Tests en ligne : Test online CES 5.1 for MASTER / Ch-Officer, Gas tanker vessel

What are class "C" bulkheads?

The free volume of carbon dioxide (CO2) of a fixed gas fire-extinguishing system shall be calculated at

What is the requirement as regards stopping arrangements for power ventilation of accommodation spaces, cargo compartments, machinery spaces, service spaces and control stations?

Where shall shore side fire-fighting personnel find necessary information on the ship's fire control in an emergency situation? (SOLAS II-2/20.2)

DSC-test transmissions may:

The following DSC-message was received:(see original )The nature of the distress is:

Select the correct send and receive frequencies for sending a DSC ‘distress alert’ in the MF band:

The legal type VHF-antenna has a length of:

" On area A4 the function "" Transmission and reception of signals for locating "" is mainly based on:"

One of the sailors needs urgent medical assistance. The VHF-call starts with:

For which ships is the SOLAS convention applicable?

What will you serve seafarers who has been exposed to cold?

A severe blow to or a heavy fall on the upper part of the abdomen (solar plexus) can upset the regularity of breathing. What is the symptoms and signs?

Which muscle is the most persevering one in the body?

What does the abbreviation ABC mean in first aid?

You are on a vessel 10 nautical miles off the coast of Nigeria, West Africa. Are you allowed to dump empty glass bottles overboard ?

You are about to pass another ship in a close situation. What can happen in this situation?

Who is authorized to prescribe use of locomotives and canal deck-hands during transit of the Panama Canal?

As regards supervising authorities at home and abroad it is determined that:

HF communication is usually provided by :

1GHz is equivalent to :

Public correspondance MF communications should normally be operated :

Distress MF communications should normally be operated :

Which item among those below is included in the normal equipment of every lifeboat ?

How many hand held distress flares are carried in each liferaft?

*On-board training in the use of davit-launched liferafts (including inflation and lowering whenever practicable) must take place

The training manual shall contain instructions and information in easily understood terms and illustrated wherever possible. Which of the following objects do not have to be explained in detail in the manual according to present regulations?

The maximum height that a pilot should be required to climb on a pilot ladder before reaching the deck or stepping onto an accommodation ladder platform is:

Which routine procedures should be carried out before cold work commences?

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?

What is the requirement with regard to Familiarisation on board?

The majority of medium speed main propulsion installations incorporate a reduction gearbox between the engine and the propeller shaft. Why is this arrangement usually required?

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

A loaded bulk carrier experiences heavy ice accretion on deck forward, what are the major concerns of the changes in stability?

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?

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

According to the IMO Gas Codes, what is the minimum number of "Firemen’s outfits" required to be carried on an LNG carrier with a cargo capacity above 5,000 m3?

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

What are the main components causing the magnetic compass to require a regular evaluation and compass correction?

If a boiler is smoking “black smoke” a possible cause can be

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 checking the cylinder pressures of a 6 cylinder medium speed diesel engine it is found that one of the cylinders has a high maximum pressure. What is the most likely cause of this?

What cooling medium is normally used to cool the condenser of a fresh water generator?

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;

As understood within the IMDG Code, what is an "article"?

When data are to be transferred over a telephone line, we often utilize modem at each end. Which of the following adapter cards (parts) will you use for interfacing a modem to a computer?

When could there be a demonstration of how to start a lifeboat engine?

Which of the following forms of food poisoning is particularly associated with outbreaks on cruise ships?

What do Tonnes per Centimeter immersion (TPC), Moment to Change Trim by one Centimeter (MCTC) and Longitudinal Centre of Floatation (LCF) have in common?

What indicates the correct weight of a wrongly declared container?

Where are cargo residues usually concealed?

For what purpose is inert gas normally used in the cargo tanks of a liquefied gas carrier?

On oil tankers, what is generally used to control the safety of the atmosphere in the cargo tanks?

Who is responsible for ensuring that your ship’s security plan meets the requirements of the ISPS Code?

In what kind of measuring equipment might we find a Bourdon-tube?

What do the letters IMDG stand for?

During loading of bananas the fruit should be visually inspected frequently to check the quality and for any indications as to its physiological development. Which one of the options given would indicate that the fruit is in suitable condition for shipment?

Where would you look to find details of the crude oil washing system, its equipment and operating procedures? ,

What is a hydraulic hand pump usually used for?

There are a number of different designs of tanks used for the cargo containment systems for liquefied gas carriers including independent tanks. How many different types of independent tanks are there in the IMO Gas Codes?

What makes cargo holds weather tight?

What kind of safety equipment should be used when operating a grinding wheel?

How is positive stability maintained when loading heavy lift cargoes?

During start up of a steam plant it is necessary to warm through the steam range prior to use. How should this warming through be carried out?

The wire mesh guards for the fans of refrigerated containers sometimes have coloured ribbons tied to them. Which of the options is the reason for fitting these ribbons?

Who decides the number of lashings you should put on a trailer?

What is most important when preparing a cargo hold to receive containers?

Debriefing of an emergency drill:

What is the time limit for abandonment of passenger ships?

For a search to be effective it must be:

On a Container vessel, what precautions should be taken when cashew nut shell liquid has spilled out of a container?

On a RoRo vessel, which of these stowage situations produces high friction that does not allow movement of the cargo?

What is the maximum allowable tank design pressure in the vapour space for Independent tanks type "A"?

What is the most important consideration when planning the lashing system for a particular sea route on a General Cargo Vessel?

The turbocharger on a diesel engine is surging and making occasional, loud "whoofing" noises. Which one of the options given is the most probable cause of this?

What can be done to effectively reduce the rate of ice accretion on containers during loaded sea passage?

During cargo operations, involving perishable cargoes, deck officers should be aware that the cargo is subject to the effects of the weather and ambient conditions. From the options given, select the one which is likely to cause the most rapid temperature change in a refrigerated commodity.

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?

With regard to radar, what would be a correct form of response to the question: What range scale are you using?

In discussing the properties of oil cargoes, which of the following are examples of Aromatic Hydrocarbons?

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?

What kind of damages do steel coils sustain?