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Питання 1 з 90

Welding and use of open flames on board tankers in operation are subject to regulation laid down by the Norwegian Maritime Directorate (Norwegian Ship Control Legislation - NSCL). Which of the listed requirements regarding washing and gas freeing before hot work in cargo tanks corresponds to these regulations? (NSCL 22/1294/7).

Gas measuring and examination in connection with cleaning and gas freeing shall be carried out by an officer.

Gas measuring and examination in connection with cleaning and gas freeing shall be carried out by the safety delegate.

All results of gas measures and examinations shall be entered in the ship's deck log.

Personnel carrying out gas measuring and examination shall have completed an approved training course later than 18. September, 1992.

*Under which circumstances should a sprinkler head of a common fixed sprinkler fire-extinguishing system be activated?

Automatically, when the temperature is within a range from 68°C to 79 °C

When the temperature is within a range from 68°C to 79°C, but after the corresponding alarm is acknowledged and assessed at the control panel

When the smoke density exceeds 12,5% obscuration per meter, but after the corresponding alarm is acknowledged and assessed at the control panel

Automatically, when the smoke density exceeds 12,5% obscuration per meter

*Which of the following requirements applies to a fixed fire detection system?

The activation of any detector must initiate a visual and audible alarm

A power supply failure will initiate a visual and audible signal that must be distinct from the fire signal

All answers are good

If a fire signal has not received attention within 2 minutes an audible alarm must be automatically sounded throughout the crew accommodation spaces

*Where a fixed fire detection system does not include means of remotely identifying each detector individually, detectors are grouped in "sections". These sections may cover up to:

5 enclosed spaces

10 enclosed spaces

25 enclosed spaces

50 enclosed spaces

We must clean the spots of oil on hot surfaces because:

They imply uncleanness

all the answers are correct

They give off vapours

They cause fires

In a fixed gas fire-extinguishing system

An audible alarm must sound when the CO2 is being released

An audible alarm must sound when half of the initial amount of CO2 has been released

An audible alarm must sound for a suitable period before the CO2 is released

All the answers are good

*Which of the following spaces may be protected by a fixed carbon dioxide (CO2) fire-extinguishing system?

Machinery spaces of category A

Cargo tanks of tankers

All the spaces mentioned

Special category spaces of passenger ships

*Which of the following spaces may be protected by a fixed high expansion foam fire-extinguishing system?

Machinery spaces of category A-

Cargo pump room of tankers

Ro-ro cargo spaces capable of being sealed, if it is deemed that it gives an equivalent protection as the one that should be achieved by a fixed CO2 system

All the spaces mentioned

*At what rate shall a fixed high-expansion foam fire-extinguishing system fill the greatest space of an engine room with foam?

10 m depth per minute

15 m depth per minute

1m depth per minute

5 m depth per minute

Halons are decomposed in toxic products when they are applied at temperatures near

500 ?C

350 ?C

1000 ?C

100 ?C

What are the three diameters of fire hoses most commonly found on ships?

10, 50 or 85 mm

25, 45, or 70 mm

17, 43 or 74 mm

50 or 100 mm

How often must a crew member participate in a fire drill?

Once every 6 months

Once every two weeks

Once every month

Once every year

To announce an important navigational –or meteorological warning via the VHF-installation, one should use the:

urgency call

safety call

distress call

Don't know

When sending an OBS (weather report) with Inmarsat one should use Service Code ‘41’. With this address the weather report will always be transmitted to:

KNMI in Holland

Don't know

The meteorological station connected with the CES used

MET office Washington, this office will take care of further dispatch of the weather reports

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.

According to basic principles regarding fire protection the ship is to be divided in zones by structural and thermal boundaries. Which? (SOLAS II-2/2.2.1)

In main zones according to utilization (Accommodation, Machinery, Cargo)

Main Fire zones in accordance with the ship's fire-fighting system

In main horizontal zones

In main vertical zones

Give the meaning of the following symbol

Primary means of escape

C class division

B class division

A class division

You are about to pass another ship in a close situation. What can happen in this situation?

Due to suction, the two ships will be sucked together

The two ships will be pushed towards the banks

The bow of your ship will be sucked towards the stern of the other ship

Your ship will not be affected in this situation

When a ship is steaming along a course line, what is the importance of determining the set and rate of drift due to wind and current?

All of the suggested answers

To appreciate the possible extent of drift and dangers in the event of engine failure

To determine the time required to reach the next alteration of course point.

To determine the correction required to the course steered to maintain the planned passage.

Sea area A4 is in maritime radio traffic a sea area:

Don't know

with the exception of sea areas A1,A2 and A3, within the range of Inmarsat-satellites, where continuous alarm is available

within VHF-radiotelephony-range of a coast station or coastguard station, where continuous DSC-alarm is available

outside the sea areas A1, A2 and A3

What is the greatest interest of the "help" position ?

It lessens the survivor's stress

It prevents the survivor's blood from collecting in the lower part of his body

It lessens the survivor's fatigue

It lessens the survivor's heat escape

The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. The training manual shall contain detailed explanations of crew duties in relation to emergency situations. Which of the following tasks or duties shall be included in the manual according to present regulations?

The method and use of sea-anchors (drogues).

The use of oars and other propulsion equipment for survival crafts.

The use of on-board communication equipment.

Correct donning of fire protective clothing.

Injuries resulting from slips and falls constitute the largest percentage of accidents that occur in the catering department. What shall be done to reduce this high accident rate?

Do not wash off all rubbish to prevent persons slipping.

Install thermostats to avoid water from freezing to ice.

Keep the floors and decks free from fat and grease.

Ensure that slippery substances are not left where several persons are expected to be around.

You are in an area of restricted visibility and hear this signal. It is repeated at two minute intervals. What does it indicate?

That there are two more vessels nearby.

That there is another vessel in the vicinity and that she has just altered course to port.

That there is another vessel nearby, that she is underway, but stopped and making no way through the water.

That there is another vessel nearby, but that she is at anchor.

Which of this information must be included in a piracy attack alert?

The type of weapons being carried by the pirates/highjackers.

The number of pirates/highjackers.

The number of crew onboard.

Your ship’s name and call sign.

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

The method of donning life-jackets, escape routes and alarm signals

Name of cabin attendant

Escape routes and alarm signals

Where to find thermal protective aids

What would be a typical oil feed temperature for purifying heavy fuel oil in a centrifuge in order to ensure good separation?

105 - 108 Celsius.

95 - 98 Celsius.

85 - 88 Celsius

75 - 78 Celsius.

Which type of temperature sensor is used in this temperature measuring system shown?

Platinum resistance sensor

Quartz sensor

Thermistor sensor

Thermocouple sensor

There has been an accident at the manifold and one of the crew has swallowed a quantity of unidentified chemical. What is the correct medical term for this?

Inhalation.

Infusion.

Absorption.

Ingestion.

How many Working Environmental committee members should be elected on a ship with a crew of 13 members?

2 members.

0members

1member

5 members.

On a Container vessel, what are the limitations of Cargo Securing Manuals?

They are not always approved by a classification society

They are drafted whilst the ship is still under construction and need to be checked against the ship's 'as completed' condition in order to be fully reliable.

Some Cargo Securing Manuals cover a full range of sister ships

Cargo securing arrangements in the manuals may be unsuitable for heavy weather conditions

What is the most likely cause of the clean oil outlet pressure being higher than normal when operating a centrifuge as a fuel oil separator?

Drive clutch slipping.

Valve in the outlet line incorrectly positioned.

Broken water seal.

High fuel oil temperature.

You have just synchronized a second alternator onto the main switchboard, and want to equally share the load between the "running" and incoming alternators. What would you do first?

Adjust voltage rheostat for the incoming alternator on the front of the switchboard

Lower the governor speed controller of the incoming alternator and increase the governor speed controller of the alternator already on the switchboard

Trip the circuit breaker of the incoming alternator and check the voltage and speed adjustments before trying again

Raise the governor speed controller of the incoming alternator and reduce the governor speed controller of the alternator already on the switchboard

What is "UNDER KEEL CLEARANCE", in the figure?

Under Keel Clearance is indicated by C, in the figure

Under Keel Clearance is indicated by A, in the figure

Under Keel Clearance is indicated by D, in the figure

Under Keel Clearance is indicated by B, in the figure

You are going to overhaul a centrifugal pump in accordance with the PMS. The pump is running under optimal conditions and normally operated. Which of the following parts are expected to deteriorate during normal operation and thereby be due for renewal?

The impeller and the impeller fastening nut.

Ball bearings on the pump shaft, and wear rings on pump housing or impeller.

The distance pieces.

The shaft itself .

Indicate the correct name for the part marked on the sketch:

Crankshaft

Turbocharger

Air cooler

Cylinder head

What is a "trailer horse" used for?

It is used to secure cargo in bad weather conditions

It is used as a fire-fighting vehicle

It is used to push lorries into their lanes

To secure and tow loose trailers

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

Which of the following statements regarding a centrifugal pump is correct?

A centrifugal pump is always self priming.

Under normal operation the fluid being pumped discharges from the center of the impeller.

A centrifugal pump is always fitted in a vertical possition.

It is important that the rotation direction is correct to avoid dry running.

Vegetable and animal oils undergo decomposition over time, generating obnoxious and toxic vapours and depleting the oxygen in the tank. What name is given to this process?

Polymerisation.

Putrefaction.

Monoxidation.

Disintegration.

Which of the following voltage levels would be regarded as high voltage likely to be found on a ship?

660kV

220V

6.6kV

690V

Why is it important to issue “Note of Protest”?

To protect the interest of owners

To protect both owners and charterers

To protect the interest of the crew

To protect the charterers

On a General Cargo ship which of the following statements is correct?

Cold rolled steel coils must never be loaded in rain

Cold rolled steel coils may be loaded in rusty condition

Cold rolled steel coils may be loaded in rain

Cold rolled steel coils are always shipped in stainless steel envelopes

Why is drying of cargo handling system necessary on refrigerated ships?

To avoid contamination of water in cargo.

To avoid high oxygen content in cargo tanks.

To avoid icing and hydrate formation in the cargo system.

To increase the dew point.

What is the maximum stowage height for containers on deck of a General Cargo Vessel, if the vessel is not specifically designed for the carriage of containers?

The maximum height is two containers

There is no limit apart from point load limitations

The maximum height is one container

Containers must not be carried on deck

What action should be taken by the watchkeeping engineer if the running machinery is operating at slightly high temperature but everything else appears ok?

It should be stopped and serviced immediately

It should be left running until the fault develops further.

It should be shutdown temporarily, allowed to cool down and then be restarted.

It should be brought to the attention of the Chief Engineer so that remedial action can be decided upon.

In discussing segregation, the IMDG Code defines what it means by the term "separated from". Which of the following is that definition?

Either in a vertical or horizontal separation: if the intervening decks are not resistant to fire and liquid, then only in a longitudinal separation is acceptable. For "on deck" stowage, this means a distance of at least 12 metres. This distance also applies to one package stowed "on deck" and another in an upper compartment.

With an intervening compartment, being both a vertical and horizontal separation. Provided an intervening deck is resistant to liquid and fire, a vertical separation of 6 metres is acceptable. For "on deck" stowage, this segregation means a distance of at least 12 metres irrespective of compartment divisions.

Effectively segregated so that the incompatible goods cannot interact dangerously in the event of an accident, but may be transported in the same compartment or hold or on deck, provided a horizontal separation, projected vertically, of 3 metres is obtained.

In different compartments or holds when stowed "under deck". Provided an intervening deck is resistent to fire and liquid, a vertical separation may be accepted as equivalent. For "on deck" stowage, this segregation means a distance of at least 6 metres.

The temperature control for the central cooling system low temperature circuit has failed and a new 3 term controller is to be fitted. Which of the given options would be the correct method of setting up the controller?

Set the derivative action first.

All three actions should be set simultaneously.

Set the proportional action first.

Set the integral action first.

Which regulations require supervising the embarkation of persons on board ro-ro vessels?

The Safety Of Life At Sea (SOLAS) Convention

International Labour Organization (ILO) standards

Standards of Training Certification and Watch-keeping (STCW) Code

The International Ship and Port Facility Security (ISPS) Code

To which of the following ratios are transverse accelerations related?

Ship’s breadth divided by LCB

Ship’s breadth divided by the maximum righting lever

Ship’s breadth divided by GM

Ship’s breadth divided by the distance between cargo units and the ship's centreline

Which cleaning agents for machinery space are important to use due to the oily water separators function?

Any kind of chemicals.

No kind of chemicals.

An emulsification agent.

A non-emulsifying agent with self splitting emulsifiers.

What is the correct range for the pH-value for the water in an oil fired steam boiler?

Below 4,5

7 - 9

4,5 - 7.

9 - 11.

What is commonly recognised as the main hazard associated with unprotected entry into an enclosed space on a tanker?

There are no significant hazards associated with entry into enclosed spaces on tankers

A potentially oxygen deficient or toxic atmosphere

Restrictions on access and mobility within the space

Lack of adequate illumination for safe movement within the space

With regard to the IMDG Code what do Calcium Oxide (UN No. 1910), Magnetized Material (UN No. 2807), Sodium Aluminate (UN No. 2812) and Battery Powered Equipment (UN No. 3171) have in common?

They are listed as Corrosive Substances - IMDG Class 8

They are not listed in the IMDG Code

Due to their characteristics they may be shipped in open top containers

They are not subject to the provisions of the IMDG Code but may be subject to provisions governing the transport of dangerous goods by other modes

Some large slow speed diesel engines have jack bolt arrangements for retaining the main bearing top keep in place rather than the more conventional stud bolts. How does this arrangement affect the maintenance and checking procedures for the tie rods on the engine?

It has no effect since the tie rods and jacking bolts have completely separate functions.

The tie rods should be fully tensioned before the jacking bolts are loaded to avoid overload of the bearing caps and frame structure.

The tie rods and jacking bolts must be tightened simultaneously to avoid excess load on either component.

The jacking bolts should be fully loaded before the tie rods are tensioned to avoid excess loads on the tie rods.

Some specialised vessels, mainly those involved in the carriage of fish, are capable of carriage temperatures as low as minus 60 degree Celsius. From the options given select the one that best describes why such low temperatures are used.

At minus 62 degrees Celsius the eutectic point is reached and all water in the cells is frozen.

Longer transport times are possible and hence less powerful vessels are required.

Higher charter rates can be achieved.

Quick temperature reduction is possible.

A steam generating tube in a boiler is found to be badly sagged but not ruptured. Select, from the options given, the most suitable action to be followed in order to operate the boiler.

Plug both ends of the tube and drill a hole in the body of the tube.

As long as the tube is not ruptured the boiler can be operated normally.

Plug both ends of the tube.

Heat the tube up with a gas torch and return it to its original shape and position.

Will it matter to the accuracy of the measurement how you install a resistance element in a thermo-well

Will only result in mechanical problems

No influence at all

Will have a minor influence on the measurement

Wrong installation will result in a major deviation in measurement

After loading certain oil cargoes, known as 'static accumulator' cargoes, it is common to wait for the cargo to stop moving within the tank and therefore reach the point at which it will cease generating any further static electricity, before taking any samples or ullages. Which of the following is the typical length of time allowed for this process

120 minutes

30 minutes

75 minutes

2 minutes

What is the normal name given to the fuel oil used for the ship's main engines?

Fuel oil

Lubricating oil

Cargo

Bunkers

Which of the following measurements will include a D/P transmitter in the control-loop

Oil mist

Smoke indication

Temperature

Pressure

The cargo tank pressure reading for a refrigerated cargo of propane is higher than the saturated vapour pressure for the cargo temperature. e.g. an absolute pressure of 1.5 bar at minus 43 degrees C. If the cargo tank had been cleaned before loading the cargo what is the likely cause of this condition?

The cargo tank insulation is damaged.

Some inert gas or nitrogen remained in the tank after gassing up.

The cargo has been loaded too quickly.

There is too much cargo vapour in the tank.

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

Who is responsible for implementation of working environment work on board?

Government.

Master.

Shipping company.

Both master and shipping company.

Witch statement about fire doors is true?

Should be kept closed at all time.

Should be kept open at all time.

When closed during an emergency, passengers may get hit and injured.

Fire doors have no specific function.

The circuit diagrams illustrate four different methods of wiring between a Pt 100 temperature sensor and its signal processing electronics. Which of the wiring methods gives the best measuring accuracy?

Figure 2

Figure 1

Figure 4

Figure 3

Bananas form the largest proportion of fruit transported by sea. There are many varieties of banana. Which of the types given in the options is the most common type of banana that is transported by sea?

Mysore

Lady finger

Silk

Cavendish

During inspection and calibration of one unit, you observe the situation shown. The conclusion is clover leafing. The main engine uses high grade TBN cylinder oil. What do you have to do in order to reduce wear?

Contact engine maker for advice.

Increase the jacket cooling water temperature to avoid the sulfur dew point

Decrease jacket cooling water temperature to avoid heat stress

Increase cylinder oil consumption to neutralize the sulfur

A cargo of hard frozen, whole tuna is being loaded on a conventional reefer vessel. Select the best method of loading the cargo from the options given.

Use a rope net.

Use a pallet board.

Use rope slings.

Packed in cartons.

The Code of Safe Practice for Cargo Stowage and Securing was prepared to give guidance in which of the following cases.

Guidance for Port State Control Officers when carrying out ship inspections.

Guidance on securing of cargoes in hazardous ocean areas.

Preparation and content of the Cargo Securing Manual.

Ship specific guidance relating to securing of deck cargoes.

These circuits are all active filters. Which of the circuits is a high-pass filter?

Figure 2

Figure 3

Figure 4

Figure 1

Temperature sensors may be marked T 802. What does this mean?

100 ohm at 20° C

20 ohm at 802° C

802 ohm at 20° C

20 ohm at 100° C

After discharge of a bulk cargo by grabs and bulldozers (bob cats), which part of the hold must be checked very carefully for damage?

Hold lighting

Access ladders

Corrugated bulkheads

Beam knees and upper hoppers

What is the correct definition of: -fair lead?

Where the mooring lines lead.

A remedy leading to fairway.

A lead to test the bottom.

A remedy to close the holds.

For what purpose is inert gas utilised on a gas tanker?

Inert gas is utilised on board gas carriers to neutralise atmosphere in hold/ interbarrier spaces

Inert gas is utilised on board gas carriers to held overpressure in cargo tanks when discharging

Inert gas is utilised on board gas carriers to neutralise atmosphere in cargo tanks, pipes and hold/ interbarrier spaces

Inert gas is utilised on board gas carriers to gas free cargo tanks

Where is a load-equalising device used?

With wind lashings

With parallel lashing rods

With single lashings

With upper and lower crossed lashings

You are alongside, port side to, about to commence loading several grades of chemicals. The Duty Officer instructs you over the walkie-talkie to proceed to the port manifold and open the valve to 4 port line. When you get there, there is no hose connected to that line. What will you do?

Open the valve to 4 port line as instructed.

Report the situation back to the Duty Officer. Request clarification and confirmation of the instruction.

Take a look at the starboard manifold. There is a hose loop between 4 port and 4 starboard lines. Assume the Duty officer must have meant this side and open 4 port line on this manifold.

Although there is no hose connected to 4 port line, there is one connected to 3 port line. Assume the Duty Officer must have meant this line and open this valve instead.

Why should engine and boiler rooms be kept clean and any oil spillage cleaned up immediately?

To avoid being fined by the port state control.

To reduce the premium to be paid to the insurance company.

To reduce risk of fire and the risk of slipping.

To prevent oil spillage from damaging deck paint coatings.

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

The MSL of the shackle and eye plate

The MSL of the wire rope and shackle

The Minimum Securing Load of either the wire rope or shackle or eye plate

The MSL of the wire rope and eye plate

Which of the following statements is the most appropriate with respect to cargo after loading on a General Cargo Vessel?

All cargo must be fully secured before the vessel sails

Cargo securing must be completed within 2 hours of commencing the voyage

Cargo need only be secured if bad weather is forecast

Cargo must be fully secured before the pilot disembarks

You are in charge of loading a crude oil cargo at a terminal which employs a Vapour Emission Control System (VECS). What should you do if the flow of gas to shore reaches the maximum declared capacity of the system?

Open the mast riser vents to relieve the excess pressure and bring the flow within the declared range.

Communicate with the terminal and request a controlled reduction in the loading rate until the flow again comes within range.

Reset the lifting pressure level on the Pressure / Vacuum valves to allow them to release more vapour to atmosphere.

Say nothing and hope nobody notices, so that loading is completed as soon as possible. .

Two reference points for pressure exist, absolute zero and atmospheric pressure. What do you call pressures measured relative to atmospheric pressure?

Absolute pressure

Gauge pressure

Atmospheric pressure

Pressure drop

What is the main reason for adding inhibitors to some liquefied gas cargoes such as ethylene oxide and vinyl chloride?

To reduce the boil-off rate of the cargo.

To prevent polymerisation of the cargo.

To control the temperature of the cargo.

To reduce the toxicity of the cargo.

In the Beaufort Scale of Wind Force, what is the Beaufort number associated with the wind force known as a "Gale"? This should not be confused with a "Near Gale" or "Strong Gale"

Ten (10)

Nine (9)

Eight (8)

Seven (7)

On an enclosed car deck, may the drivers stay in their vehicles during the voyage?

It is up to the captain to decide

Yes, of course

No, it is not allowed

It depends on what type of vehicle they have

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

What additional requirement must be observed if a cargo tank on a chemical tanker is to be cleaned by recirculation with a low flash or static accumulator product?

The tank must be inerted to less than 8% oxygen content.

All lids and other penetrations must be securely closed before recirculation is commenced.

The tank must already have been cleaned to Water White Standard to ensure no hazardous reaction with cargo residues.

The product must be allowed settling time within the tank before recirculation is commenced.

A reefer vessel, which is about to carry a palletised cargo, has to have available sufficient cargo equipment including air bags (dunnage bags), air lines and valves, cargo slings, wooden dunnage, nails, etc. These items are required to ensure a quick loading operation and a successful passage. Complete the following statement from the options given. "Air bags are particularly important in that ….

… they are quick and easy to deploy."

… they secure the pallets against movement during the passage."

… they protect the pillars and the vent trunking against damage during heavy weather."

… they reduce the movement of the pallets and prevent short circuiting of the air flow."

Why do we have to make sure that the plate pack is compressed to the right measurement A, after insertion of plates?

This is not important.

Should be compressed more every time after opening.

To avoid leakages.

To prevent serious damages to the plates.

How often shall it be conducted an abandon ship drill and fire drill onboard a passenger ship?

Weekly of it the ship are in port.

Bi-weekly (twice a month)

Weekly

Monthly

Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.