在线测试： Test online CES 5.1 for MASTER / Ch-Officer, Chemical tanker vessel

In case each hydrant is not fitted with hose and nozzles, what is the requirement? (SOLAS II-2/4.6.1)

*How long does it take for a fixed low expansion foam fire-extinguishing system of an engine room to discharge a 15 cm thick layer of foam on the largest single area over which oil fuel is liable to spread?

*The number and positions of hydrants shall be such that:

*The correct order of actions to be taken in a fire emergency, should be…

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?

You wish to send a message with the Inmarsat-A fax-installation to an Inmarsat-C installation. This is:

The first time you send a DSC distress alert via the HF-band, you prefer the?

The display of a DSC-controller shows the following:(see original)The name of this station can be found in:

For how long time should a SART transponder be able to operate in the active mode ?

A "Standard Format for Search and Rescue Situation Reports" (SITREPs) should be used by vessels in distress. The SITREP can be compiled as a short form (urgent essential details). Which of the following information shall be included when using the "short form"?

For which ships is the SOLAS convention applicable?

MARPOL 73/78 - Annex IV. Prevention of Pollution by Sewage from ships. This annex is not yet in force, however, some Governments are practising these rules. What do you understand by the word "Sewage"?

In the situation shown, the bow of your ship is pushed away from the bank. How can you handle this?

Your ship's initial speed is half ahead and your engine is put full astern. How will the stopping distance be compared to full speed?

Which type of vessel suffers from the greatest squat effects?

Your vessel is moving in Panama Canal waters. When must the master be on the bridge?

" On area A1 the function "" Transmission and reception of on scene communications"" is mainly based on:"

A vessel, which has a mariphone with a license, is sold. What should be done next?

The transmitting power of the mariphone is adjusted by setting:

The mode J2B is used:

*The steps of the embarkation ladder used must be spaced apart by a distance of:

In a distress situation and immediately after the distress signal has been sounded, what is the next action to be taken by the Chief Officer on duty?

What is one of the dangerous states a survivor may suffer from?

A person wearing a thermal protective aid shall be able:

*How much food per person is supplied on a lifeboat?

*Which of the following detailed explanations should be mentioned in the Training Manual ?

What do you understand by the term ‘Terminal Representative’?

Indicate the correct name for the tool on the sketch:

At what temperature is it recommended that frozen fish is stored?

Having water vapour in an LNG carriers cargo tanks prior to loading cargo is unacceptable due to ice formation at low carriage temperatures. How can water vapour in the tank atmosphere be removed prior to the cooling down and loading operation?

Under what regulations would steel bands remaining in the cargo holds have to be discharged?

A simple level control for a water tank consists of a horizontal lever with a float at one end and a filling valve at the other. The lever is provided with an adjustable pivot positioned between the valve and the float. How will the 'offset' in the system be affected under changing demand conditions if the pivot is moved closer to the filling valve?

The type of pump used for delivering the oily-water mixture to an oily-water separator governs considerably the degree of contamination in the effluent. What type of pump would be best suited not to churn the supply and produce small oil droplets (less than 200µm) dispersed throughout the water?

How often shall the master review the safety management system?

When using the echo sounder in a river the soundings indicated may be incorrect, what would be the most probable cause of the error?

What is required in accordance with IMO's requirements regarding cargo segregation?

A mixed deck cargo is to be loaded on a General Cargo Vessel; what are some of the important checks to be made by the Officer of the Watch?

You have to choose one of the following instruments for measuring pressure in an air bottle in measuring range 0 - 35 BAR. Which instrument would you install?

Which of the following ship motions complements the natural springing tendency of Ro-Ro cargoes?

What must be ensured immediately after lowering and securing the stern ramp on a RoRo vessel?

When bunkering through the port side of the bunker manifold what action should be taken with the valves on the starboard side of the manifold prior to bunkering operations commencing?

What measures should be taken in order to avoid flammable gases forming on top of coal cargoes on a Bulk Carrier?

The position of the ship is found by taking a series of bearings using a magnetic compass. How should an error of 5 degrees WEST be applied to the compass bearings?

For what can a vessel be held responsible by a port authority?

What must be ensured at the commencement of cargo operations?

What causes cargo sweat on a Bulk Carrier?

Many modern boiler burners operate with automatic modulating combustion control? Which of the following is necessary to ensure high efficiency and low emissions throughout the load range with this type of operating control?

You are on a chemical tanker, where the duty officer usually controls the opertaion of the pumps and valves from a control room. You are in radio contact with him. The ship has just started to discharge several grades of chemicals to shore. Suddenly, the jettyman shouts across to you to "STOP". Which of the following will you do?

What is the meaning of organic chemistry?

What is the definition of "pour point"?

What is a "ladle"?

What roll amplitude is generally used by classification societies in calculating rolling forces?

What should the duty crew member do if he observes stevedores smoking in ‘no smoking’ areas?

What are the main elements in a damage control plan?

The holding down arrangement for a large 2-stroke diesel engine consists of steel chocks and hydraulically tightened holding down bolts. When carrying out routine maintenance of the arrangement which method, from those given in the options, should be adopted to check that it is in good order.

When would you not expect large roll amplitudes on a Panamax container ship?

Car decks on board ro-ro passenger ships are nomally closed during sea passage. Why are passengers not allowed to be on the car-deck during sailing?

A medium speed diesel engine, operating on heavy oil has suffered repeated exhaust valve failure. Upon inspection damage is noted on the underside of the valve resulting in some cases in holes passing through the valve even though the seating face appears hardly damaged. Which of the given options is the most likely cause of this type of damage?

Which preparations and precautions are necessary before "hot work" commences onboard ship?

What is the correct method to use for fitting a rolling contact bearing, such as a ball bearing, onto a parallel shaft?

What is important to keep in mind about U-profiles that are used on pipes supports?

Which of these situations will cause undue delay to a vessel at her port of discharge?

Why is it important in a RoRo vessel to ensure that cargo is loaded in a uniform way

Why should one not rely wholly on a loading computer?

Which approved publication should be used by a seafarer to help overcome any misunderstanding in communications?

The engine is started by compressed air. Which one of the following statements is correct ?

Compressors for handling vapour from liquefied gas cargoes are fitted as part of the cargo handling plant on liquefied gas carriers. How is liquid prevented from entering the compressor suction?

Where should fixed stacking cones be positioned?

On a RoRo vessel, what should be used to secure cars with aluminium tyre rims?

On a RoRo vessel, where will escaping gasoline vapours settle in a cargo hold? If the forced ventilation system is shut down

A palletised cargo is being loaded onto a reefer vessel. The cargo is stowed on wooden pallets. Select from the options given the best method to be used for lifting the pallets onboard the vessel in order to avoid damage to the pallet boards.

A cargo of hard frozen, whole tuna is being loaded on a conventional reefer vessel. Select the best method of loading the cargo from the options given.

When should a spreader be used for general cargo operations?

What should be done prior to loading structural steel products on a General Cargo Vessel?

Inspection of the LP turbine rotor reveals some erosion damage to the blading on the final stage. Which of the given options is most likely to be the cause of this condition?

For what purpose is inert gas utilised on a gas tanker?

Which of the following has the highest fat content?

Low voltage ships tend to have insulated neutral systems. What is the reason for this?

Frozen cargo such as lamb carcasses requires careful loading to ensure a neat and tight stow in the hold and requires the crew and stevedores to have considerable skill to achieve this. Which of the options given is the main reason for this?

What stability precautions should be taken when loading heavy cargo on a conventional general cargo vessel?

After discharge of a cargo of bananas there are a lot of cartons of condemned fruit on the deck. The vessel is not in a special area and is more than 100 miles from land. Select from the given options the best way to dispose of the condemned fruit.

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?

What is the main reason for adding inhibitors to some liquefied gas cargoes such as ethylene oxide and vinyl chloride?

A vessel which normally operates with the engine room in UMS mode is unable to do so because of defects to some of the critical alarm functions. What are the main considerations that the Chief Engineer must take into account when planning alternative arrangements to cover the engine room requirements until the defects are cleared?

We can observe gray/white smoke from an exhaust pipe in the funnel (from a 4 stroke engine).The possibilities are: