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

How many buoyant smoke signals are carried in each liferaft with SOLAS A pack?

We must clean the spots of oil on hot surfaces because:

What manoeuvre should be carried out in case of a fire onboard a ship?

In a fixed gas fire-extinguishing system

Multipurpose dry chemical powder

You are carrying out a search in a smoke filled room wearing BA. How would you conduct this search?

Via a coast-station radio medical advice is asked using NBDP. What command has to be given after ga +?

The squelch on the control panel of a VHF-sat serves to:

The emergency battery of a GMDSS portophone:

Which of the following is a ship MMSI ?

For calling a coast-station by mariphone one should preferably use:

The lowest temperature at which a liquid will give off sufficient vapors to form a flammable mixture with air is known as the:

What is the disadvantage of using chemicals on an oil-spill on the water?

What is correct UTC in this example? Approx. Pos: N49°51' W35°23', zone +2, Local Time 0900.

You are Sen.Off.Deck on vessel "A" and your cargo is iron ore. The vessel is in narrow waters and you have been in a collision with vessel "B" causing your vessel to take in water. How will you act to save the vessel and the cargo?

Your ship is going full ahead as you start to slow down. Where is the position of the "pivot point" now? No wind, current.

During a double banking operation the off-take or smaller vessel generally provides the moorings. If wires are used it is recommended that ropetails are fitted onto the ends of the wires. This is to:

Which one of the listed requirements regarding radiotelegraph installations do not correspond to present regulations?

According to the rule of GMDSS, channel 70 is used for:

The nationality of a ship can be determined by means of:

On board you have to switch from transmitting to receiving and vice versa. The shore station can transmit and receive simultaneously. You are working with two different frequencies. This method is called:

The ship-shore HF-telephone-channel 1615 consists of the frequencies 16402.0 kHz and 17284.0 kHz. In case of manual operation, one should tune the receiver on:

*There are 3 lifeboats on each side of a passenger ferry engaged on short international voyage and having a factor of subdivision equal to 0,4. All these lifeboats are identical. What should be the total number of persons that can be accommodated in the 3 lifeboats on the starboard side altogether ? (*) N is the total number of persons that vessel is permitted to carry.

In a distress situation, how many times or for how long should the emergency alarm signal be sounded?

*A lifebuoy must have an outer diameter of:

An inflatable liferaft accommodating 12 persons is fitted with:

In the case when the temperature of the ambient air is equal to 10°C and the wind is blowing at a speed of 10m/sec the shipwrecked person must consider that the effect of air on his body is equivalent to that of an air whose temperature would be approximately:

When should gangway nets be rigged?

What is the MARPOL definition of a "high-viscosity substance"?

What is characteristic of titanium, magnesium and lithium catching fire?

Which of the following can cause an unprecedented list at sea?

What facility exists under the ISM Code for individual control measures of specific work-related tasks?

Who is responsible for the development of the Ship Security Plan?

Where can the size of the Magnetic Compass Error be found?

The bones in the human body are connected to each other by:

In preparing a reefer vessel for loading the next cargo a careful inspection of the cargo spaces should be carried out. All required maintenance and the repair of any damage identified during the inspection should be completed prior to loading. Select, from the options given, the most appropriate action to be taken when the maintenance and any repairs are completed.

Where on board a RoRo ship will cargoes experience the greatest accelerations?

Severe piston ring and liner wear are experienced in two cylinders of a medium speed diesel engine shortly after a complete overhaul of all of the cylinders of the engine. The engine is fitted throughout with chrome plated cylinder liners. Which of the given options is the most likely cause of the excessive wear in the two cylinders?

When discharging dirty ballast from an oil tanker at a high flow rate with main cargo pumps, the limiting factor on permitted overboard discharge is the instantaneous rate of discharge of oil. Which of the following formulae is used to calculate this rate?

A bulk carrier is to carry a full deck cargo of packaged timber; to what regulations must the vessel comply?

During inspection of a cylinder of a large slow speed diesel engine it is noted that there are hard deposits around the upper part of the piston crown above the top ring groove and also some evidence of scuffing on the liner wall. From the options given select the one which is the most likely cause of this problem.

Which of the following is typical for a feed-forward control system

Insulating materials used on liquefied gas carriers are required to have certain properties including a good vapour diffusion resistance. Which of the insulating materials has the highest vapour diffusion resistance?

When we are measuring viscosity with a restricted flow viscometer, the preerred sensing device is:

A deaf man is reading the paper in the lounge when the emergency alarm sounds. How do you expect him to react?

If a vessel’s Longitudinal Centre of Floatation (LCF) is 60.582 in saltwater, what would be her LCF is water of density 1.015 T/m3?

It is required that a crewman enters a refrigerated compartment containing produce at minus 60 degrees Celsius. Which of the items of personal protective equipment given in the options is the most important for the crewman to wear?

What would you do before giving a boiler a “bottom blow”

What would be the most likely cause of a smell of "rotten eggs" in the upper casing of the engine room?

Which of the following statements regarding a centrifugal pump is correct?

When measuring level of liquids with a differential pressure meter, the name of the sensing device is:

What basic information do we get from the pump system curve?

What is the normally accepted maximum allowable filling limit for the cargo tanks on an LNG carrier?

During routine checking of an engine after start up it is discovered that a pipe leading to a starting air valve is hot. Is this due to;

What should you do in case of any fire breaks out?

Although not a requirement of the IMDG Code, on a container vessel, why would carrying Calcium Hypochlorite under refrigeration be a benefit?

What is the correct definition of "lee side"?

In a crisis, which crew behaviours are most reassuring to passengers?

What is the minimum number of lifebuoys that shall be provided with self-igniting lights an self-activating smoke signals?

During a ballast voyage, the fuel consumption is noticeable higher than normal and all pressures and temperatures is normal, may the reason to this be:

What is the purpose of the IGC code?

What is the name of the simplest hydrocarbon composed of one carbon atom and four hydrogen atoms?

What is the maximum allowed filling limit given by IMO for the cargo tanks of LNG carriers?

A steam generating tube in a boiler is found to be badly sagged but not ruptured. Select, from the options given, the most suitable action to be followed in order to operate the boiler.

A bulk cargo has a stowage factor (S.F) of 1.50 cubic metres per metric tonne (m3/mt). If 1000 tonnes are to be loaded what volume will this cargo occupy?

On a RoRo vessel, what should be done first when cargo has shifted at sea on a RoRo vessel and re-lashing is not possible?

If a fuel oil cargo is treated with an anti-static additive, how does this affect its conductivity characteristics?

A fully refrigerated liquified gas carrier, equipped with membrane tank with MARVS less than 0.7 bar and cargo temperature of less than -10 C. What type of barrier is required?

Which of the following is the purpose behind holding a pre-cargo transfer meeting before discharging a number of chemical grades?

A bulk carrier is about to commence loading steel coils using ships cranes, what three important checks must be made?

An inspection in the amidships area of the weather deck of a Panamax container vessel has revealed cracks in the hatch coamings. Which part of the vessel should now urgently be inspected.

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

A bulk cargo of steel coils is loaded and a number of the coils are noted by the Chief Officer to be rusted; what must the Master ensure?

How might a leak from a cargo tank on an oil tanker be readily detected during the voyage?

What necessary precautions should be taken before entering a tank or an enclosed space?

You have just loaded a cargo of Toluene and are about to clear the lines into the ship. What particular hazard must you be aware of with this product?

In most colour coding systems for kitchen knives, what colour is used to indicate those used only for preparing raw meat?

What would be the most probable cause if the exhaust gas from a diesel engine looked a bit blue in colour?

Earlier reefer vessels designed and built for liner trade usually had two or three tween decks approximately 2 to 2.5 metres in height and deep lower holds approximately 4 to 5 metres deep. Modern designs usually incorporate more decks each approximately 2.3 metres in height. What is the main reason for this fundamental design change?

During inspection of the cylinder bore of a high speed diesel engine it is found that the surface of the liner has an extremely smooth and glassy appearance. From the options given select the best action, if any, that should be taken?

You are to load a cargo ofIsocyanate to tank 4CP and the cargo hose from shore is to be connected to a flange directly adjacent to the cargo pump, so that the manifold cross-over and deck cargo line are not used. What must you place underneath the connection?

Conventional reefer vessels often carry non-refrigerated cargo on the voyage to the loading port, for example from Northern Europe to Central America. Which one of the options given is the most suitable type of non-refrigerated cargo to carry in such a situation?

What is the estimated average daily calorie intake required by an active adult male?

For ideal synchronising, the phase angle difference between the incomer e.m.f. and the busbar voltage should be:

The diagram shows the direction that a rope runs during a mooring operation and a possible place where it may break. Where would be considered the safest position to stand?