centre of pressure?
It is the point where the total thrust of pressure could be considered to act.
It is the pressure at the centre of flotation.
It is the pressure in the centre of a specific tank.
It is the part that is least likely to give way to external pressure.
If the fresh water generator is producing water with salinity of 5 ppm and is changed to produce water of 2 ppm, this is mainly achieved by:
Throttling sea water feed supply to the evaporator.
Decreasing sea water cooling to the condenser.
Slowing down production by opening the vacuum breaker valve.
Decreasing production by lowering fresh water supply from main engine.
Which of the following is a rotary compressor?
Diesel engine charge air compressor.
Emergency air compressor.
Starting air compressor.
Control air compressor.
Which of the equipment listed is not included in the fireman’s personal equipment? (SOLAS II-2/17.1.1).
Protective clothing.
Leather safety boots and gloves.
An axe.
An electric safety lamp.
Which of the following statements regarding steam turbines is NOT true?
From the HP turbine, the steam then goes to the condenser.
The HP turbine is a faster rotating machine than a diesel engine.
The HP turbine is smaller than the LP turbine.
The HP turbine receives the steam before the LP turbine.
What is initial stability?
It is the stability status of the ship, when first delivered to owners from the shipyard.
It is the vessel’s GM, after completion of loading.
It is the stability of the vessel in her initial position, and is expressed by metacentric height.
It is the vessel’s GM, before commencement of loading.
What effects does freeboard have on a vessel’s dynamical stability?
As freeboard increases, the range of stability also increases, and this in turn leads to a greater dynamical stability.
If freeboard is greater, then dynamical stability is correspondingly reduced.
It does not have any effect on dynamical stability.
Freeboard and dynamical stability are not related in any way.
How is temperature controlled in a steam oil heater?
Steam inlet valve throttled.
Oil flow increased.
Steam outlet valve throttled.
Steam supply pressure reduced.
What activity will have the greatest fire fighting effect in case of a fire?
All fire fighting teams are organized as soon as possible.
Extinguishing attempt is started immediately.
Call the Chief Officer.
All possible fire fighting equipment is brought to the scene.
What does permeability mean?
To make a compartment water tight.
The process of making a compartment non-porus.
The relationship between the volume of a compartment and the volume available for water if bilged.
The flooding of the engine room compartment.
What is the main advantage of plate heat exchangers?
Cheaper to install.
Easier to clean.
More efficient and take up less space.
Requires less maintenance.
What is the reason for the effect we call squat?
The bow and stern wave make the ship sink lower in the water.
Increased effect of gravity due to closeness of the sea bed.
Increased velocity and decreased water pressure around the ship’s hull.
Decreased velocity and increased water pressure around the ship’s hull.
Which part in this diagram is the high pressure turbine?
1.
6.
4.
2.
A receiver in a refrigeration system is used to:
Cool the hot gases.
Separate oil from the refrigerant.
Condense the refrigerant.
Store the refrigerant.
Water hammer is a short lasting pressure peak traveling along the pipe. How can it be avoided in a cooling water system?
Operate valves quickly.
Operate valves gradually.
Start pump with closed valves.
Start the system with open valves and empty pipes.
Self-igniting lights on lifebuoys must either burn continuously or flash at a specified rate for a period of at least:
2 hours.
30 minutes.
1 hour.
90 minutes.
What is the minimum allowable value for GZ?
0,15 m.
0,2 m.
0,35 m.
0,42 m.
How do you ensure reliable results from an inclining experiment?
No specific preparations are necessary and it can be done even in very windy conditions.
Perform test in calm conditions, with slack moorings, with minimum number of personnel and minimise free surface effects of liquids.
Where can you find out if you belong to the forward mooring gang or the aft mooring gang?
Posted on the notice board onboard.
Alarm instruction onboard.
Being distributed for each port.
Deck crew forward and engine crew aft.
On a steamship at sea, electricity is supplied by:
Gas turbines.
Diesel engines.
The main engine.
Turbo alternators.
The condenser in a steam plant is where:
Steam is turned back into water.
Water is turned into steam.
Electricity is supplied.
Low pressure steam is produced.
The current test includes Seagull CES questions on the topic of «Engineering and Navigation». These questions are intended to assess the competence of specialists in preventing accidents related to transport safety and can also be used for self-assessment.
- Version: 6.0.
- Test type: Detailed Test.
- Function area: Engine.
- Detailed subject: Emergency Equipment and Procedures (Engineering and Navigation), Auxillary Machinery (Engineering), Trim, Stability and Stress ( Navigation), Survival Craft, Rescue Craft (Engineering and Navigation), Main Propulsion, Turbine, Boilers (Engineering), Ship Manoeuvring, Handling (Navigation).
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19.03.2025
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