Tests en ligne : Test online CES 5.1 for 2nd-Off / 3rd-Off, Gas tanker vessel

The method of extinction by smothering is based on this basis;

*Which of the following instructions will generally be given by a port authority to allow welding or hot work in a cargo tank of a tanker ?

A Class divisions in ships are constructed so that they are capable of preventing the passage of smoke and flame to the end of a standard fire test held for:

What type of nozzles for fire hoses shall be used aboard ships? (SOLAS II-2/4.8.4)

What is the correct location of portable fire fighting equipment during loading/discharging operations?

Which one of the listed fire-extinguishing medium is most effective against an open oil fire?

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

When stripping a tank, if excessive air is allowed to be drawn into the suction line, which of the following may occur?

What is Hypothermia and how is it cured?

What is the status and function of a Panama canal pilot?

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

*On board a ship, how many lifebuoys is required to be fitted with a buoyant lifeline ?

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 signal, if any, is specified in SOLAS as the "Abandon ship" signal?

A person wearing an anti-exposure suit shall be able to:

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

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

How many Radar Transponders (SART) are required to be carried onboard a ship for use in survival crafts?

How many Radar Transponders (SART) are required to be carried onboard a ship for use in survival crafts?

Your vessel is a tanker in ballast and the two vessels are interlocked after collision. You have already made clear that all people are well taken care of and you will try to separate the two vessels. What should be your greatest concern?

The abbreviation "NPSH" is often seen in connection with the efficiency of cargo pumps on oil tankers. What does this abbreviation stand for?

In a large, 2 stroke, main diesel engine cylinder lubricating oil is supplied directly through lubrication points cut into the cylinder liner. At what point during the cycle should the supply normally occur.

The speed of ship's generator is regulated by the governor. A 10% reduction in generator speed occurs due to a faulty governor. The likely consequence for all motors powered from this generator is to:

The vessel is instructed to load alternate holds when chartered to carry a high density cargo. What reasons could be given by the master to refuse to do this?

During inspection of the cylinder cover from a medium speed diesel engine cylinder it is noted that cracks have occurred between the two exhaust valve pockets and the fuel injector pocket. Select from the given options the most probable cause of this type of failure.

Which type of cargo tanks are almost exclusively applied to LNG ships and are rarely fitted to LPG ships?

At the design phase of a container ship, how is the loss of strength resulting from the large deck openings, compensated?

What signal may be given by sound and by light to indicate that a vessel fails to understand the intentions or actions of another vessel, or is in doubt that sufficient action is being taken by the other to avoid collision?

How many hours before departure should the ship's steering gear be checked and tested?

If whistles are fitted on a vessel at a distance apart of more than 100 metres, will manoeuvring and warning signals, as defined by rule 34 of the International regulations for Preventing Collisions at Sea, be given on one or both whistles?

Where should placards be located on a freight container?

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?

After discharging petcoke and washing the cargo holds in the Mediterranean Sea where can a vessel bound for Aden discharge the cargo residue?

The cargo tanks for liquefied gas carriers are grouped into 4 types depending on the survival capability requirements. Which of tank types is suited for the carriage of all cargoes listed in chapter 19 of the IMO IGC Code from a survival capability aspect?

When should you use safety goggles?

Every oil tanker of 5,000 tonnes deadweight and above delivered on or after 1 February 2002 shall comply with intact stability. What is the minimum GM (metacentric height) when the vessel is in port?

In which order should changing a section of the hatch cover seal be carried out?

An OBO or O/O carrier, due to the movement of liquid in a cargo hold during rough weather, the possibility of liquid entering the inert gas piping is great. To avoid this U-bends are sometimes fitted on the line emerging from the hatch coaming. These bends generally have a drain cock at the bottom. These cocks should be:

Apart from longitudinal, transverse and vertical accelerations what else must be taken into account when calculating the external forces acting on a cargo unit?

A high pressure, oil fired steam boiler operates with an automatic combustion control system for start, stop and modulation of the burners. Which feature of the combustion control system is intended to minimise the risk of blowback during normal operation?

During overhaul of some plate type compressor valves the engine room rating is asked to clean the valve plates and seat. Some of the valve plates are heavily marked. What action should be taken?

What would you do if you saw a container being damaged during loading operations?

What is the purpose of fixed stacking cones?

Tank venting systems should be designed and operated so as to ensure neither pressure nor vacuum created in cargo tanks during loading or discharging exceeds tank design parameters. A certain rate of generation of vapour during loading, sometimes termed gas evolution, is assumed. According to the IBC Code, how is that calculated?

What must be accessible at all times whilst loading and stowing ro-ro cargoes?

How many separate means of escape are provided from each fire zone above the bulkhead deck?

What would indicate wastage to the main shaft of a ‘D’ ring?

What are the operational requirements for a fast rescue boat?

What does ISPM stand for?

In what kind of atmosphere should tank washing be carried out onboard vessels with inert-gas system?

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

On a RoRo vessel, what should be done if a non dangerous goods ro-ro unit is found stowed in an incorrect location?

Too low exhaust temperature in one cylinder becomes because of:

Which of these weapons are widely available and commonly used by criminals and terrorists to further their aims?

Methane and carbon monoxide levels must be measured regularly on voyage when carrying a bulk coal cargo; how is this done?

What actions should the Officer of the Watch take when the ship's steering gear fails?

Which of the options given is the most likely reason for a drop in pressure at the charge air manifold of a diesel engine?

What action should be taken if the boiler water tests show that the pH-value in the boiler water is slightly over 11.5?

What name is applied to foods that have been prepared according to Jewish law?

Crewmen are carrying out maintenance work in the engine room on overtime. The work does not affect machinery operation. At the end of normal working hours, what should the Engineer on Duty do?

On a RoRo vessel, what instruction should be given to the crew about unlashing of cargo prior to arrival at the berth

When securing a non-standardized portable tank what is a favourable securing angle that will prevent it from transverse sliding?

How many crews are required to be trained and regularly drilled in all aspects of fast rescue boats in various conditions, including righting after capsizing?

A decision support system for emergency management shall be provided on the navigation bridge. What type of emergency situations shall as a minimum be identified in the emergency plans?

The specified maximum working pressure of a cargo hose in service on a chemical tanker should be at least which of the following?

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

What would affect the proper functioning of a bridge fitting?

What prevents hatch cover panels from lifting in a seaway on a General Cargo vessel?

You are on a power-driven vessel underway in open water. This vessel is sighted wide on the port bow. It's bearing is opening, but its distance is closing rapidly. Which of the following is a correct assessment of the situation and the action to be taken?

Where is a load-equalising device used?

What is the purpose of "fire wires" on an oil tanker and when would they be positioned?

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 is the Maximum Securing Load (MSL) for a wire rope lashing connected to an eye plate by means of a shackle?

Cargo compressors are fitted on LPG carriers as part of the cargo and vapour handling system. Why is it important to 'bar over' a piston type LPG compressor before starting it up?

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

After main power is restored, a timed sequential restart of motor-driven auxiliaries is necessary to avoid:

What is the name of UN maritime division?

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?

When is it good practice to check the pressure-vacuum valves?

Passenger ships shall either carry automatically self-righting liferafts or canopied reversible liferafts. What does it mean that a liferaft is automatically self-righting?