Maison Tests en ligne CES Dry cargo Deck Support Test online CES 5.1 for Deck department, Support level, Dry cargo vessel

Tests en ligne : Test online CES 5.1 for Deck department, Support level, Dry cargo vessel

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Question 1 depuis 90

Proteinic foams have the feature of being?

Of high expansion, not easily contaminated by hydrocarbons

Of low expansion, not easily contaminated by hydrocarbons

Of high expansion, made of tense-active compounds

Of low expansion, viscous and solid, easily contaminated by hydrocarbons

Regular ‘updating’ of a ships’ position in an Inmarsat-C installation is necessary

To enter the correct data to the disk antenna

To keep to the correct Inmarsat-region

To have the correct position in case of accidents

To inform the satellite of ships position

There are three levels of burning, namely:*Superficial *Intermediate*Deep burns (also called full-thickness burns) A large burn will almost certainly contain areas of all three grades. How many per cent of the body may be burned before the danger of lifethreatning shock occurs?

15 percent.

4 percent.

9 percent.

35 percent.

In MARPOL 73/78, the term "Special Areas" is mentioned in connection with discharges from oil tankers. What do you understand by this term?

Specific geographical sea areas, designated as Marine Conservation Areas by the United Nations, in which any discharge from the cargo area of an oil tanker is strictly controlled.

All sea areas within 50 miles from the nearest land, where that coastal state is a signatory to MARPOL 73/78.

Limited ocean and sea areas, listed under the OPA-90 Act, inside which the discharge of oil is prohibited and the penalty for doing so is an umlimited fine and unlimited jail sentence.

Specific geographical sea areas, defined in MARPOL 73/78, in which special mandatory measures for the prevention os sea pollution by oil are required.

Your ship is approaching the berth as illustrated and has a right handed propeller and no thrusters. What could be a method to retain full control of the vessel as it comes alongside?

Reduce speed by going astern on the engines.

Let go port anchor to about 1 shackles on deck

Full starboard rudder and stop engines

Let go starboard anchor to about 1 shackle on deck

You are drifting with a loaded VLCC in open sea. You have observed the direction and rate of drift. Can you do anything to change the direction and rate of drift?

We will just have to wait and see

We can apply the rudder although we have no engine power

No, there is nothing I can do about that

We can trim the ship by stern as much as possible. This will most likely change the direction and rate of drift.

What is important to check when transferring a position from GPS to a chart?

Reading the position correct

Plotting the position correct

Make sure that the chart and the GPS use same datum

Make sure the map is updated

How much time can be saved by use of weather routing?

Impossible to say

What kind of safety equipment must be worn during anchoring?

All of the mentioned equipment.

Boiler suit, working gloves.

Safety helmet, safety shoes.

Safety goggles.

The fire control draft on board is called the safety plan and shall be posted onboard. In port, a copy of this plan shall in addition be available from somewhere else. Where must this copy be available?

In the engine control room.

At the gangway.

On the terminal.

Handed over to the surveyors.

Which cell voltage is required to trickle charge a lead acid battery?

1.2 V

2.5 V

2.0 V

2.15 V

Which shipboard publication sets out calculations for cargo lashings?

The Cargo Securing Manual

Carriage of Safe Cargoes

SOLAS 74/78

The Cargo Stowage and Security (CSS) Code

Who is responsible for maintaining the vessel's structural strenght?

The Flag State Administration

The Master

The Shipping Company and the Classification Society

The Shipyard

For which duties are gear and screw pumps normally employed?

Bilge pumping.

Main sea water circulation systems.

Fuel and lubricating oil services.

Jacket cooling water circulation for diesel engines.

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

By taking a transit bearing of two fixed geographical positions and comparing it with the bearing of the same points on the chart

On the chart in the centre of the compass rose or by reference to the Variation chart, taking into account the annual changes

By reference to the last entry in the Compass Error Log Book

By taking the error from the Deviation Table on the bridge

In a typical shipboard de-humidifier plant as may be found on a modern chemical tanker, operating on a "rotating bed" principle, what names are given to the two parts of the rotating bed?

The "live sector" and the "reserve sector".

The "process sector" and the "reactivation sector".

The "active sector" and the "dormant sector".

The "inbound sector" and "outbound sector".

Why did the Second Engineer wish to make an monthly allotment?

The Second Engineer wished to make an allotment because he was unmarried

The Second Engineer wished to make an allotment because he was tired and wanted to rest in his cabin

The Second Engineer wished to make an allotment because he was married

The Second Engineer wished to make an allotment because he wanted to become acquainted with the other officer

After washing cargo holds why are cargo residues often found on the tank top when hatches are opened at the load port?

Because the washing of cargo holds was not thorough

Because of poor drainage into the bilges

Because of cargo residues falling down due to ship’s vibrations during the ballast passage

Due to failure of the bilge eductors

What is "spiked crude oil"?

A group of naturally occurring organic chemicals containing sulphur?

A crude oil where some gas is removed?

A crude oil blended with a liquefied gas or condensate?

A term used to

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

In the highest stowage positions to each side of the ship

At the intersection of the athwartships and vertical axes of the ship

At the intersection of the fore and aft and athwartships axes of the ship

At the intersection of the fore and aft and vertical axes of the ship

One of the categories of information that must be included in your SSP is:

Security arrangements

Threat scenarios

Weaknesses in security measures

Ship security survey

What action would you take if the performance of a plate type heat exchanger was falling off even though flow rates and pressures of the primary and secondary fluids were normal?

Iincrease the flow of both fluids.

Clean the heat exchanger.

Add some more plates to the exchanger.

Increase the pressure of both fluids.

What is enthalpy?

Enthalpy is the sum of the external energy of a substance plus the product of the substance volume multiplied by the pressure exerted on the substance by it’s surroundings.

Enthalpy is the difference between the compressor suction temperature and the condensate return temperature.

Enthalpy is the sum of the internal energy of a substance plus the product of the substance volume multiplied by the pressure exerted on the substance by it’s surroundings.

Enthalpy is the sum of the internal and external energy of a substance plus the product of the substance volume multiplied by the pressure exerted on the substance by it’s surroundings.

On a Container vessel, how should the first tier of under-deck containers be loaded onto a non cellular vessel?

Onto dunnage laid athwartships over the tank top

Directly onto the tank top

Onto dunnage laid directly under the containers' bottom rails

Onto dunnage laid fore and aft over the tank top

Which type of cargo pump works by the cargo being drawn into the pump at high speed and being thown outwards against the pump casing by rotating impellers?

Centrifugal.

Positive displacement.

Reciprocating.

Self-priming.

On a RoRo vessel, what must be considered when planning the loading of ro-ro cargoes on ramps?

SWL and loading limit of the ramp and Minimum clearances for the operation of ramp doors

The extent of lashings due to the ramp slope

Cargo volumes

The purpose of the surface blow valve is to

Remove any oil or scum on water surface

Remove air from feed-water

All alternatives

Remove sludge and scale from boiler tubes

Which group of containerised dangerous goods is considered the most hazardous for marine transportation, due to possible decomposition at normal temperatures?

Inflammable liquids

Organic peroxides

Infectious substances

Toxic gases

Why is it important to slow down the main engine RPM while water-washing the turbocharger?

To protect the bearings

To protect the blower side

Not to damage the rotor blades

To protect the exhaustgas economizer.

Consider a vessel with a 6 cylinder main diesel engine operating with one cylinder out of operation. What would you expect to be the approximate maximum reduced engine load to allow safe emergency operation in this condition?

Approximately 70 % of MCR

Approximately 30% of MCR.

Approximately 90 % of MCR

Approximately 50 % of MCR

LPG carriers rely heavily on the compressors fitted as part of the reliquefaction plant. Screw and reciprocating types are widely used. Which type of reciprocating compressor is most common as a cargo compressor?

Double acting, single stage, oil free compressor.

Double acting, single stage, oil lubricated piston compressor.

Double acting, two stage, oil free compressor.

Single acting, single stage, oil free piston compressor.

What height of water above the inner bottom will activate the cargo hold high level alarm

Not more than 2.5m

Not more than 2.2m

Not more than 2.0m

Not more than 2.8m

A centrifugal pump gland has been repacked following overhaul of the pump. Which of the procedures given in the options is the correct method to ensure the pump shaft does not overheat when the pump is operating?

Tighten the gland to half way travel of the gland follower.

Tighten the gland follower as much as possible and then slacken it back again by one turn of the gland nuts.

Gradually tighten the gland follower with the pump running until leakage at the gland stops.

Gradually tighten the gland follower with the pump running until the leakage is just a small steady flow.

What is the normal maximum oil content permitted for machinery space bilge overboard discharge via OWS equipment?

15 ppm

100 ppm

Zero ppm

50 ppm

Information about your ship’s security arrangements and procedures is stored electronically. Which of these measures will help safeguard it from potential threats?

Work history verification

Encoded email messages

Protective markings

Passwords

What do you understand by the term "Let Go" when applied to mooring and unmooring?

Let Go means to let seafarers go ashore

Let Go means to slacken a mooring rope

Let Go means to leave the ship

Let Go means to cast off the mooring ropes and wires

Some liquefied gas cargoes have an inhibitor added to them. What is the main reason for adding an inhibitor to the cargo?

To prevent cargo leakage from the cargo tank.

To prevent the cargo from heating up too quickly.

To prevent a flammable atmosphere forming in the vapour space.

To prevent or slow down the rate of an unwanted chemical reaction.

This graphical symbol is a logic gate. Which gate?

AND

NAND

NOR

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?

Use Public Address system to inform the passengers. Inform all passengers to report to designated area for head count.

Crew with designated emergency duties should proceed to the muster station to count all passengers in his section. If somebody is missing, report to their superior.

Inform the passengers through Public Address system. Crew with designated emergency duties should proceed to their cabin section and search all cabins. Guide and evacuate passengers. If the area is inaccessible report to their superior or the bridge.

Alarm signal and Public Address system will be effectively, including head count at muster point.

Bulk Coal cargoes may produce methane and carbon monoxide gas; what are the main features of these two gasses?

Methane and carbon monoxide gasses are flammable and lighter than air

Methane and carbon monoxide gasses are non-flammable and lighter than air

Methane and carbon monoxide gasses are non flammable but toxic

Methane and carbon monoxide are heavier than air and flammable

You have just finished discharging several grades of chemicals. Why is it important that the Chief Officer has considered "solubility" when planning the tank-cleaning programme?

Because it will have indicated if hydrocarbons will still be present on the tank bulkheads after initial cleaning and that a chemical additive may need to be circulated or sprayed afterwards to remove them.

Because it will have shown which tanks need to be cleaned first.

Because it will have indicated if the cargo residues can be cleaned with water alone, or if a chemical additive will be needed to help break them down.

Because it will have indicated how much odour there is likely to be remaining in the tank after cleaning.

Under the IMDG code what class of cargoes are liable to spontaneous combustion?

Class 5.2

Class 4.2

Class 5.1

Class 3.1

Four similar ship-types experience beam sea conditions. Which of them will first experience resonant rolling?

The ship with the widest beam

The ship with the smallest GM

The ship with the highest freeboard

The ship with the smallest beam

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?

If the gaps are too small they could close due to the radial wear of the rings before the next scheduled overhaul preventing the rings from contacting the piston rod and sealing it.

If the gaps were too small then no oil could pass up the piston rod to lubricate the sealing rings.

If the gaps are too small the rings could score the piston rod.

If the gaps are too small then the flow of scavenge air through the gland would be reduced and the gland would overheat.

What action should be taken if the heat transfer capacity of a heat exchanger operating as a lubricating oil cooler is reducing?

Increase the lubricating oil flowrate.

Decrease the lubricating oil flowrate.

The heat transfer surfaces should be cleaned.

Increase the cooling water pressure.

At what temperature would you expect to carry a fully refrigerated cargo of ammonia?

- 43° C

- 23° C

- 33° C

- 53° C

What is another term for ‘Cargo Sweepings’?

Cargo hold debris

Waste

Marine Pollutants

Dry cargo residues

What action should be taken by the Officer of the Watch in the event of fire being reported to the bridge during the 00.00 to 04.00 watch?

Send the bridge look-out down to investigate

Sound the Fire Alarm

Stop engines and inform the engine room

Call the Master

What is the main purpose of 'gassing up' the cargo tanks of an LNG carrier?

To ensure a uniform temperature in the cargo containment system prior to loading.

To remove IG tank atmosphere with warm cargo vapour prior to loading the cargo.

To avoid a pressure rise in the liquid dome during loading.

To bring the cargo containment system to a temperature which will prevent excessive boil off during loading.

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?

The nominal loading rate is multiplied by a factor of 1.15

The maximum loading rate is multiplied by a factor of at least 1.25

The average anticipated loading rate is multiplied by a factor of 2.0

The calculated loading rate, assuming a litreweight of 1.2 kg/l and allowing for a friction loss of 12% per 30 metre length of unrestricted pipeline, is multiplied by a factor of 1.15 (A safety margin of 20% is additionally applied for products with a vapour pressure of greater than 1.15 mPa).

Which electronic component is this graphical symbol illustrating:

Resistance, 3300 ohms

Capacitor, 3.3 F

Electric heater, 3.3 kilowatts

Inductive reactor, 3.3 kH

How often shall drills for the operation of watertight doors, side scuttles, valves and closing mechanism of scuppers, ash-chutes and rubbish chutes take place in passenger ships?

Every two weeks

Daily

Every month

Weekly

What name is given to the "energy" that a person "burns" during the day and which is replaced in the amount and type of food he eats?

Cellulose.

Callibres.

Canapes.

Calories.

A consignment of steel drums containing IMDG Class 8 cargo are about to be loaded in the hold of a General Cargo vessel; a number of drums are leaking slightly, what action should be taken?

The cargo consignment not be loaded at present; the Chief Officer must be informed and make final decision if the cargo is to rejected

The cargo must be stowed under deck

The drums can still be loaded provided that they are only loaded on deck

The cargo cannot be rejected and must be loaded

A very sensitive and valuable commodity is loaded into refrigerated container which is more than 12 years old. The container has been 'pre-tripped' with all routine maintenance having been carried out to the refrigeration plant and sensors with parts being replaced as necessary and all functions appear normal. Which aspect of using this container is most likely to cause problems during the voyage?

Degradation of the insulation due to the age of the container leading to excess heat transfer through the walls.

The accuracy of the control system of the refrigeration plant.

The age of the refrigeration plant.

The type of gas used in the refrigeration plant.

A High Breaking Capacity fuse found in a Main High Voltage Switchboard will have fault level rating of ?

4000A

400A

40 kA

40A

A crew member is seen to collapse on entering a cargo hold of a bulk carrier; what action should be taken?

First aid must be given

A full emergency must be declared

Inform Chief Officer

Crewman to be assisted out of hold

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

Bring a flashlight and put on safety shoes

Make sure that the tank/ enclosed space is gas free, ventilated and the oxygen content is measured. O2 content shall be 21% before entering the tank/ enclosed space

Remember to have a colleague standing by to assist you if any problems

Use a breathing apparatus if the oxygen level is below 21%

Maintenance of lifeboats and davit arrangements is routine work onboard. Why should you not carry out this type of work alone?

It is boring to work alone and you should be able to chat with colleagues while working

If you need something to drink, the second person can get it for you

If the person working on the lifeboat falls over board, the second person can lower the lifeboat and prepare pick-up immediately

There might be a risk of falling even though harness and lifeline is used. A second person should always stand by to assist with tools etc. and other practical arrangements.

The centre cargo tanks on your ship are made of stainless steel, while the wing tanks are made of mild steel with a zinc coating. Your ship is to load some Sulphuric Acid. Which tanks will it be loaded in?

It can not be loaded into any of the tanks on the ship.

Only the stainless steel centre tanks.

Only the zinc coated wing tanks.

Both the stainless steel centre tanks and the zinc coated wing tanks.

During routine checking of alarm functions of main and auxiliary equipment, some setpoints are canceled due to a mistake. What is the appropriate routine to ensure correct setpoints are set?

Ask your colleague if he remembers the correct setpoint

Check from previous records for correct values

Consult with the instruction manual for the equipment in question for correct values.

Select a setpoint based on present condition allowing for a reasonable safety margin.

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

Stop engines and display the NUC signal

All of the suggested answers

Call the Master and advise him of the situation

Request the engine room to check the steering gear

A steel spear thermometer is to be used to check the pulp temperatures of a cargo of chilled beef which is vacuum wrapped in plastic and packed in cardboard cartons. Which of the given options is the most appropriate method of using the thermometer to get the pulp temperatures of this high value commodity?

Remove the carton lid and drive the thermometer directly into one of the pieces of beef through the plastic wrapping.

Drive the thermometer directly through the carton and the plastic wrapping into the beef.

Remove the lid of the carton and place the thermometer so that it is completely covered between two of the plastic wrapped pieces of beef.

Drive the thermometer through the cardboard but avoid piercing the plastic wrappings.

Where will you find the Dangerous Goods List?

In chapter 3.6 of the IMDG Code volume 2

In SOLAS 74/88

In chapter 3.2 of the IMDG Code volume 2

In the Cargo Securing Manual

Provided it is considered safe to do so what is the best method of cleaning a cargo hold that contained grain?

Sweep the cargo holds after discharge

Hose down the cargo holds after discharge

Sweep and clean cargo holds from the top down as discharge progresses

Sweep and clean cargo holds from the top down as discharge progresses followed by a final wash

The following chemical cargoes are all "carcinogens": Acrylonitrile, Aniline, Benzene, Chloroform, Epichlorohydrin and Toluene. What is a "carcinogen"?

A substance capable of burning tissue from contact with its vapours alone.

A cargo which requires cleaning at a specific temperature as listed in MARPOL.

A substance capable of inducing cancer.

A high-grade oil product, obtained by repeated distillation.

What is of utmost concern during a loaded passage in winter across the North Atlantic

Parametric Rolling

The added weight of icing on container stacks

Temperature differential between air and seawater, that may affect the shell plating

The presence of icebergs

Why must draught marks be read on both port and starboard sides of a bulk vessel when accurate draughts are required

The vessel marks may be incorrectly drawn

The vessel may appear up right but often will be found to have a slight list when port and starboard marks are compared

The vessel may be trimmed by the head

The draught reading on one side of the vessel sufficient

When should the Second Officer call the Master?

The Second Officer should call the Master whenever he sights more than three ships

The Second Officer should call the Master just before breakfast

The Second Officer should call the Master thirty minutes prior to the vessel's arrival at the pilot station

The Second Officer should call the Master whenever anything unusual happens during his watch or whever he is in doubt, regarding the COLREGs

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

Ballast trimming system

Cross flooding arrangement

Separate trim tanks

Self acting ballast trimming arrangement

On a RoRo vessel, where will escaping gasoline vapours settle in a cargo hold? If the forced ventilation system is shut down

At deckhead level

At the lowest levels

At all levels

Due to what could a bulk carrier fail a cargo hold inspection?

Loose rust around the cargo hold

Rusty tank top plating

Hardened rust spots on shell plating

Rust stained hopper tank plating

The design features of a container ship with pronounced bow flare, a wide flat transom stern and wall sided amidships section contribute to what occurrence?

Excessive pitching

The ability to shed water very quickly off the decks

Large angles of heel with a large GM

Parametric Rolling

When is a visitor onboard required to present an ID?

Only on SECURITY Level 3

On SECURITY Level 2 & 3

Never

"On SECURITY Level 1, 2 & 3"

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

Encountering heavy weather

Transverse accelerations

The breaking strength of lashing materials

The size and weight of general cargo items to be loaded

Which of the following answers would most appropriately describe shell plating damage to the vessel?

"My vessel has sustained damage to shell plating in way of No. 3 cargo hold"

"My vessel has sustained damage to shell plating below the waterline"

"My vessel has sustained damage to shell plating above the waterline"

"My vessel has sustained damage to shell plating below the waterline in way of No. 3 cargo hold, starboard side"

Why should all bulk cargoes be trimmed and levelled on completion of loading?

To assist in the discharge

To prevent flammable gasses being generated

To reduce the possibilities of the cargo shifting at sea

To reduce the risk of cargo damage on passage

A general cargo ship is being loaded in Singapore for Hong Kong; which is the preferred order of loading for the following cargo types in the same hold?

Top stow: Steel slabs, Middle stow: Pallets Machinery parts, Bottom stow: CKD's (packaged cars)

Top stow: CKD's (packaged cars), Middle stow: Steel slabs, Bottom stow: Machinery parts

Top stow: CKD's (packaged cars), Middle stow: Pallets Machinery parts, Bottom stow: Steel slabs

Top stow: Pallets Machinery parts, Middle stow: CKD's (packaged cars), Bottom stow: Steel slabs

What action should be taken, in addition to isolating the leak, if the boiler water has become contaminated with a small amount of fuel oil due to a leaking heating coil?

Do nothing, a small amount of oil in the boiler is harmless..

Dose with coagulant and give the boiler a bottom blowdown.

Dose with coagulant and continue to operate the boiler as normal.

Dose with coagulant and surface blow the boiler.

Where do you find detailed information and specific technical requirements for fire safety systems?

ISM Code

SOLAS

Safety Management System

Fire Safety Systems Code (FSS Code)

How is the condenser in a fresh water evaporator normally cooled?

With air

With seawater

With brine

With distillate

Due to the relative low resistance of a Pt 100 sensor we might have to compensate for the cable-resistance to ensure a correct reading. Which of the 4 alternatives given is correct for the connection of this compensation resistance.

Figure 4.

Figure 1.

Figure 2.

Figure 3.

In most colour coding systems for kitchen knives, what colour is used only for knives used in the preparation of raw fish?

Green.

Brown.

Red.

Blue.

Which of these statements about profiling is correct?

Check the ID of all visitors and some crew prior to boarding.

Pay less attention to body language and behaviour and more attention to answers to questions.

Use only open-ended questions.

Verify that answers to questions match up with what’s already known about the person being questioned.

Many large slow speed diesel engines operating on heavy fuel oil have a fuel injection system which features Variable Injection Timing. How does this affect engine operation?

VIT allows the ship's engineers to alter the injection timing for each load setting with a simple single adjustment of the fuel rack.

VIT increases engine efficiency by automatically maintaining the maximum cylinder pressure over the entire load range.

VIT increases engine efficiency by automatically maintaining the maximum cylinder pressure over part of the load range.

VIT improves engine operation by automatically controlling the start of fuel injection when it detects a poor quality fuel.

Many LNG vessels have spherical cargo tanks. Which of the statements given in the options is the most accurate?

Using spherical tanks means double hulls are not required.

Using spherical tanks means that the cargo can be carried at pressures well above atmospheric.

Using spherical tanks allows more cargo to be carried as the tank is positioned above the deck.

Using spherical tanks means only a partial secondary barrier is required.

How many carbon atoms are there in solid materials?

Above 16 carbon atoms.

I don't know.

From 5 to 16 carbon atoms.

Up to 4 carbon atoms.

On a Container vessel, to what would a fibreglass yacht be secured after lifting onboard?

The cradle

Flatrack

Yacht Bay

Pallet

What do you call the plan on board dealing with the distribution of the crew and their duties at fire fighting?

Emergency instruction

Alarm instruction

Fire distribution plan.

Safety plan

Which of the following are frequent causes of fires in accommodation?

Covering of electric fires with blankets

1Smoking in bed. 2 Covering of electric fires with blankets. 3 Overloading electric plugs.

Overloading electric plugs

Smoking in bed

Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.