Головна Онлайн-тести CES Dry cargo MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Dry cargo vessel

Онлайн-тестування: Test online CES 5.1 for MASTER / Ch-Officer, Dry cargo vessel

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Тест складається із випадкових питань з обраної теми.

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In which ways is heat transmitted?

Delay, conduction, radiation

Conduction, convection and radiation

Gasification, conduction and convection

Radiation and gasification

A detector that is activated by a rise of temperature is:

a detector of radiation

an optic detector

a smoke detector

a thermic detector

*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

On an "Unattended Machinery Space" classed vessel, the high pressure fuel pipes are double pipes, or covered with steel shrouds, with drainage. What is the main purpose of this protection?

In case of a bursting pipe, to avoid oil spray hitting adjacent hot surfaces or coming into machinery air intakes

To prevent personnel from touching high temperature surfaces

To collect minor oil leakage

To protect the pipes against mechanical damage

*Which of the following statements applies to fire doors in main vertical zone bulkheads and stairway enclosures in passenger ships?

They shall be of the self closing type

They shall be capable of closing with an angle of up to 3, 5° opposing closure

They shall be capable of being closed from a control station

All the mentioned alternatives

*What is the minimum average distribution capacity of a fixed water-spraying fire-extinguishing system fitted in an engine room ?

1litre / m2/ min

5 litres / m2/ min

20 litres / m2/ min

10 litres / m2/ min

*Generally speaking, what is the value commonly recognised as the maximum concentration of CO allowed in the breathing air of a breathing apparatus?

20ppm

80ppm

100ppm

40ppm

Under GMDSS which VHF channel is used for Digital Selective Calling (DSC)?

Ch. 13

Ch.16

Ch.70

Ch.06

Onboard the following message is received on the DSC controller: DOO: 245329000 CH16 ; S distress ack 244123000 What station sent the distress acknowledgement?

245329000

002453290

None of the given

244123000

Dish aerials are used with:

Inmarsat –C and –M

Inmarsat –B and –M

Don't know

Inmarsat - A and –C

The battery of an EPIRB:

Don't know

must be replaced before the expiry date is exceeded

load must be checked weekly

must be renewed every year

" On area A4 the function "" Transmission of ship to shore distress alerts"" is mainly based on:"

the use of HF DSC and COSPAS SARSAT Epirbs

the use of HF DSC and INMARSAT Epirbs

the use of MF DSC and INMARSAT Epirbs

the use of VHF DSC and VHF Epirbs

A Cargo Ship Equipment Certificate will be issued for :

A period not exceeding 24 months

A period not exceeding 48 months

A period not exceeding 6 months

A period not exceeding 12 months

An Oil Record Book, Part 1,shall be provided to every ship of 400 tons gross tonnage and above to record machinery space operations.Out of below mentioned operations, it is compulsory to record:

Purification of HFO.

Discharge of water from Aft, Peak Tank.

Bunkering of bulk lubricating oil.

Transfer of oil from settling - to daytank.

What does STCW deal with?

STCW deals with recommendation for training centre and schools and type of education for seafarers

STCW deals with minimum recommendation of education for seafarers and minimum standards for training centre and schools

STCW deals with training centre and schools and standards for watch keepers

STCW deals with minimum recommendation for training centre and schools

Which of the following fire-fighting equipment is the most efficient and has the least side effects in case of a large fire in an engine room?

Powder extinguishing system

Central gas extinguishing system and/or waterfog

Sprinkler system

Central foam extinguishing system

You are to release the towing wire with forerunner. You have 3 men with you to do the work. How would you safely carry this out?

With manpower. Two men picking up slack and one man lifts off the eye and let go simultaneously

Use the winch. Forerunner and wire stopper to pick up the slack and stop the wire. One man operating each. Make the forerunner fast on the bit, releasing the eye of wire and the stopper, lower the wire easy by forerunner

Use the winch and forerunner to pick up slack. One man to release the eye, lowering the wire down by use of winch

After heaving on the wire by a forerunner, cut the forerunner and so let the wire free

If you are required to splice an eye on a mooring wire (using the recommended 5 full tucks and 2 half tucks) the effective breaking strength of the wire will now be affected by the splice, and you would expect:

A reduction in strength of 30 % to 40 %.

A reduction in strength of 1% to 5%.

A reduction in strength of 10 % to 15 %.

No reduction in strength.

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

A ship is being overtaken by another ship while proceeding along a river. What should be the required procedure?

The overtaking vessel can overtake but must allow sufficient space to reduce the interaction between the two vessels

The overtaking vessel should request permission from the other ship by sounding two prolonged blasts followed by two short blasts on the whistle or by direct VHF contact.

There should be no overtaking in these confined waters

The overtaking vessel should request permission to overtake from the Port Control VTS

The rudder is hard over when steaming at full ahead in shallow water. How much "lift force" remains when the engine is stopped?

About 10 %

About 50 %

There will be lift force remaining

About 80 %

Your vessel is moving in Panama Canal waters. When must the master be on the bridge?

When entering or leaving a lock, passing through Gaillard cut, berthing & unberthing, anchoring or heaving anchor.

When entering or leaving a lock only.

At all times.

When his qualified representative is present.

What system promises to bring major improvements to maritime Safety and Communications?

GMDSS

INMARSAT A & B

COSPAS - SARSAT.

MERSAR

On which frequency a ship must maintain a continuous watch when sailing in area A2?

2182 kHz

8414.5 kHz

2187,5 kHz

4207.5 kHz

According to the rule of GMDSS, channel 70 is used for:

distress and urgency traffic

distress traffic

alerting

Don't know

On board reflections in the ionosphere can be used determine i.a.:

a frequency

the power transmitted

Don't know

the class of transmission

The effect of the reflection of radio waves in the ionosphere on the transmission range also depends on:

the height of the layers of ionisation

the chosen mode of transmission

Don't know

simplex or duplex operation

Which class of emission is used for HF radio telephony transmissions ?

G3E

G2B

F1B

J3E

Define the class of emission J3E :

Radiotelex and DSC - Phase modulation

Radiotelephony - Single sideband full carrier

Radiotelephony - Single sideband suppressed carrier

Radiotelex and DSC - Frequency shift keying of carrier with error correction

Which of the following services is not provided by INMARSAT C:

Telephone

Fleetnet

Safetynet

Telex

*Which of the following duties shall be included in the "muster list" as being assigned to members of the crew ?

operation of the vessel-s propulsion system

preparation of immersion suits for the ship-s passengers

preparation and launching of the survival craft

preparation of manoeuvres intended to ease launching of the survival craft

What is the general emergency alarm signal as specified in SOLAS ?

one long blast

one long blast followed by seven short blasts or more

three short blasts followed by three long blasts then three short ones

seven or more short blasts followed by one long blast

Which one of the listed items has to be included in a distress message?

Last port of call.

Destination.

Weather in immediate vincinity.

Identification of the ship.

Give the meaning of the following symbol:

lifejacket

child's lifejacket

immersion suit

survival kit

Which item among those below is included in the normal equipment of every lifeboat ?

one life-jacket for each person

sea-charts and navigating equipment

an EPIRB

watertight receptacles containing 3l of fresh water for each person (may be partially replaced by a desalting apparatus)

Which item among those below is included in the normal equipment of every lifeboat ?

sea-charts and navigating equipment

an EPIRB

four rocket parachute flares

one life-jacket for each person

If conditions permit, which is the best way to board a liferaft which is floating close to the ship?

Use a rope ladder close to the raft to climb down and board

Jump into the water close to the raft, without a lifejacket, as this will make it easier to swim and board the liferaft

Jump onto the raft itself

Wearing a lifejacket, jump into the water close to the raft and then swim to it

A section of seawater pipe has been removed for maintenance. When refittingthe pipe after completing the work the bolt holes in the flanges are found to be misaligned. What procedure should be followed to finish the work?

Use wooden wedges to force and hold the pipe into the correct position and then fit the bolts.

Use a chain block to pull the pipe flanges into alignment and leave it in place after the bolts are fitted to avoid overstressing the bolts.

Adjacent pipework should be slackened off to allow the pipe to be aligned. Any incorrectly positioned brackets should be adjusted after the pipe is refitted.

Force the pipe into position and then hammer the bolts into the holes to hold the pipe flanges into alignment.

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.

One water fog applicator is required for each pair of breathing apparatus on board which type of ship?

Passenger ships fitted with car decks

Tankers

Chemical tankers

Passenger ships carrying more than 36 passengers

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.

On a Container vessel, with regard to fire precautions, what must be ensured prior to securing hatch pontoons?

That the duty officer's permission has been obtained to secure the pontoons

That the cargo hold fire fighting system has been checked

That under-deck cargo operations have been completed

That all cargo clusters have been removed from the hold

What name is given to the independent detection and warning system aimed at preventing overfilling of a cargo tank (and ultimately overflow of cargo) on a chemical tanker?

Safe ullage maintenance panel.

Level set detector.

Overflow prevention system.

High level alarms.

What action should be taken by the Officer of the Watch when the GPS fails?

Stop ship until it is repaired and fully functional

Call the Master

Inform the technical officer responsible for the electronic navigational equipment and continue on passage using alternative navigational methods

No special action needs to be taken, just continue on the passage and wait for it to be fixed.

What precaution is to be taken when the Engineer on Duty is entering an UMS-mode operated engine room due to an alarm or due to a scheduled routine check?

Switch the UMS selector switch to manual mode and engage the "dead man alarm"

Leave the UMS selector switch in UMS-mode

Switch the UMS selector switch to manual mode only

Any of the mentioned alternatives will meet the requirements.

Cargo holds on a bulk carrier are washed after discharge, but cargo residues are often found on the tank top when hatches are opened at the load port. What could be the likely cause?

Holds were not inspected thoroughly after cleaning

Due to failure of the bilge eductors

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

Because of poor drainage into the bilges

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.

You are to load a cargo ofIsocyanate to tank 4 centre port and the cargo hose from shore is to be connected to a flange directly adjacent to the cargo pump, so that the manifold cross-over and deck cargo line are not used. What must you place underneath the connection?

A portable drip-tray.

A label stating "portable connection".

A red flag.

Some sawdust or other absorbant material.

A mixed cargo consisting of cartons of frozen meat and drums of frozen orange juice is being loaded into the same reefer space. From the options given, select the reason that best describes why the drums of orange juice must be handled carefully.

There may be contact damage to the cartons of meat from the steel drums of orange juice.

There is a risk that the meat could taint the orange juice.

There is a risk of spillage from the drums of orange juice which may taint the meat.

There may be contact damage to the steel drums of orange juice from the cartons of meat.

Under international regulations what must be frequently done during a cargo watch on a bulk carrier?

The number of stevedores working at each hatch must be recorded

The quantity of cargo loaded or discharged must be recorded

Weather conditions must be recorded

The vessel's draughts must be recorded

All passenger ships are divided into vertical ’zones’. What is the purpose of this?

Vertical zones are separated with firedoors which will be closed automatically when the firealarm start.

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

There is one fireteam in each zone

This is firezones which can be divided from eachother with firedoors. If a fire start in one zone, all firedoors in front and aft of the fire will be closed from the bridge to stop the smoke and fire from spreading.

An indicator card from a cylinder of a slow speed diesel engine shows a high maximum pressure occuring earlier in the cycle than normal with a normal compression pressure. From the options given, which action is most likely to identify the cause of the problem?

Check if the fuel injection valve is partly blocked.

Check if the fuel injection pump timing is correct.

Check if the fuel viscosity and temperature are correct.

Check if the fuel filters are blocked.

Which of the given options can be considered to be the most important physical property of a liquefied gas?

Its unsaturated vapour density.

Its saturated vapour pressure/temperature relationship.

Its latent heat.

Its molecular structure.

During inspection of a medium speed diesel engine piston of the composite type it is found that the steel crown is loose at its connection to the alloy skirt. Further inspection reveals damage to the surfaces and evidence of metal particles where the two parts are connected. Select, from the options given, the likely cause of this type of damage.

Fatigue due to excess compression at the joint between the components.

Crushing due to over tightening of the piston crown retaining bolts.

Shear of the metal surfaces due to excessive load on the engine.

Fretting due to loss of compression at the joint between the components.

Which information should be included in your search plan?

Personnel to be involved in the search.

Areas to the searched and personnel to be involved in the search.

Areas to be searched.

Known hiding spots to be searched.

Which of these factors will NOT affect the necessary time needed to settle oil on top of the water in the sloptank?

The temperature in the sloptank

The weather conditions

The quality of the Crude Oil Washing performed during the last discharging

The density of the oil in the sloptank

Following maintenance work on an air compressor the engine room rating is asked to put the tools away. It is noticed that an allen key is missing from the set. What action should be taken?

Get another one from the store to make up a full set again.

Assume it has fallen in the bilge and look for it when the bilges have been pumped.

Make a note in the log book so the other engine room staff know it is missing.

Inform the engineer in case it has been left inside the compressor when it was closed up.

What is the function of the ESD on a gas carrier?

The function of the ESD is to close loading valves, switch of power to cargo compressors and pumps

The function of the ESD is to start cargo compressors or pumps

The function of the ESD is to close loading valves, switch of power to cargo compressors

The function of the ESD is to switch of power to cargo compressors and pumps

Which of these items of container lashing equipment is prone to sudden failure?

Fully automatic twistlocks

Semi automatic twistlocks

Twistlocks

Midlocks

The exhaust gas is too dark because of:

Any of the others.

Faulty fuel injection pumps or valves

Some cylinders is overloaded

Inlet or exhaust valves are leaking

For types "A" and "B" cargo tanks, what is the requirement with regard to shut-off valves for liquid and vapour connections where cargo tanks have a MARVS less than 0.7 barg?

Double butterfly valves fitted in series.

One manually operated globe valve and one remotely operated valve.

Single shut-off valves.

Double valves.

What is the absolute maximum size for a cargo tanks on oil tankers?

Maximum 40,000 cubic metres.

Maximum 35,000 cubic metres.

Maximum 20,000 cubic metres.

Maximum 30,000 cubic metres.

You are alongisde, 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?

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.

Open the valve to 4 port line as instructed.

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.

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

What does ‘wedging’ achieve in side-rolling hatch covers?

It facilitates lowering of the panels for closing

It forces the compression bar on one panel to fit against the seal on the opposite panel

It facilitates the automatically wedging of hatch cover panels

It facilitates the automatic cleating of hatch cover panels

How is the pressure in the cargo containment system of a conventional LNG carrier controlled during normal operation?

By using the boil-off gas as fuel for the ships propulsion plant.

The gas vapour is evacuated to the atmosphere via the vent-line.

By varying the MARVS.

The gas vapour is taken from the vapour header and passed through the demister and into the LD Compressor and evacuated to the atmosphere via the vent mast.

Maintenance is to be carried out on a diesel engine. How long after stopping the engine should the cooling water and lubricating oil be kept circulating in order to avoid any undue thermal stress from residual heat?

10 minutes is sufficient.

At least 8 hours

At least one hour.

At least 24 hours.

Oil analysis results show a high level of tin. What could be the cause of this?

Water contamination.

Fuel contamination.

Bearing damage.

Too high lub.oil temperature.

A bulk cargo of Coal is to be loaded in Australia for Europe; the coal is declared as having a high moisture content (but less than the transportable moisture Limit (TML)); what must the Master ensure?

The bilges should have been sealed prior to loading

The bilges must not be pumped out

The bilges must be pumped out regularly

All cargo hold bilges are sounded daily and the amount of water logged; the bilges can then be pumped out.

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

The cargo containment system for some LNG carriers is in the form of spherical tanks. What is the IMO classification for this type of tank?

Spherical self-supporting, type "A” tanks.

Spherical non-self-supporting, type "C" tanks.

Spherical tanks with full secondary barrier.

Spherical self-supporting, type "B" tanks.

It is common practice to connect a resistor is connected over an alarm contact (see diagram) in many applications. Why is this connection used?

To stabilise power consumption.

To avoid sparks on the contacts when opening and closing.

Enable measuring the total resistance of the circuit.

To monitor the cable/wires for break.

What is normally seen as the greatest risk when operating a high pressure, water tube, steam boiler with an excessively high level of Total Dissolved Solids?

Pitting corrosion at the water level in the boiler water drum.

General corrosion of boiler tubes and fittings

Hard scale deposits on boiler tubes and fittings

Foaming and carryover of water into the steam range.

TBN - total base number from a lube oil test, indicates the:

Amount of organic acids in the oil.

Amount of contaminants in the lubricating oil.

Alkalinity of the lubricating oil.

Flash point.

A new joint is required for a sea water pipe flange and there are no ready made spares. What is the best method for making a new joint from a sheet of rubber insertion?

Use the old joint as a template to mark out the new joint on the sheet of rubber insertion and cut out the joint with scissors.

Cut a piece of rubber insertion with a hole in the middle roughly to size and fit it between the flanges. Hammer the bolts through to get the bolt holes in the correct position.

Measure the flange diameter, PCD and bore using a ruler and callipers and then use jointing scissors and hole punches to form the new joint.

Cut a piece of rubber insertion from the sheet and use a hammer to knock out the holes for the bolts and the bore against the flange.

What does the Captain think about the Chief Mate's question?

He wants the OS to train as helmsman today, because they are sailing in open waters and there is not much traffic in the area

He does not want to train the OS as helmsman because there is too much traffic in the area

He does not want the OS to go on watchkeeping duties next week because they are sailing in open waters

He thinks, it is not a bad idea to sail in open waters because the traffic in sparse

Marine steam boilers are protected with a number of safety features which are designed to prevent damage to the boiler due to overheating or overpressure. How is this protection achieved when a very low water level condition (often referred to as low low level) develops during operation?

The main and auxiliary feed control valves open fully while all burners continue to operate.

All burners are automatically and immediately shut off.

All but one of the burners is shut off with the remaining burner being reduced to minimum firing.

All burners are automatically set at minimum firing rate.

The office phone, fax, telex and after office hours telephone numbers can be found in:

Vessel health, safety and environment manual

Radio log book

The Ship's emergency contingency manual

Vessel operation manual

The lubricating oil on the exhaust side of the turbine blower gets very dirty after only a few hours in service. What can the reason be?

Worn out bearing turbine side.

Exhaust gas leaking into the oil chamber.

Wrong type of oil used.

Lubricating oil is mixed with salt water.

How does the maximum oil film pressure in a white metal journal bearing operating under full fluid film conditions compare with the pressure of the lubricating oil supply system?

The pressure is greater than the pressure in the lubricating system and varies with the journal load.

The pressure is the same as the pressure in the lubricating system regardless of the journal load.

The pressure is less than the pressure in the lubricating system and varies with the journal load.

The pressure is greater than the pressure in the lubrication and is constant regardless of the journal load..

How are the surfaces of ro-ro vehicle decks and ramps treated?

With non-slip tapes

With non-skid paints

With anti-fouling paints

With rubber-based paints

The cargo manifold working platform surface should be made of:

Chequer plate

Perforated steel sheet

Open mesh grating

Wooden laminate

What advantages does the radar have over the eye?

Subject to night adaptation

Simplifies the overview

Poor at assessing distance

Degradation through glare

What are defined as the gas dangerous areas onboard a gas vessel?

Gas dangerous areas onboard gas carriers are cargo compartments and cargo piping

Gas dangerous areas onboard gas carriers are cargo compartments and cargo piping, hold spaces and other spaces where cargo pipes are located

Gas dangerous areas onboard gas carriers are cargo compartments and cargo piping, hold spaces and other spaces where cargo pipes are located, compressor and pump room, open deck over cargo area

Gas dangerous areas onboard gas carriers are cargo compartments, cargo piping and bunker tanks with pipes

LNG carriers often operate between two fixed ports. Why is there likely to be a significant difference in the amount of LNG onboard arriving at the discharge port compared to the amount onboard departing the loading port?

Part of the cargo is used as ship's fuel in the form of boil off gas.

Inefficient reliquefaction plant operation means only some of the vapours are recovered.

Normal leakage through the cargo containment system leads to loss of cargo.

The vapours are constantly vented to atmosphere.

Which of the following insulation materials that are used onboard gas carriers has the highest diffusion resistance?

Mineral wool.

Polyurethane foam.

Perlite.

Air.

A refrigeration plant is short cycling even though there is plenty of refrigerant in the system and all of the rooms are above temperature. From the options give select the one which is the most likely cause of the problem?

Low oil level in the sump causing the automatic low oil pressure cut out to operate.

Blocked filter drier causing the automatic low pressure cut out to operate.

Insufficient cooling water flow through the condenser causing the automatic high pressure cut out to operate.

Ice formation in the meat room evaporator coil causing the automatic low pressure cut out to operate.

How should dunnage be laid, prior to loading a Caterpillar Tractor?

Only at the extreme ends of the tractor’s wheels

Athwartship under the tractor’s wheels

Athwartship at the ends of the tractor’s wheels

Fore and aft under the tractor’s wheels

If you have to carry out hot work close to a smoke detector in the engine room, what precautions should be taken?

Notify Master, Deck officer and engineer in charge.The loop for the smoke detector to be switched off and take normal precautions for hot work.

Notify deck officer in charge that a fire alarm may occur.

No special precautions except for having a watch man and a fire extinguisher available.

Disconnect or cover up the smoke detector.

What is the function of a lashing plate?

A means of securing turnbuckles

A means of securing butteresses under-deck

A means of securing lashing chains

A means of securing the hatch covers

On board they want to make a DSC-call with a foreign coast-station. It is an urgent call. Preferably choose:

Don't know

The international DSC-call frequency

The national DSC-call frequencies of the coast-station concerned

The international DSC-distress frequencies

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