Home Online tests CES Dry cargo Deck Support Test online CES 5.1 for Deck department, Support level, Dry cargo vessel

Online testing: Test online CES 5.1 for Deck department, Support level, Dry cargo vessel

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Question 1 from 90

*In which one of the following an oil, the flash point of which only needs to be over 43°C, may be used?

In the kitchen

In the main engine

In emergency generators

In inert gas generators

While the vessel is in a Red Sea port during August loading/discharging a hydrocarbon cargo, should the air suction for the accommodation be:

Placed on full recirculation.

Recirk. full open, fresh air intake closed.

A mixture of both.

Closed down all together.

What is the MARPOL definition of a "solidifying substance"?

A noxious liquid substance which, in the case of a substance with a melting point of less than 20°C which is at a temperature of less than 10°C above its melting point at the time of unloading, or in the case of a substance with a melting point equal to or greater than 20°C, is at a temperature of less than 15°C above its melting point at the time of unloading.

A noxious liquid which will crystallise and eventually bond into solid form at ambient, or less than ambient temperatures unless an external heat source is applied.

A noxious liquid substance which, in the case of a substance with a melting point of less than 15°C which is at a temperature of less than 5°C above its melting point at the time of unloading, or in the case of a substance with a melting point equal to or greater than 15°C which is at a temperature of less than 10°C above its melting point at the time of unloading.

A noxious liquid substance which will cystallise and eventually bond into solid form if exposed to an external heat source.

When carring a cargo in a tank which not requires any heating, what should be done with the heating coils prior loading ?

The should be blown completely dry by the use of air or nitrogen.

The coils should be blanked.

The should be blown completely dry by the use of air or nitrogen and then blanked.

The coils should be filled with water and blanked.

Which of the following Meridian figures is correct? Approx. Pos: N30°00' W15°00'. Declination: 15°00'S.

Figure 4 is correct.

Figure 2 is correct.

Figure 1 is correct.

Figure 3 is correct.

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?

This will give the stern a lift force to port

There will be no lift force and the ship will go straight astern

This will give the stern a lift force to starboard

The rudder will have no effect when the ship is making sternway, it should be in the amidships position when going astern

Which type of vessel suffers from the greatest squat effects?

Vessel with a large length to beam ratio

Vessel with a high Block Coefficient

Vessel with a low Block Coefficient

Vessel with a small length to beam ratio.

When navigating using the GPS, how does the GPS display indicate when the accuracy of the displayed position is reduced?

The GPS display is always very accurate and does not give any indication of lack of accuracy.

A large Correction Factor is displayed on the screen

A large HDOP value is displayed on the screen

The GPS display flashes and sounds an alarm

When should gangway nets be rigged?

When it is deemed necessary by the Master or the Chief Officer.

Whenever the gangway is rigged.

Whenever the gangway is regarded as unsafe.

Between sunset and sunrise.

In respect of washings from the cargo area of an oil tanker, what is the maximum instantaneous rate of oil that can be pumped into the sea when a vessel is outside a special area, proceeding en route, has in operation a monitoring and control system for the discharge of oil and is located more than 50 nautical miles from the nearest land?

0.03 litres per nautical mile.

30 litres per nautical mile.

300 litres per nautical mile.

60 litres per nautical mile.

On a RoRo vessel, when loading Double Stacked containers on Maffi Trailers how many twist locks should have used between the 2 containers

three in total 2 at the door end 1 at the opposite end

One at each end 2 in total

One on every corner 4 in total

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

To slow down the thought processes to ensure a thorough assessment of the threat

To slow down the heart rate to conserve energy

To immobilize the individual until he has decided upon the best course of action

To prepare for peak performance that will improve the chances of survival

A number of substances are carried as cargoes on liquefied gas carriers. Of those given in the options, which is the most reactive, and therefore least compatible, with other liquefied gas cargoes?

Chlorine

Propane

Ethylene

Methane

During a Crude Oil Washing operation, if measurement of the atmosphere within the tank indicated that the oxygen level had risen to above 8%, what action would you take?

Stop the washing operation as you have reached the required level. Pump out the remaining oil and then wash the tank with water.

Contuinue washing, but increase the delivery rate from the IG generator.

Stop the washing operation and do not resume until a level of less than 8% oxygen content by volume has again been acvhieved.

Take no action. It only becomes a critical situation if a level of greater than 11% oxygen content is measured.

What is the necessary protection when you are rust chipping with air tools?

Gloggles and ear protectors

Protective clothing, safety shoes, earmuffs

Gloves, goggles, earmuffs

Protective clothing, safety shoes, gloves, goggles, earmuffs.

Many marine steam boiler designs incorporate external "downcomers". What is the main purpose of these downcomers?

To provide extra support for furnace tubes.

To increase heating surface area.

To ensure adequate circulation in all boiler operating conditions.

To provide a flow path for the steam bubbles.

What is a typical composition of LNG (Arabian Gulf)?

Methane 100%

Methane 75% - Ethane 12% - Propane 13%

Methane 80% - Ethane 15% - Propane 5%

Methane 91% - Ethane 6% - Propane 3%

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

When lowering a RoRo Cargo Side or Stern Ramp what must be ensured ?

The ramp surface must be clean

The ramp must be lowered by the duty officer only

The vessel is securely moored and there is nothing beneath the ramp

What is a low location lightning system?

A system displaying the escape route from all cabins by light points in the ceiling, powered by battery

A light system powered by battery or fluorescent signs mounted at deck level indicating the way to the nearest exit

An emergency illumination system that illuminates all deck areas to a minimum

An illumination system for all corridors in cabin areas

Before leaving the machinery spaces of a UMS vessel after routine watchkeeping rounds in the evening, the duty engineer inspects the doors to Fuel Oil Treatment rooms which are covered by a fixed fire fighting installation. For what purpose does he do this?

Remove the auto closing device so they remain in whatever position they were.

To tie them open with a rope to prevent the heat from building up inside, and making it uncomfortable to work.

To make sure that they are properly closed with the self closing device so that any fire is contained and the extinguishing medium can be released without delay.

Wedge them open with an arrangement which allows them to be closed quickly in the event of a fire.quickly.

What is the relationship between absolute and gauge pressure?

Absolute pressure = gauge pressure + barometric pressure.

Gauge pressure = barometric pressure / atmospheric pressure

Absolute pressure = gauge pressure x 0.947 barometric pressure.

Gauge pressure = absolute pressure + barometric pressure.

On a Container vessel, who is responsible for the safe lashing and securing of containers?

The chief officer

The duty officer

The cargo surveyor

The master

What medium is used to calibrate the ODME?

Fresh water.

Gasoline.

Sea water.

Crude oil.

What is the correct way that the lookout should report the appearance of a light, in clear visibility, on the port side of the ship in a direction half way between right ahead and abeam?

The lookout should state "Light on the port bow"

The lookout should state "Ship observed 45 degrees to port"

The lookout should state "Ship seen to port"

The lookout should state "Light 4 points to port"

What is the purpose of a dovetail foundation?

To secure double stacking cones

To lock adjacent containers together

To secure base twistlocks

To secure a single stacking cone

What function is this operational amplifier circuit performing?

Integrator

Differentiator

Non-inverting amplifier

Inverting amplifier

You are an assistant cook, working on a large passenger ferry. You have a boil on your left wrist, which has become infected. What must you do?

Take two paracetamol and cover the boil with a small flesh-coloured band-aid.

Don't tell anyone about it, wear a long sleeved jacket and carry on working.

Report the condition to your superior, obtain medical assistance, avoid handling foodstuffs until the skin has healed.

Wear a cotton glove on your left hand when carrying any raw or fresh foodstuffs.

Which of the following conditions could be the cause of an air conditioning system evaporator icing up?

High sea water temperature..

Too low suction pressure.

Low sea water temperature.

Too high discharge pressure.

The circuit symbol is a widely used system for converting AC voltage to DC voltage. In this case the input voltage is a sine-wave. Which of the shown diagrams is correct for the output voltage V(out.)

Figure 1

Figure 4

Figure 3

Figure 2

Which of these tasks are performed as part of the SSA?

Implement measures to address weaknesses in ship security.

Train shipboard personnel in their security duties.

Assess the likelihood and potential consequences of security incidents.

Assign security duties to ship personnel.

How is the prime mover load normally kept to a minimum when starting up an electric driven reciprocating type air compressor?

By using an unloading device to keep the compressor delivery valves open until the machine is up to speed.

By using an unloading device to keep the compressor suction valves open until the machine is up to speed.

By keeping the second stage drain valve open until the machine is up to speed.

By keeping the main discharge valve closed until the machine is up to speed.

Which publication, other than SOLAS, contains information regarding the personal safety equipment that must be carried onboard liquefied gas carriers?

MARPOL annex II

The ISPS Code

The ISM Code

The IGC Code.

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.

What effect will a low operating temperature of the boiler feed water system have on the condition of the feed water supplied to a high pressure boiler?

It will cause the amount of chlorides in the feed water to increase.

It will cause the amount of dissolved oxygen in the feed water to increase.

It will cause the amount of total dissolved solids in the feed water to increase.

It will cause the pH value of the feed water to increase.

The image shows an indicator diagram taken from a diesel engine cylinder . Which of the following options is the action most likely to identify the fault.?

Check if the fuel pump injection is too early, or fuel pump lead is too great, for that cylinder.

Check the exhaust valve.

Check that the fuel temperature and viscosity are correct.

Check if the fuel injection valve is partly blocked.

On a General Cargo Vessel cargo is be secured using turnbuckles (bottlescrews) and wires; what is the minimum number of bulldog grips that should be used to attach wires to turnbuckles ?

A minimum of three

A minimum of four

A minimum of two

One only is required

What is the purpose of a hatch cover ventilator grill on a General Cargo vessel?

To act as a strength member inside the ventilation shaft

To prevent the ventilator fans from damage

To prevent moisture from entering the hold

To prevent sparks entering the cargo hold

What is the situation of this vessel?

This vessel is not under command, but is making way through the water.

This vessel is aground.

This is a vessel constrained by her draft.

This vessel is not under command and stopped in the water.

One of the two water level gauge glasses on the high pressure boiler steam drum has started leaking quite heavily. What action, from the options given, should the boiler watch rating take?

Inform the Officer of the watch immediately so that arrangements can be made to replace the leaking glass.

Try and stop the leak by tightening up the clamping bolts as much as possible.

Place a bucket underneath the leak to catch the water to prevent the area becoming slippery.

Shut the steam and water connections to the gauge glass to minimise the loss of water and just use the other glass to check the water level.

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

1/4 of vessel's length from the stern

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

Amidships

Normally varies dependant on the speed ahead

Use Kirchoff's voltage law and Ohm's law to calculate the voltage V(2) across the resistance R(2).

0,75 V

2 V

4,5 V

6 V

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

Dunnage is extensively used when general cargo is being loaded; select from the options three main reasons for its use ?

To spread loads, to assist in ventilation and to heighten the centre of gravity of the cargo

To heighten position of stow, to allow ventilation and to provide securing points

To prevent water from entering the cargo hold, to lower Kg of cargo and to assist stevedores

To spread loads, to assist in securing and to allow good ventilation

What kinds of checks must be carried out on slings, wires and other items of lifting equipment before they are used in routine operations?

They must be tested under load, to ensure they can bear the planned weight.

They must be visually inspected to ensure that the ID and SWL marks are clearly legible.

They do not need to be checked. They are checked under the vessel's planned maintenance system every 12 months.

They must be visually inspected and ascertained, so far as is possible, as being in good working order and fit for purpose.

"Part way through a profiling interview with a supplier, the package the individual is carrying arouses your suspicion. What do you do?"

Confront the individual and demand that he open the package.

Discreetly inform someone of your suspicions so he or she can get assistance.

Call for help on the radio.

Take the package and open it.

How do container ships without hatch covers comply with the International Convention on Load line Rules?

An International Load Line Exemption certificate will be issued in accordance to Article 6.

A special movable deck is provided to ensure watertight integrity

There will always be hatch covers on ships to comply with the International Load line Rules

This type of container ship does not need to comply with the Load line Rules

Liquefied natural gas (LNG) is often referred to as natural gas or marsh gas. What is another common name for LNG?

Propane.

Ethane.

Butane.

Methane.

The insulation resistance (IR) to earth of a new galley hot-plate is measured to be 30 Mohm. When three identical hot-plates are tested together their combined IR will be:

90 Mohm

10 Mohm

30 Mohm

3 Mohm

What do you understand by: Bitter end?

Bitter end means: a foul taste at the end of a meal

Bitter end means: to the very last moment

Bitter end means: the toggled end of a lifeboat painter

Bitter end means: the end link of an anchor cable that is secured within the chain locker

On a Container vessel, what is the definition of Readily Combustible Solids, under the IMDG Code?

A substance that will heat up and ignite due to the ignition of another substance

Fibres, powdered, granular, or pasty substances that are capable of self-heating

Fibres, powdered, granular, or pasty substances which are dangerous if easily ignited by brief contact with an ignition source and if the flame spreads rapidly

Any solid that is capable of self-ignition

Training is required when new equipment is installed on board the ship. What kind of training should be provided and for whom?

Every crewmember is responsible for their own training. Safety Officer should be contacted if any questions.

Theoretical and practical training should be provided for all personell involved in operation of the new equipment

No training is required for experienced seafarers

Theoretical and practical training should be provided for the head of department. Operation Manual for shall be available in crew mess room so that personnel involved in operation of the equipment can familiarise themselves with the new equipment.

During tank washing operations on an oil tanker, it is a requirement that the atmosphere within the tank is maintained with an oxygen content of not more than 8% by volume, but which of the following conditions is also a requirement?

That a positive pressure is maintained

That the atmosphere within the tank is maintained at atmospheric pressure, ie open to atmosphere

That a minimum of 2.4 bar inert gas inlet pressure is maintained

That a negative pressure is maintained

Check the items that can be a possible threat

All alternatives

"Piracy, Hijacking and Smuggling"

Bombing and Sabotage

Cargo tampering and Stowaways

There are a number of liquefied gases transported by sea. What is the most common component of these liquefied gases?

A mixture of natural gas liquids (NGLs).

A mixture of chlorine and ammonia.

A mixture of hydrocarbon gases.

A mixture of non-hydrocarbon chemical gases.

A consequence of operating a centrifugal pump with the discharge valve closed would be:

Relief valve will open

Pump will overheat

Motor will overheat

Motor overload will open

By what formula is the displacement calculated? W = Displacement; L = length; B = Breadth; D = depth of vessel; Cb = Block Coefficient; Cw = Coefficient of waterplane; RD = relative density;

W = L x B x d x Cb

W = L x B x d x Cw

W = L x B x d x RD

W = L x B x d x RD / Cb

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

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

What is this?

A hydrostatic release unit

A liferaft release unit

A slip hook

An antistatic release unit

Which of these measures would you implement to prevent drugs from being smuggled onboard your ship while it’s berthed?

"Search some of the packages, spares and stores received."

Maintain restricted areas.

Check a portion of the bags and packages brought onboard.

Eliminate fore and aft deck watch at night.

When maintenance work is to be carried out on an electric motor driving a centrifugal water pump with automatic start, should you;

Ascertain from the senior watchkeeper if it is okay to start work, isolate the valves then commence work.

Set in local control, isolate the suction and delivery valves then commence work.

Isolate the suction and delivery valves then inform the electrician that you are starting work.

In conjunction with the senior watchkeeper and electrician, isolate valves, electrical supply, automatics and post 'Do not operate' signs before commencing work.

Which of the function shown is this operational amplifier circuit performing?

Differentiator

Inverting amplifier

Integrator

Non-inverting amplifier

What is name of the machine shown, used to heave on the ropes during mooring and unmooring?

Winch

Crane

Windlass

Capstan

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?

To allow the stevedores at the loading port to complete operations quickly.

To allow a quick start to cargo discharge without damaging any of the cargo.

So that the stevedores at the discharge port know which pallets to unload first.

To allow a tight stow at the completion of loading in the hatch square.

Which kind of cargo pumps are the most commonly used in cargo systems for gas carriers?

Hydraulic driven screw pumps.

Hydraulic driven submerged pumps.

Submerged electric motor pumps.

Electric driven screw pumps.

Training is required when new equipment is installed on board the ship. What kind of training should be provided and for whom?

Every crewmember is responsible for their own training. Safety Officer should be contacted if any questions.

No training is required for experienced seafarers

Theoretical and practical training should be provided for all personell involved in operation of the new equipment

On most ro-ro passenger ships there is no requirement to carry out drills with the passengers. What is the most effective ways of informing embarking passengers about the emergency procedures?

Information on boarding cards, public announcement on departure, posters in public areas and cabins, safety video running continuously

Posters in public areas and cabins, safety video running continuously

Information from the crew

Safety video and folders in tax free shops

A positive displacement type flow meter is defective and cannot be repaired. It is to be replaced with a new instrument which uses a Venturi type sensor. Which of the pneumatic relays given in the options will be required in order for this type of instrument to function correctly?

Multiplier relay.

Summation relay.

Square root extractor relay.

Subtraction relay.

What section of the Crew Agreement contains the “Contractual clauses”?

The ship's register

The inside page

ALC 6

ALC 1b

You enter a high voltage switchroom and smell rotten eggs. What may this indicate?

Problems with a vacuum circuit breaker

Arcing at badly coupled bus bars

Problems with a gas (SF6) circuit breaker

Burning of insulation

A thermistor which provides feedback for a thermal control system is suspected to have failed. Assuming there is no available replacement, which of the following methods may be used to prove it has failed?

Connect a mV source in parallel with the thermocouple connections.

Connect a mA source in parallel with the thermocouple connections.

Disconnect the thermocouple lead from the conttroller and replace with a mA source.

Disconnect the thermocouple lead from the controller and replace with a mV source.

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?

Synthesis.

Cavitation.

Aggregation.

Gravitation.

On a RoRo vessel, what is the Maximum Securing Load of single use wire ropes?

65% of the breaking strength

80% of the breaking strength

75% of the breaking strength

Records relating to breaches of security and changes in security level must be secured against unauthorized access and available for review by contracting governments.

TRUE

FALSE

Compressed air for instrument and control purposes needs to be of high quality. In order to condition the air filter modules are usually fitted to remove the contaminants. If there is evidence of oil carry over to the final elements in the instrumentation air system what is the most likely cause?

The coalescer module is saturated and requires renewal.

The drier section of the module needs to be regenerated.

The air compressor piston rings need to be renewed.

The particle removal module is choked.

What does a "compactor" do?

It compresses and forms raw meat into burgers, patties and other pre-formed shapes prior to packing and freezing.

It disposes of waste material through high-temperature combustion.

It crushes and compresses garbage, such as food packaging, into a more manageable shape and form prior to disposal.

It crushes and grinds food waste into small particles that can be washed overboard as "grey water".

Where will you normally find the ship's documents including Crew Passports and CDC on board a vessel?

On the bridge

Ship's Office

Telly clerk room

Master's cabin

Why should only one set of ballast tanks be filled at any one time on a Bulk Carrier?

To ensure that bending moments do not become excessive

To prevent excessive lists developing

To ensure that free surfaces in ballast tanks do not become excessive during the ballasting operation

To keep the vessel trimmed by the stern

What factors do you consider as important before mooring a vessel?

Use of proper Personal Protective Equipment, Mooring stations should have effective hazard markings/ hazard highlighting, Stay clear of mooring ropes/wires, Be aware of Snap-back Zone, Proper procedures

Use of proper Personal Protective Equipment

Use of proper Personal Protective Equipment and be aware of Snap-back Zone

Use of proper Personal Protective Equipment, Well maintained mooring equipment, Make sure the area is tidy and clean, Mooring stations should have effective hazard markings/ hazard highlighting, Stay clear of mooring ropes/wires, Be aware of Snap-back Zone, Proper procedures, Effective communication

What do we mean to gas free a cargo tank?

To gas free a cargo tank means that we remove flammable-, neutral- or toxic atmosphere from the cargo tank

That means that we are discharging the cargo tank

To gas free a cargo tank means that we remove gas from the cargo tank

To gas free a cargo tank means that we are pumping liquid into the tank

What type of component does this graphical symbol illustrate?

Pressure-reducing regulator.

Pressure relief valve

Flow controller

Pressure switch

What is the purpose of Material Safety Data Sheets?

To provide all personnel including emergency personnel with procedures for handling or working with that substance in a safe manner

To provide personnel in deck- and engine department with procedures for handling or working with that substance in a safe manner

To provide the safety officer with procedures for handling or working with that substance in a safe manner

To determine if the substance is flammable or not

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

Which of the following statements is correct when discussing warm clothing and passengers?

After being mustered, passengers will return to their cabins for warm clothing.

The crew will pass out warm clothing for passengers.

Warm clothing will protect passengers from drowning.

Warm clothing will protect passengers from hypothermia.

Which of the below structures of bulk carriers are considered critical?

Forecastle deck

Upper and lower connection of main side frames

Longitudinal deck plating outside hatches

The girders

Achieving a good air flow through the various cargo compartment of a reefer vessel is a principal design aim of a Naval Architect. Which of the options given represents the optimum cargo space shape?

A flared space that would be found in a forward upper deck.

A narrow tapered space as would be found in a forward lower deck.

A long oblong space as would be found in an after upper deck.

A square space as would be found in a midships lower deck.

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

Relative humidity in the hold.

Carriage temperature.

Gas content in the hold atmosphere.

Commodity condition.

How often should boiler water tests be carried out on a steam boiler?

Every hour.

Every day.

Every fortnight.

Every week.

Which of the following answers most suitably cover the standard duties of the bridge Officer of the Watch when the ship is at anchorage?

Display the anchor signal, patrol the ship frequently and check the anchor chain for dragging

Display anchor signal, check the ships position and keep a good lookout

Display the anchor signal and ensure the ship swings the same way at each change of tide

Display anchor signals and keep a good lookout of other ships in the area

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