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

An enclosed lifeboat is fitted with a self-contained air support system. With the engine running, what is the minimum period of time the air should remain safe and breathable?

How many rocket parachute flares are carried in each liferaft with SOLAS A pack?

What kind of measure is the division of the vessel in upright areas by using thermic and structural separations?

What must be the first concern of the fire fighting team leader?

In the radio telex-traffic the landline-connection with a subscriber ashore will be broken with the following command:

A message is sent to a fax-machine. However the message cannot be delivered by the land earth station. The land earth station will:

The category of a DSC-call determines is:

On board, in case of an m.o.b. a DSC-call is to be made. In the category-menu is chosen:

With help of DSC a ship wants to contact a coast-station to have a question for telephone call. One has to choose from the following DSC-frequencies

With an EPIRB:

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

If a coast-station doesn’t answer a call on VHF working channel or doesn’t send a reply signal:

What possible reason could there be for the identification mark associated with a Racon not being visible on the radar screen?

You are duty officer on board a vessel in open sea. The look out is doing work and you are alone on the bridge, presently checking the position in the chartroom. Suddenly you are colliding with a fishing vessel. You will be most to blame for the collision, because of:

Your vessel is transiting the Panama Canal. Which manning level is applicable?

" On area A1 the function "" Reception of shore to ship distress alerts"" is mainly based on:"

Radio direction-finding installations shall comply with certain requirements. Which one of the listed requirements do not correspond to present regulations?

Inter-ship traffic at sea should preferably take place on:

During duplex mode you are able to:

The effect of reflection of radio waves in the ionosphere on the transmission range also depends on:

The variation in strength of the received signal is called:

Public correspondance MF communications should normally be operated :

*Which of the following duties shall be included in the "muster list" as being assigned to members of the crew ?

*On all ships any crew member must be given an on-board training in the use of the ship's life-saving appliances as soon as possible after his joining

Breathing apparatuses is an important piece of equipment for being able to fight a fire onboard a vessel. What routine precautions to be observed with regard to use and maintenance of such equipment?

The responsibility for safety and security rests with everybody on board the vessel. General house-keeping rules should be followed. Which of the listed rules is the most important?

What significant change to the requirements for the carriage of Vegetable Oils in tankers was introduced by the amendments to MARPOL and the IBC Code on 1st January 2007?

Under MARPOL 73/78 what category would wet kraft paper remaining on board, constitute?

A heat exchanger of the tube and shell type is used for cooling lubricating oil with seawater as the secondary fluid. Which of the options would indicate that the tube stack was becoming fouled (scaled or coked) rather than blocked?

How is the cargo tank pressure controlled when loading an LNG carrier?

Following complete shut down of the steam plant, the boiler has been heated in accordance with the correct starting up procedure, and the steam pressure is rising. What is the correct procedure to be adopted when opening the main steam valve to the range?

What is the description for a sidelight, as shown in rule 21 of the International Regulations for Preventing Collisions at Sea?

For what purpose are we using a Mollier diagram?

Which two persons check the Declaration of Security?

Why do we use oil free compressors on the cargo side in a cargo cooling plant?

When there is a need to interupt current flow in a high voltage system it may be very difficult to quench the electrical arc which is generated at the circuit breaker contacts. Which of the following arcing media is commonly found in high voltage marine switchgear?

Anyone of the crew who is assigned to watch duties in port has a number of important tasks to carry out. Which one of the listed tasks should be included in the watchman's duties?

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

How could you calculate the Stowage Factor of a cargo commodity after loading in a General Cargo vessel?

MARPOL Annex VI and IMO MSC Circ 585 "Standards for Vapour Emission Control Systems" require that P/V valves in such a system on an oil tanker should relieve the pressure or vacuum once they reach specified levels in a cargo tank. The design is approved by the administration, but what are the usual pressure and vacuum levels required to activate the P/V valves?

How can an approximate value of the initial transverse Metacentric Height (GM) be found from the Curve of Statical Stability (GZ curve)?

From the options, select the best description of the function of a buttress fitting on a container vessel.

Why do all gas carriers have deepwell or submersible cargo pumps?

If the high PPM alarm is actuated on an automatic O.W.S. What should happen?

What would it imply if at the discharge port cargo was found contaminated by a previous cargo?

A high pressure boiler is operating with all parameters normal except that the firing rate is high and the superheater temperature is high. Which of the options given is the likely cause of this condition?

When conducting a risk assessment for a shipboard work activity, what are the two elements to be considered?

Which cleaning agents for machinery space are important to use due to the oily water separators function?

You are assigned to accompany a cargo surveyor during tank inspection. A wall-wash is to take place in tank 3 centre. As the surveyor is preparing his equipment for this, you observe that a drop of sweat falls onto the funnel. What will you do?

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

On a RoRo vessel, what should be done when cargoes that transmit stack loads are to be loaded onto the vessel's decks or hatch covers?

Some liquefied gas carriers require a secondary barrier as part of the cargo containment system. What is the main purpose of a secondary barrier on these gas carriers?

A General cargo vessel is due to resume loading at 0700 Local Time; start of operations is delayed due to hatch covers not being opened until 0800; what are the implications of this delay to the ships?

Which of these actions should crew take if a suspicious object that may be a bomb is located during a search?

How can you arrange for safe movement of passengers on ro-ro decks?

You are alongside and the hoses have been connected for discharge. The jetty-man shouts across to you, telling you to start cargo. The Duty Officer has not yet given you any instructions to commence. What will you do?

A piston ring set for a trunk piston engine often includes a slotted ring tensioned by an internal spring. What is the purpose of this type of piston ring?

Cargo hoses intended for liquefied gas carriers have to be prototyped tested before being approved. When new hoses of an already approved type are received onboard they also need to be pressure tested before being put into service. What are the IMO Gas Code requirements for such hoses before they are put into service?

What should be continuously monitored when carrying DRI cargoes?

The cargo tank pressure reading for a refrigerated cargo of propane is higher than the saturated vapour pressure for the cargo temperature. e.g. an absolute pressure of 1.5 bar at minus 43 degrees C. If the cargo tank had been cleaned before loading the cargo what is the likely cause of this condition?

All heat burns should be

What temperature do we calculate on when using the ASTM-IP tables?

Who will verify the computational results and actual ship data used by the calculation program on a vessel's stability computer?

Many liquefied gas carriers are fitted with inert gas generators to supply inert gas to ensure the atmospheres of various onboard spaces are non-flammable. How is cargo vapour from these spaces prevented from back-flowing into the inert gas generator and creating an explosion risk?

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

A power card from a slow speed diesel engine cylinder is abnormal with a low height and the body of the diagram thicker than normal. What is the most likely cause of this?

When overhauling a medium speed diesel engine cylinder cover part of the work involves inspection of the springs for the inlet and exhaust valves. Which of the options given would be the normal inspection method used?

When starting three phase induction motors there is sometimes a need to use a star-delta starter. A star-delta starter exhibits which of the following characteristics while connected in star.

The recommended distance between parallel tracks (track spacing) in a search for a casualty by a surface vessel varies (amongst other factors) according to visibility and the nature of the target in the IAMSAR Manual. These distances are then normally adjusted for prevailing weather conditions. If visibility was 5 nautical miles and you were looking for a six-person liferaft, what would the recommended uncorrected track spacing be?

The International Maritime Bureau Piracy Reporting Centre attributes the increased numbers of hijackings to:

When selecting switchgear to work with High Voltage it is important to use an appropriate arcing medium. What is meant by arcing medium?

Would there ever be the need for two lookouts on the Bridge watch?

A pallet of chilled cargo is made up by placing cartons on top of each other in tiers. Banding straps are then placed tightly around the cartons in way of robust, vertical cardboard corner pieces. Which of the given options is the main purpose of having these corner pieces?

The International Convention for the Prevention of Pollution from Ships (MARPOL) covers detailed regulations to prevent various sources of ship generated pollution. Annex I - VI deals with regulations for the prevention/ control of pollution from:

Which of the following statements best applies to the use of ordinary, commercial mobile telephones on board an oil tanker?

What is very important to monitor when distributing cargo?

Some liquefied gas carriers are fitted with nitrogen generating equipment, often of the membrane module design. What would be the expected purity of the nitrogen produced by such equipment?

When considering the successful delivery of a perishable cargo, select, from the options given, the thing over which the carrier has least control.

If the general alarm is sounding and evacuation of the ship is required. What is the best way to ensure that all passengers are aware of the situation?