Home Online tests CES Oil tanker Deck Support Test online CES 5.1 for Deck department, Support level, Oil tanker vessel

Online testing: Test online CES 5.1 for Deck department, Support level, Oil tanker vessel

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The Urgency Message from a ship is used to notify other traffic of a situation where the ship is not in imminent danger, but where the development of the situation is uncertain and may need assistance in the near future. What is the telephony urgency message like?

RESCUE-RESCUE

SECURITE

PAN-PAN

MAYDAY

When a message is sent by the Inmarsat—C installation to an Internet e-mail address, the land charge is:

dependent on the ‘chargeband'

dependent on the destination

independent of the destination

Don't know

What is the correct chemical name for Caustic Soda in liquid form?

Sodium Hydroxide solution

Potassium Hydroxide solution

Sodium Chlorate solution.

Sodium Hypochlorite solution.

Which of the following requirements to ships stability for normal operation corresponds to present regulations? (NSCL 4/12.2)

Centre of gravity shall be calculated with an accurancy better than 5 percent.

The ship is loaded in such a manner that adequate stability is achieved in all loading condition.

I waters with the danger of icing, loading of deck cargo must be approved by competent authority.

Unless othereays stated in the approved stability calculation, the total weight of the deck cargo shall not exeed 50 metric tons.

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:

You should ask over VHF if there is any vessels in the surronding waters before going to the chart room.

You shall always give the "keep away" signal when doing chart work.

The fishing vessel should have kept away and you will not be blamed.

You did not maintain a proper look - out by all available means.

How can you minimize the squat effect?

Decrease the speed as much as practicable

Maintain your course and speed

Increase speed if the ship is not already on full ahead

Do a zig-zag manoeuvre to reduce speed

The ship has a right-handed propeller and is swinging to starboard when the engines are slow ahead and the rudder is to starboard. The engines are stopped and the rate of swing rapidly slows down. How could the swing to starboard be maintained without the ship making much headway.

Astern on the engines will allow Transverse Thrust to continue the swing

By applying the rudder hard over to starboard and going ahead on the engines.

The only effective method is by using the bow thruster to push the bow to starboard.

Transverse Thrust will reduce the swing and therefore a kick ahead is necessary with full starboard helm applied.

The OOW is expected to double-check the whole voyage plan?

Yes

Only the coastal part

Only if no ECDIS is used

When passenger ships are engaged on international voyages (except for short ones) musters of the passengers must be performed within

1week after their embarkation

24h after their embarkation

48h after their embarkation

immediately after their embarkation

Which of the given statements can be considered as the most accurate according to the IMO Gas Codes and other LNG industry standards?

Methane is neither toxic nor an asphyxiant gas.

Methane is considered as presenting a flammable hazard and may also be an asphyxiant.

Methane is considered as presenting both flammable and toxic hazards.

Methane is considered as presenting a toxic hazard and may also result in a chemical burn in contact with the skin.

What should be clearly marked on the cowl ventilators of a General Cargo Vessel?

A serial number

The date when last painted

The Open and Closed positions with the last date of testing

The last internal inspection date

Who is responsible for issuing an ISPS certificate?

The Port State

The Flag State

US Coast Guard

The insurance company

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

On a General Cargo vessel, how should steel coils be stowed?

With their cores aligned athwartships

With their cores aligned alternately fore and aft and athwartships

With their cores aligned vertically

With their cores aligned fore and aft

You are alongisde to load a cargo of Triethylamine. It will be supplied from shore using an 8-inch flexible hose. When securing this to the ship's manifold (header), how should the connection be made?

With a bolt in every hole in the flange, securely and evenly tightened.

With a bolt in alternate holes, securely and evenly tightened.

With a bolt in alternate holes, securely and evenly tightened, or a minimum of two G-clamps, fitted diagonally across from each other and fully tightened.

Cargo hoses should no longer be connected directly to ship's manifolds for the loading of dangerous chemicals.

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

Excessive trim by the stern

Reduction of speed and additional fuel consumption

Reduction of metacentric height (GM) and loss of freeboard forward

Increase in metacentric height (GM)

You are in an area of restricted visibility. You hear this sound signal. What does it mean?

That there is a vessel engaged in underwater operations in the vicinity. She has divers down.

That there is a vessel aground in the vicinity.

That there is a vessel at anchor in the vicinity.

That there is a vessel in distress nearby.

What information should be displayed on a Fumigated Container?

The date of manufacture of the container

The proper name of the fumigant and the date it was applied

The trade name of the fumigant and the date it was applied

The last container inspection date

Temperature sensors of all types are normally mounted in a well, or pocket, when used in pipelines. Why is this done?

Allow removal of the sensor also when liquid is flowing in the pipe.

Decrease the temperature gradient between the liquid and the sensor.

Avoid electric current flowing from the sensor to the liquid.

Suppress electro-magnetic interference between liquid in the pipe and the sensor.

"If drugs or suspected drugs are found onboard your ship, follow the five C’s. Confirm, Clear, Cordon, Control and:"

Check

Chuck

Change

Cheer

On the figure 4 possible definitions of the term "QUAY" are given. Which one is the correct one?

Quay is given by C on the figure

Quay is given by A on the figure

Quay is given by D on the figure

Quay is given by B on the figure

What is the full name of the International Convention dealing with stability of passenger ships?

The International Convention for the Safety of Life at Sea

ISPS

International Safety Management code

SOLAS

A cable has a resistance of 1 milli-ohm per metre. It supplies a 300A load over a distance of 100 metres. What is the voltage drop along it's length?

300 milli-volts

3.0 volts

30 volts

300 volts

On a General Cargo ship in the United States, what will be the consequences of a ship's failure to correct an unsafe stevedore working practice?

The duty officer will be arrested

The ship will be prosecuted

The port will lodge a protest against the ship

The master will be arrested

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

We are controlling the process inlet side

The process is always oscillating

We can calculate the system response mathematically

It is easy to obtain a perfect control

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

15 to 18 degrees

18 to 23 degrees

30 to 33 degrees

23 to 30 degrees

What type of Bill of Lading covers "door to door" shipment?

A Destination Bill of Lading.

A Through Bill of Lading.

A Multi-Phase Bill of Lading.

An Ocean Bill of Lading.

What should be done after discharging coal with a high sulphur content from a bulk carrier?

Areas of corrosion in the cargo holds should be noted

An inspection of cargo hold areas prone to cracking should be carried out

An inspection of cargo hold areas prone to fatigue should be carried out

Cargo holds should be thoroughly washed and cleaned

Most search patterns consists of:

Vertical tracks

Parallel track covering a rectangular area

Horizontal tracks

Vertical and horizontal tracks

Where is the normal position of the "Pivot Point" of a vessel when going astern?

Amidships

1/3 of the vessel's length from the bow

Between 1/4 of the ship's length from the stern and the rudder post

Between amidships and 1/4 of the vessel's length from the bow

What would you do before giving a boiler a “bottom blow”

Increase the oil temperature

Drop the water level a couple of inches below normal

Increase the oil pressure

Raise the water level a couple of inches above normal

On some large slow speed engines the crosshead guides are adjustable to allow the clearance between the crosshead shoes and the guides to be set equally. The normal arrangement is to have bolted on guide bars with shims fitted behind them. Which of the methods given in the options is the one normally used to ensure this is done correctly?

Fit an equal number of shims behind each guide bar which should result in equal clearances between the guide bars and shoes along the whole length.

Turn the engine so that the piston for the cylinder concerned is at TDC and measure the clearance along the length of each bar and shoe and fit shims to equalise the clearances.

Turn the engine so that the piston for the cylinder concerned is at BDC and measure the clearance along the length of each bar and shoe and fit shims to equalise the clearances.

Turn the engine so that the piston skirt is at the bottom of the liner. Use wedges to centralise the piston and measure the clearances along the length of each bar and fit shims to equalise the clearances.

What general background colour is used on warning signs which require a specific "mandatory" action, such as one which might require the wearing of a safety harness during a particular work task?

Blue.

Red.

Yellow.

Green.

Which of these is addressed in the latest amendment (34-08) of the IMDG Code?

The classification of Marine Pollutants as environmentally hazardous substances

Mandatory training provisions

All

Marking requirements for Marine Pollutants

What is the minimum number of relief valves to be fitted to any cargo tank of greater than 20 cubic metres capacity?

Minimum two pressure relief valves in addition to MARVS.

At least two pressure relief valves.

Minimum one pressure relief valves.

The required number of pressure relief valves is dependent on the pressure.

On a Container vessel, when will a full container experience a force of 100% of its weight?

When the ship is heaving

When the ship is rolling and pitching

When the ship is rolling

When the ship is pitching

During operation of the main engine, the exhaust temperature increases on one of the cylinders. The turbocharger starts surging and smoke from the turbocharger inlet air filter occurs. What is the probable cause?

Scavenge box fire

Turbocharger failure

Fuel valve stick in open position.

High back pressure in the exhaust system

Why should a heavy lift derrick not be operated close to the horizontal?

Because the topping lift sheave may fail

Because the derrick gooseneck might crack

Because the topping lift wire may part

Because there is danger of the derrick heel springing out of its shoe

When are power-operated watertight sliding doors (class 3 doors) compulsory for all watertight doors aboard passenger ships?

Where the ship is fitted with through-going car decks

Where one or more doors are situated below deepest load line

When the ship is certified for more than 150 passengers

Where the ship has passenger spaces below the bulkhead deck

With reference to the installation of pressure gauges for steam systems. Complete the following statement from the options given. To protect a bourdon tube type pressure gauge which is to be fitted to a steam line it should ….

..be fitted directly to the steam pipe.

..be fitted to the steam pipe using a flexible hose.

..be fitted with a siphon loop between it and the steam pipe.

..have its casing filled with water.

How would you ventilate your cargo holds when sailing from cold climate to hot climate?

No ventilation should be done?

Ventilate at intervals during the night?

Ventilate at intervals during the day?

Ventilate excessively?

On a container vessel, when would a bulk liquid cargo carried in a flexitank container be considered dangerous?

When the associated material safety data sheet shows a constituent(s) listed in the IMDG Code

When declared as a non-hazardous chemical

When the shipper instructs that the container be carried on-deck only

When declared as bulk liquid foodstuff

During maintenance work on a compensated mechanical hydraulic governor air is drawn in to the hydraulic circuit after draining and flushing out the unit. Which of the actions given in the options is most likely to assist in the removal of the air from the system?

With the governor in operation open the compensation needle valve to introduce instability and disturb the engine load to make the governor hunt.

With the governor in operation close the compensation needle valve and disturb the load to make the engine hunt.

Overfill the governor with fresh oil to force all of the air out.

Drain the governor again and slowly refill with fresh oil.

Where should containers with fishmeal cargo be carried?

On deck away from sunlight

Separated from class 4.2 containers

On deck

Under deck

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?

Skim the valve plates in the lathe to remove all of the marks.

Discard the defective valve plates and replace them with new spares.

Dress the valve plates up using a portable grinder.

Use coarse grinding paste to remove the marks from the valve plates as quickly as possible.

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

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.

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

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

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

Where do you load dangerous goods?

Dangerous goods shall only be loaded in designated ares on the ro-ro deck

The driver of a tank lorry can decide where to park the vehicle

The officer in charge of loading can decide where to load dangerous goods if the number of vehicles and passengers are limited

As long as the ship is certified to carry dangerous goods there are no restrictions

Radio frequency signals can carry information from one place to another if they are modulated. There are several ways to modulate a carrier. Which modulating method is illustrated here?

Frequency modulation (FM)

Pulse-code modulation (PCM)

Amplitude modulation (AM)

Pulse-width modulation (PWM)

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

To maintain an inert atmosphere in the tanks during a loaded voyage.

To prevent an explosive atmosphere forming in the cargo tanks before gas freeing.

To pressure test the cargo tanks after repair work.

To help displace the cargo from the tanks during discharge.

When washing a cargo hold of a bulk carrier prior to loading a cargo of steel products, why is the space washed down with salt water and then fresh water?

To maintain safe access by hold ladders

To assisting in drying the hold space

To prevent damage to paint coatings

To remove all traces of salt that would possibly contaminate the cargo if water drops onto the cargo

How many lifejackets are required in a passenger cabin?

Same number as beds in the cabin

At least 2

Twice the number of beds in the cabin

Non, they will be handed out at the muster station

On the figure 4 possible definitions of the term "WINDLASS" are given. Which one is the correct one?

Windlass is given by A on the figure

Windlass is given by B on the figure

Windlass is given by C on the figure

Windlass is given by D on the figure

How is a dangerous substance listed in the IMDG Dangerous Goods List?

By its Proper Shipping Name (PSN) and subsidiary name

By its Trade Name

By its Proper Shipping Name (PSN)

By its abbreviated Trade Name

What gives the condenser pressure in a 1 stage direct cooling plant?

One, two and three stage piston compressors.

One, two and three stage screw compressors.

Piston, screw and centrifugal type compressors.

Oil free screw and centrifugal type compressors.

On a Container vessel, why are twistlocks preferred as a means of securing containers compared to cone-based lashing systems?

Because cargo securing manuals do not allow for cone-based lashing systems

Because cone-based lashing systems are not type-approved by classification societies

Because cone-based lashing systems are more prone to failure than twistlocks

Because twistlocks provide uplift resistance as well as horizontal restraint, helping to prevent containers from falling overboard in heavy weather

This figure shows a transformer, with two windings, N(1) = 2000 and N(2) = 1000 turns, on a common magnetic circuit. Assume that there is no energy loss in the transformer itself. Calculate the current I(2) when the current I(1) = 2 A.

I(2) = 8 A

I(2) = 2 A

I(2) = 1 A

I(2) = 4 A

What is meant by the term 'hold space' in relation to a liquefied gas carrier?

The space where the ballast tanks are situated.

The space enclosed by the ship's structure in which a cargo containment system is situated

The space between the individual cargo tanks.

The space where the cargo is carried.

What would be a correct form of response to the question: Have you altered course?

A correct form of response would be: "Yes, I have altered course"

A correct form of response would be: "Yes, I have altered course - my new course is one two zero degrees"

A correct form of response would be: "Why should I alter course?"

A correct form of response would be: "Alright, I will alter course"

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

Use emery cloth on the inner ring (contact surface) of the bearing.

Use a hammer and a pipe with the same diameter as the inner bearing ring and knock the bearing onto the shaft.

Gently heat the bearing in an oil bath and use a bearing puller to draw it onto the shaft..

Use emery cloth on the bearing surface on the shaft.

What will you do if you are told to operate unknown mechanical equipment?

As time is money, the trial and error method shall be used.

Ensure that all safety guards and devices are disconnected.

Seek advice from your superior before attempting to operate it.

Do not operate the machine, but read the manual before reporting to the head of your department

What should you take into consideration when discharging from the cardeck(s)?

Discharge the upper car decks first

Always discharge the cargo on port side first!

To discharge evenly from each side, to avoid heavy list

Discharge the lower car decks first

Clay slurry, coal slurry, dextrose solution and molasses. In which MARPOL product category are these substances classified under the revision that came into effect on 1st January 2007?

"Y"

"Z"

"OS" (Other substances)

"X"

On a Container vessel, when preparing to lift hatch pontoons why is it necessary to secure all loose material on it?

Because this is an international requirement

So that loose equipment does not fall into the cargo hold

So that pontoons are not fouled by loose material whilst being lifted

To facilitate the gantry crane operator

What must duty crew members ensure so that ro-ro units are not damaged on board?

Units must be driven at a safe speed

Units must not be driven in poor lighting conditions

Units must not be driven over ‘D’ rings

All on-board safety signs must be intact

Due to the safety of the ship its crew and passengers it is only permitted to ……… in designated areas onboard

Use mobile telephones

Smoke

Read magazines and newspapers

Drink

A palletised fruit cargo is being loaded into a cargo space which will be partly empty at the completion of loading. In order to secure the cargo which of the options given is the best way to complete the stow?

With the face of the stow athwart ships (side to side across the compartment.

With the face of the stow stepped down using cartons after breaking down the last pallets.

With the face of the stow stepped across the compartment.

With the face of the stow fore and aft along the length of the compartment.

What does the cargo capacity of a car carrier depend upon?

The number of vehicles it can carry

The size of vehicles for which it is designed

The weight of vehicles it can carry

The volume of vehicles to be loaded

The Ziegler-Nichols method is used in control engineering when setting up the system. Which of the system components given in the options would this method be applied to during initial set up?

Sensing unit to set the range.

Valve positioner to optimise speed of operation.

PID controller for tuning.

Valve and actuator to set the span of travel.

When testing boiler water, should the sample be:

As hot as possible.

At lowest possible temperature.

At room temperature.

It makes no difference.

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

Vertical zones are separated with fire doors which will be closed automatically when the fire alarm start.

All vertical zones are separated with watertight doors, which will be closed in the case of a grounding, etc.

Vertical zones are fire zones which can be divided from each other with fire doors. In case of fire, all fire doors in front and aft of the fire will be closed to prevent spreading of smoke/fire.

There is one fire team in each zone.

How can you avoid and/or reduce potential panic among passengers, if an emergency situation occurs?

Checking that all crew and passenger are present

Inform passengers at frequent intervals over the public announcement system about the situation and how they shall act. Use as many of the ships officers and crew among the passengers to assist.

Do not inform passengers about the situation. It will only create panic and make it difficult for the crew to handle the situation.

Inform the passengers, that there is nothing to worry about, to keep them calm.

An electric motor is to be aligned to a pump by insuring shims under the motor feet. Which of the tools given in the options would be used to check that the alignment is correct by measurement of the gap between the coupling faces?

An inside vernier calliper.

A set of feeler gauges.

An inside micrometer.

A go/no go gauge

A medium speed diesel engine is used to drive a controllable pitch propeller through a suitable clutch and reduction gearbox. What should the blade attitude normally be after the engine is started and before the clutch is engaged?

The blades should be in the full ahead position.

The blades should be in the zero pitch position.

The blades should be in the full astern position.

The blades should be in the zero thrust position.

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

In an emergency, passengers are most likely to be familiar with the ship's layout and be able to find escape routes, if they are:

First-time travelers on an overnight ferry trip, and they are in their cabins at the time of the emergency

Frequent travelers on a 3-hour domestic ferry trip, and they are in the passenger lounge at the time of the emergency

On an 8-day cruise, and they are in their cabins when the emergency occurs on the sixth day of the cruise

On an 8-day cruise, and they are in their cabins when the emergency occurs on the first day of the cruise

What is the correct sequence of washing a cargo hold?

Saltwater wash, freshwater rinse, dry, sweep

Freshwater wash, saltwater rinse, dry, sweep

Sweep, freshwater wash, saltwater rinse, dry

Sweep, saltwater wash, freshwater rinse, dry

A standard outside micrometer requires regular maintenance, including calibration, in order to ensure accuracy of measurement. How is the accuracy of this type of instrument normally checked? Select the answer from the options given.

By checking the distance between the micrometer anvil and spindle with an inside micrometer.

By measuring a standard gauge block or rod at a common temperature.

By checking the distance between micrometer anvil and spindle with an inside vernier gauge.

By trying a go/no go gauge between the micrometer anvil and spindle at maximum opening at a common temperature.

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?

Engine on bridge control.

Rapid changes in engine load due to rough sea conditions.

Exhaust system recently cleaned.

Air leakage from scavenge receiver.

If a master initially responds to a distress but then, in special circumstances, decides not to proceed, what must he then do?

Inform the appropriate search and rescue authorities of his decision and enter the reason in the ship's logbook.

Inform his owners of his decision and resume his passage at the earliest opportunity.

If possible, inform the casualty of his decision and communicate his reasons.

Contact the SAR Mission Co-ordinator and secure his written agreement to the release of his vessel from the operation.

What percentage of the baggage is required to be checked at Security Level 1?

25-50% of the baggage is required to be checked at Security Level 1.

The percentage is not specified.

100% of the baggage is required to be checked at Security Level 1.

5-15% of the baggage is required to be checked at Security Level 1.

Why is it important to have an efficient fire patrol system on board passenger ships?

To show passengers in public areas we are on duty 24 hrs

To control that passengers adhere to smoking regulations on board

To ensure that an outbreak of fire may be prompltly detected

To verify that the automatic fire-detection system is working properly

Which plan shows the position of the vertical and longitudinal centres of gravity for each cargo compartment?

Lines Drawing

General Arrangement plan

Capacity plan

Shell Expansion plan

Inspection of the LP turbine rotor reveals some erosion damage to the blading on the final stage. Which of the given options is most likely to be the cause of this condition?

Steam inlet to the turbine superheat temperature low.

Steam inlet to the turbine pressure too low.

Excess LP bleed steam take off.

Total dissolved solids in the boiler too high.

What means of communication shall be provided to each member of the fire patrol?

Telephones in public spaces

Emergency telephones and Public Address system

A two-way portable radio

A mobile telephone

With regard to dry chemical powder fire-extinguishing systems in the cargo area, what is the required number of self-contained independent dry chemical powder units?

At least one unit.

At least three units.

Sufficient number of units to cover the cargo area.

At least two units.

Fast rescue boats construction should be:

Inflated

Rigid

Stainless steel

Rigid, inflated or rigid / inflated

This is a parallel L-C circuit with a curve showing frequency- impedance characteristics. Which of the formulae A to D will you utilize for determining the resonant frequency f?

fo = Pi*sqrt (L/C) / C

f o = 1 / (2*Pi* sqrt (L/C))

fo = 1 / (Pi*sqrt (1 - LC))

fo = 1 / (sqrt (1 - LC))

An oil tanker's tank-cleaning machine with a rotational speed of 1 rpm and a slected pitch angle of 1.5 degrees is used to perform a bottom wash with a vertical angle from 40 degrees to 0 degrees for 1.5 cycles (3 passes). If the throughput of the machine at design pressure is 90 m3/hr, what will be the washing time and quantity of crude oil required?

40 minutes and 60 cubic metres of oil.

48 minutes and 70 cubic metres of oil.

30 minutes and 45 cubic metres of oil.

36 minutes and 48 cubic metres of oil.

Is it necessary to cool the water samples from the cooling system, before testing?

Yes, must be cooled to 25 Degr. C.

Yes, must be cooled to 50 Degr. C.

No, must be heated to about 95 Degr.C.

No.

When talking about cargo operations on an oil tanker, what is "topping off"?

Commencing discharge from another tank, to retain suction, when stripping a tank

Completing the loading of a tank to the required ullage

Filling a cargo tank to its maximum level without causing an overflow

Slow pumping a cargo tank at the commencement of discharge, to achieve a safe ullage, before starting discharge from other tanks

This online test consists of 90 random questions from CES 5.1 tests on a topic of your choice.