Онлайн-тестирование: Онлайн-тест CES 5.1 для Deck department, Support level, Oil tanker vessel

The “clarifier” has only effect during:

What is false regarding the function :” Transmission and reception of on scene communications ”

You are at the mainfold with the cargo surveyor, drawing samples at the start-up of cargo. A sample of 2-Ethyl Hexanol is off colour. The surveyor instructs you to open the manifold valve and start loading. What will you do?

The engines are going astern and the ship is making sternway of about 1.5 knots with the rudder hard to starboard. What effect will this have on the ship's progress?

If messages are received which aren’t intended for own ship:

If a distress signal is received on board your ship, what would you do ?

The grabline of a lifebuoy has a length of:

Which one of the listed requirements regarding service and maintenance of life-saving appliances correspond to present regulations?

*Which among the following list is required for lifeboat equipment according to present regulations?

Stainless steel tanks are sometimes required to be "passivated" especially after tank surface repairs have been carried out and aggressive cargoes are to be loaded. "Passivation" normally consists of:

Why are all RoRo passenger ships divided into vertical ’zones’?

Which of the given options characterizes a 2-stroke diesel engine ?

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.

A moderate level of stress provides which useful function in an emergency?

What is the function of a sacrificial exchangeable wear plate?

In the event of a diesel engine crankcase explosion which of the safety devices fitted to the engine is designed to minimise the risk of a secondary explosion?

From the options given select the one which best completes the following statement. "The preferred method of handling pallets of fruit in the 'tween deck of a conventional reefer vessel would be…

The inert gas system shall be capable of delivering inert gas to the cargo tanks at a specified percentage in relation to the cargo discharge rate. What is that percentage?

What should be the first indication that the engineroom watchkeepers get that there is oil or water leakage in the engineroom??

On a Bulk Carrier, when should the drainpipe covers fitted to hatch coamings drains be secured?

What does the IMSBC Code emphasise with reference to the exposure of personal to the dust created when carrying some bulk cargoes?

Training manuals for Life Saving Appliances and Fire Fighting systems and equipment shall be provided in crew mess room, recreation room or in each crew cabin. The training manuals shall explain the following in detail:

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?

What initial simple action can be taken to reduce the oxygen content of boiler water?

To evaluate the condition of a heat exchanger the following measurements should be recorded:

Which herb, native to the Mediterranean region, has green spiky leaves and is often used in the preparation of lamb dishes?

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?

Is there any requirements regarding crew’s language skills?

Normally ventilation fans in enclosed ro-ro spaces must be run continuously whenever vehicles are on board, why?

What is the meaning of the term "Steady as she goes" when acting as helmsman?

Commonly used on an oil tanker, what does an "Explosimeter" measure?

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?

What do you understand by: Let go the tug?

In a low pressure auxiliary boiler, what would be considered to be the maximum allowable chloride level of the boiler water?

On a container vessel, what dictates the roll angle and natural roll period of the ship?

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

One technique for using good body language is to:

Electric arc welding is to be carried out in the machinery spaces other than the workshop. Which of the alternatives below would be the correct procedure for the connection of the "return" cable to the welding set?

Which of the following documents gives the maximum point loading in cargo holds and on decks of a General Cargo Vessel?

During maintenance of a piston rod stuffing box on a large, slow speed diesel engine it is usual to measure the butt gaps between the sealing ring and scraper ring segments. What would be the effect of these gaps being too small?

What are you normally calling the compressor that collects the boil-off from the header connected to each cargo tank?

Which of the following letter combinations represents a flow indicating controller on a process and instrumentation diagram

Which of the following oil products is particularly associated with the danger of contracting leukaemia through exposure to its vapours?

Studies of shipboard emergencies show that many passengers do not read or remember safety information. As an officer, how can you best compensate for this fact?

Drip trays are provided in way of the cargo manifold on the vast majority of LNG carriers. What is the main purpose of having this drip tray?

When loading steel coils, which is the ‘locking coil’?

To whom should you report when the bow port or stern ramp is closed and secured?

A General Cargo vessel develops an angle of loll while loading a heavy item of deck cargo alongside; what is the action to be taken ?

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?

Emergency instructions in appropriate languages shall be posted in passenger cabins. Which information shall as a minimum be included in the emergency instructions?

Who can carry out a Quadrennial Thorough Survey of cargo gear?

What is a "colander" used for?

If an enclosed space needs to be entered, what is the first thing that must be done?

What is the advantage of a large ship?

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

All heat burns should be

Check the items that can be a possible threat

Normally, a vessel sails in salt water and therefore salt water draughts are those which are referred to. If there is a change in density however, this must be taken into account because the true draughts of the ship will change. Which of the definitions below is that of this "Fresh Water Allowance"?

Which one of the following liquefied gas cargoes is considered as presenting a toxic hazard according to the IMO Gas Codes?

Loading of a palletised cargo onto a conventional reefer vessel is almost complete. The final pallets are to be loaded into the hatch square pre-slung. Which of the options is the main reason for loading these final pallets pre-slung?

On a conventional reefer vessel the 'tween decks and lower hold are provided with scuppers leading into the hold bilges. The scuppers normally designed with a U-bend or non-return bend. Complete the following statement from the options given. "Prior to loading a cargo of hard frozen products the U-bend should be…

What arrangement may be installed in passenger ships to reduce unsymmetrical flooding in damaged condition?

During 'dry lay up' of a main water tube boiler it is necessary to maintain dry, low humidity environment in the water spaces. Which of the chemicals given in the options would best achieve this condition?

Gases, including methane, cannot normally be liquefied using pressure alone once they are at or above a certain temperature. What is the term used for this temperature?

High level and high-high level alarms must be tested at the tank for proper operation within 24 hours of the start of cargo transfer. What acceptable alternative is there to this requirement?

Which of the following points would be the specific point about which a vessel will roll in a seaway?

What is the purpose of the discharge booster pump?

When a submerged centrifugal cargo pump is being run at too high a speed during discharge of a viscous cargo, the pump may start racing, causing a heat build-up around the suction, possible localised solidification of the cargo and consequent damage to the pump. What term is applied to this problem?

What is dunnage considered as under MARPOL 73/78?

Is it permitted to load fully refrigerated propane directly onto a fully pressurised LPG carrier without additional conditioning of the cargo or cargo spaces?

How often shall the master review the safety management system?

When should a spreader be used for general cargo operations?

What is the most common way of handling the LNG boil off gas?

Which of the following statements is correct with respect to IMDG cargo, loaded on a General cargo vessel, that is also classed as a Marine Pollutant

After a discharge of a cargo of bananas there are a large number of cartons of condemned fruit left on deck. The vessel is not in a special area and is more than 100 miles from land. Select from the options given the most appropriate action to take to dispose of the condemned fruit.

If a cargo has a litreweight 0f 1.5200 kg/l at 15 degrees Celsius and a correction factor of 0.001 per degree, what will the litreweight be at a temperature of 20 degrees Celsius?

The sign on the image indicates:

If a vessel’s Tonnes Per Centimeter immersion (TPC) is 28.80 in saltwater, what would be her TPC is water of density 1.015 T/m3?

The thermal conductance capability is expressed by a material's thermal conductance number and states the heat quantity. What is the denomination for heat quantity?

What, by definition in the International Collision Regulations, is a "vessel restricted in her ability to manoeuvre"?

What alternative is there to direct (heating coils or heat exchanger) or ducted heating on a parcel chemical tanker?

What danger is associated with loaded container tractors passing over large fittings on the loading ramp or on the vessel’s decks?

High-level alarms are always switched on during loading operations. Is it necessary to have them switched on during discharge operations on a chemical tanker?

When must lifting plant on a General Cargo vessel be proof load tested?