Главная Онлайн-тесты CES Chemical tanker MASTER / Ch-Officer Онлайн-тест CES 5.1 для MASTER / Ch-Officer, Chemical tanker vessel

Онлайн-тестирование: Онлайн-тест CES 5.1 для MASTER / Ch-Officer, Chemical tanker vessel

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Тест состоит из случайных вопросов по выбранной теме.

Вопрос 1 из 90

*The weak link of a float-free arrangement for liferafts must break under a strain of:

9,7 kN ± 0,4 kN

4,2 kN ± 0,4 kN

0,7 kN ± 0,4 kN

2,2 kN ± 0,4 kN

*Which of the following instructions will generally be given by a port authority to allow welding or hot work in a tank having contained flammable liquids ?

When the tank has been satisfactory cleaned there shall be a 12 hour quarantine

If the mechanical ventilation is stopped, the tank shall be left within 5 minutes

All answers are good

During work in tanks, the gas concentration shall be checked every second hour

Which deck is the "bulkhead deck"?

A deck between two transverse bulkheads

A deck which transverse bulkheads go through

The uppermost deck to which transverse bulkheads are carried

The deck on which the transverse bulkheads are resting

*As far as human factor is concerned, which of the following actions should be considered as an efficient one?

To establish inner rules to perform works of a special risk

To train the fire brigade

To equip them with better communication systems

All the answers are good

*How long does it take for a fixed low expansion foam fire-extinguishing system of an engine room to discharge a 15 cm thick layer of foam on the largest single area over which oil fuel is liable to spread?

Less than 10 min

you cannot find such a system in the engine room

Less than 2 min

Less than 5 min

Instructions for "Preparation for welding or hot work in cargo tanks" is laid down by the Norwegian Maritime Directorate. During ongoing inspection on work in cargo tanks, the gas concentration shall be checked:

Every fourth hour.

Every second hour.

Every hour.

Every 30 minutes.

The letter ‘X’ in the answer-back 36572 LIBK X means:

This vessel has more telex-numbers

This concerns a mobile station

The position of the vessel is not known

Don't know

With an Inmarsat-C installation there is the addressing-option “special”. Via this option:

you can send a message by express delivery

Don't know

give one of Inmarsat’s “special accesscodes”

you can deliver a message via a special telegram

The printer of a DSC-controller gives the message:(see original) This DSC message was received via:

Don't know

the listen watch receiver

the DSC-watch receiver

channel 16 of VHF, coupled to a DSC-controller

Which of the following two digits codes is used to obtain medical advice ?

What is false regarding the function :” Transmission and reception of signals for locating ”

On area A2 this function is based on the use of SART transponders

On all areas this function is based on the use of S band radars

On area A3 and A4 this function is based on the use of SARSAT COSPAS Epirb

On area A1 this function is based on the use of SART transponders

Which means of communication is used by the NAVTEX system ?

E mail

VHF

satellite

What is false regarding the function :”Transmission of ship to shore distress alerts”

On all areas this function is based on the use of SARSAT COSPAS Epirb

On area A1 this function is based on the use of SART transponders

On area A1 this function is based on the use of VHF DSC

On area A2 this function is based on the use of MF DSC

Command of radio-traffic between vessels and coast-stations lies:

With the station that calls

Always with the coast station

With coast guard

Wth the station called

You are on a 10.000 ton Chemical Tanker that in addition to fixed foam monitors, is equipped with portable foam applicators. One of the applicators is lost. When ordering a new one you would order one with:

A throughput of at least 400 litters a minute and a "throw" of 15 metres?

A throughput of at least 20 litters a minute and a "throw" of 5 metres?

A throughput of at least 250 litters a minute and a "throw" of 12 metres?

A throughput of at least 100 litters a minute and a "throw" of 10 metres?

When commence discharging from two tanks loaded 99% through same shore line, what should the procedure be ?

Start half speed in order to avoid overflow. When the level is below 98% the tank overfill alarm must be reset.

Start slowly and closely monitor to ensure that discharging is actually taking place in order to avoid overflow. When the level is below 95% the tank high-level alarm must be reset.

Start slowly and closely monitor to ensure that discharging is actually taking place in order to avoid overflow. When the level is below 95% the tank overfill alarm must be reset.

Start slowly and closely monitor to ensure that discharging is actually taking place in order to avoid overflow. When the level is below 98% the tank overfill alarm must be reset.

If you discover alcohol and drug abuse onboard, Whom do you report to?

The master.

Port authorities.

The manager.

Flag state authorities.

Chemical burns in eyes or on the skin can cause severe damage. Some chemicals may be absorbed through the skin and cause widespread and sometimes fatal damage within the body. What is the first main treatment if someone is a victim of chemical burns?

Break possible blisters around the eye and mouth.

Apply lotions, ointments to the affected area ASAP.

The casualty may be free to both rub the eye and the affected area.

Remove any contaminated clothing and flood the affected area with slowly running water. Make sure that the contaminated water drains away freely and safely.

What is the correct understanding of the term "Bending moments" when applied to ships?

The longitudinal Bending Moments are the forces between empty and full compartments causing the ship to bend and change shape

The Bending Moments of a ship are the forces acting on the ship causing it to hog and sag.

All of the suggested answers

The longitudinal Bending Moment at any section within the ship is the total moments tending to alter the longitudinal shape of the ship

Which method is used to make a physical connection between a rescue vessel and a wreck?

Sputnik line

Cosmos line

Heaving line

Rocket line

What is the most dangerous overtaking situation shown on the sketches?

A large vessel overtaking a small vessel with a big difference in speed between the two vessels.

A small vessel overtaking a large vessel with a big difference in speed between the two vessels.

A small vessel overtaking a large vessel with little difference in speed between the two vessels.

A large vessel overtaking a small vessel with little difference in speed between the two vessels.

If you are called upon to reeve a new wire onto a selfstowing winch drum you would, after looking at brake arrangement, reeve it to pay out as follows:

Direction B.

Direction A.

Doesn-t matter which direction.

Depends on the lay of the wire strands.

VHF channel 6 is:

Intra-ship channel

Don't know

Public traffic channel

Inter-ship channel

Which of the following duties shall be included in the "muster list" as being assigned to crewmembers in relation to passengers ?

clearing the escape routes

ensuring that every passenger is provided with an immersion suit or a thermal protective aid

warning the passenger

ensuring that extra food and water is taken to the survival craft

Give the meaning of this symbol:

lifebuoy with line and smoke

lifebuoy with automatic sound signal

Llebuoy with light and smoke

lifebuoy with light and hand flare

*In a distress situation and immediately after the distress signal has been sounded, what next action should be taken by the officer on duty ?

send distress signal to call for help

use the VHF radio telephone to ask ships in the vicinity to stand by

use the intercom to inform crew and passengers of the reason for the alarm

call the nearest coast radio station

The breaking strength of the painter in a liferaft permitted to accommodate 15 persons is at least:

7,5 kN

10 kN

5 kN

2,5 kN

A person wearing an anti-exposure suit shall be able to:

don and remove the suit in the water in no more than 5min. if it impairs ability to swim

dive into the water to the maximum draft of craft that the ship is provided with

jump from a height equal to that of the stowage of liferafts arranged to be thrown overboard

jump from a height of not less than 4.5m into the water without damaging the suit or being injured

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

one searchlight which can work continuously for not less than 3 hours

two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline

one boat-hook

two buoyant smoke signals

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

a VHF transceiver

a searchlight which can work continuously for not less than 3hours

one immersion suit for each person

sea-charts and navigating equipment

*Give the meaning of the following symbol

Secure lifeboat hatches

Rescue boat with waterproof canopy

Lifeboat with waterproof canopy

Start water-spray

*Give the meaning of the following symbol

Start engine

Reverse engine

Indicates manual starting direction of the engine

Start air supply

*When reasonable and practicable, how often shall rescue boats be launched with their assigned crew aboard and manoeuvred in the water?

Every six months

Every two weeks

Every week

Every month

*Which of following items shall be included in an abandon ship drill?

Checking passenger's immersion suits

Checking the distress signal rockets and other distress signals

instruction in the use of radio life-saving appliances

Checking the lifeboat provisions and supplies

The training manual shall contain instructions and information in easily understood terms and illustrated wherever possible. Which of the following objects do not have to be explained in detail in the manual according to present regulations?

Method and use of devices for protection in launching areas

Method of launching from inside survival craft

Release from launching applications

Use of breathing apparatus

What is the main advantage of having a central cooling system fitted on board ship?

It should require less maintenance than a conventional system using only sea water.

It does not require any seawater.

It is a simple system with minimum control requirements.

Only one heat exchanger is needed for all cooling duties.

The DoS addresses the responsibility for the security of the water around the ship and the verification of increased threat levels.

TRUE

FALSE

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%

What are the main elements in a damage control plan?

A damage control plan is the same as an emergency plan

Arrangements for correction of list due to flooding within 15 minutes

Boundaries of the watertight compartments for decks and holds. Position of controls for opening and closing of watertight compartments. Arrangement for correction of list due to flooding.

Instructions and procedures for reporting damage to the Company

Strawberries are a sensitive cargo with a relatively short carriage life and can only be carried on short sea passages. They are often irradiated for transport. Select the true statement from the options given relating to the effect of irradiation.

A cargo of irradiated strawberries must be stowed well away from the crew accommodation to reduce the possible effects of cobalt 60 radiation.

The main effect of irradiating strawberries prior to transport is that it kills off any bacteria on the fruit.

The main effect of irradiating strawberries prior to transport is that it improves the colour of the fruit.

The main effect of irradiating strawberries prior to transport is that it kills any flies on the fruit.

What would a cracked cross-deck plating found during a loaded passage on a bulk carrier indicate?

That bulkhead failure is imminent

That the vessel is due for survey

That shear forces have been exceeded

That failure of the shell plating is imminent

What are the main components causing the magnetic compass to require a regular evaluation and compass correction?

The change in the position of the magnetic pole causing annual changes in the variation

Permanent and induced magnetism in the ships structure

The continual changes of courses steered by the ship

Deviation and Variation

What is the time limit for abandonment of passenger ships?

There is no time limit

30 minutes from the time the abandon ship signal is given

2 hours from the time the abandon ship signal is given

15 minutes from the time the abandon ship signal is given

Most search patterns consists of:

Vertical tracks

Parallel track covering a rectangular area

Horizontal tracks

Vertical and horizontal tracks

A conventional reefer vessel is fitted with hydraulically operated hatches in the 'tween decks. Complete the following statement from the options given. "Careful maintenance of the hydraulic system is important….

..to ensure that the lids can be opened fully and secured.

..to ensure that the hatch lids operate at the correct speed.

..to ensure that there are no oil leaks which may contaminate the cargo.

..to ensure that the planned maintenance system is up to date.

The correct time to synchronise is usually taken to be when the synchroscope reaches the "5 to 12" position and is rotating slowly clockwise. This to allow for:

Generator phase difference error

Circuit breaker operating time

Synchroscope error

Synchroscope pointer time lag

If Master finds reason to doubt whether the agent is giving the vessel's interest full and proper attention he should:

Report the matter to the harbour Master

Report to the vessel P & I club

Investigate the matter carefully and report the findings to the company

Change the agent

The Inert Gas Plant shall be capable of delivering inert gas with an oxygen content of not more than?

Max. 5% oxygen

Max. 8% oxygen

Max. 10.8% oxygen

Max. 2% oxygen

In which of these circumstances can your ship request a DoS?

There is a heightened security risk for your ship and a port facility.

Your ship is conducting activities with a port or ship that is not required to implement an approved security plan.

Your ship is operating at a lower security level than the ship or port it is interfacing with.

Your ship has added a new port to its list of ports of call.

Many large 2 stroke marine diesel engines are equipped with an auxiliary scavenge air blower. What is the purpose of this equipment?

To provide combustion air at start up, during manouevring and low load running when the turbocharger delivery is insufficient.

To assist the main turbochargers in supplying combustion air when on full load.

To help cool the engine after it has been stopped.

To allow full load running when the main turbocharger is defective..

A cargo of steel swarf and borings (waste steel material from industrial processes) carried on a Bulk Carrier, is particularly liable to what?

Cargo sweat and reduced c carbon dioxide levels

A rise in methane gas levels

Production of carbon monoxide and oxygen

Oxygen depletion in the cargo space and self-heating of the cargo

Who is responsible for the regular security inspections of the ship?

The Company Security Officer

The Classification Society.

The Ship Security Officer

The Port Facility Security Officer

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

Continuity testing of a delta connected three phase induction motor yields the following results; U-V =3 ohms, V-W =3 ohms, W-U =6 ohms.Which of the following is the likely condition?

Short circuit winding between W and U

Open circuit winding between W and U

Short circuit between V and Earth

Partial fault between W and U

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

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.

When is it necessary to seal a CO2 injection line into the designated ballast hold?

When testing the CO2 system

Prior to ballasting the hold

When carrying non-inflammable cargoes

When handling cargoes that emit dust

Which of the given options is the SIGTTO definition of the term 'span gas'?

A vapour sample of known composition and concentration used to calibrate gas detection equipment.

A gas, such as nitrogen, or a mixture of non-flammable gases.

Vapour removed from contact with its liquid and heated beyond its boiling temperature.

A phenomenon generated in a pipeline system when there is a change in the rate of flow of liquid in the line.

What kind of fixed extinguishing plant is installed to use on an oil tanker’s engine room and pump room?

Powder plant.

CO2 plant.

Foam plant.

Water spray plant.

What does the term liquefaction mean with respect to some heavy metal concentrate cargoes on a Bulk Carrier?

The cargo is very dry and will not reach a flow state

The cargo may suffer moisture migration and become semi-liquid near the top of the stow

The cargo may self-heat on voyage

The cargo pile will always be stable

What precaution should be taken when painting on car decks during cargo operations?

There must be an established means of communication between crew members and the duty officer

Spray paint guns must not be used

Cargo hold fan inlets must be closed near the paint area

Permission must be obtained from the harbour authority

What is a "colander" used for?

To drain the water off food.

To stir foods during cooking.

To hold different foods together during barbequeing.

To test the temperature of food during cooking.

On routine daily inspection you notice that there is a light arcing between an alternator's carbon brushes and rotor sliprings, with alternator operating at 70% load. Should you:

Check the surface of the sliprings, polish if necessary and bed in the brushes

Clean up and increase the tension on the brushes

Move the position of the brushes around the sliprings to find the correct neutral position

Reverse the polarity of the excitation voltage at the brush holder connection

The engine room rating has been assisting with ballast operations during a period of engine room watch duty. Ballast operations have stopped for a couple of hours while stores are being taken. What action should the rating take during this break in operations?

Just keep the pumps running and the valves for the ballast tanks open to save time when operations are restarted. The tanks will just overflow through the air vents.

Stop all of the ballast pumps and close all of the ballast valves as soon as operations are stopped. Ballast lines should always be closed except when they are being used.

Just stop the pumps and close the pump suction and discharge valves. Leave the valves for the ballast tanks open to save time later.

Shut the valves for the ballast tanks but keep the pumps running and discharging overboard to save time later.

Some engine manufacturers recommend that washing of the compressor side is not carried out. Is this due to;

The thermal shock exhibited by the vanes.

The nozzle ring becoming corroded.

Greasy sludge from the compressor sticking between the fins in the air coolers, necessitating extra cleaning of these.

Large volumes of water being carried over into the cylinders of the engine.

What is a "bouquet garni"?

A type of cocktail.

A bunch or sachet of herbs used to add flavour during cooking.

A bunch of flowers to add a pleasant smell to the galley.

A French dressing, added to meat after serving.

If a fuel oil cargo is treated with an anti-static additive, how does this affect its conductivity characteristics?

It becomes an accumulator of static charge.

It becomes mildly magnetic for a time.

Its relaxation time after loading is extended.

It becomes a non-accumulator of static charge.

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

Why do Bending Moment (BM) curves sometimes differ between the loading manual and loading computer?

Because BM values in loading computers are often taken at the bulkheads whereas loading manuals calculate stresses at intermediate points as well

Due to the age of a vessel

Because BM values in loading manuals are often taken at the bulkheads whereas loading computers calculate stresses at intermediate points as well

Due to steel replacements made during the life of a vessel

After a couple of hours of operation the failure alarm sounds for a heavy fuel oil purifier which is operating on a timed automatic sludge cycle. Upon investigation the purifier is found to be running slowly and when opened up the casing and sludge outlet is heavily fouled with sludge in contact with the bowl. From the options given what is the most likely cause of this problem?

The heavy fuel is unstable leading to excessive high viscosity sludge formation.

The dirty oil throughput is excessive.

The purifier bowl has not closed properly.

The clutch for the drive shaft is worn and slipping.

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

Fuel oil

Lubricating oil

Cargo

Bunkers

When the temperature of the air increases with height it is known as a "Temperature Inversion" and may influence the performance of some instruments on the ship. What should the bridge Officer of the Watch be prepared to happen?

The GPS may give errors of position because of interference of incoming signals from the satellites

The bearings obtained from the Directional Finder (DF) will not be as accurate as normal

Abnormal ranges of VHF RT and Second Trace Returns on the radar

The radar will be show abnormal sea clutter as the pulse is trapped by the inversion.

What are the dangers associated with operating a heavy lift derrick close to the horizontal on a General Cargo vessel?

Because the cargo operations at other hatches may have to be suspended

Because the stability of the vessel may become critical

Because there is danger of excessive stresses acting on parts of the derrick system

Because the driver will have a restricted view of the lifting operation

What would you do if you saw a stevedore starting to lash a container whilst other containers were being stowed above it?

Tell him to wait until overhead containers have been stowed

Inform the stevedoring foreman

Tell him to hurry

Inform the duty officer

Which type of equipment can be used to detect explosives?

CCTV

Metal detector

Particulate detector

Water cannon

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.

On a flue gas plant, the flue gas enters a washing tower where the gas is washed to remove soot, ashes and to separate undesired gases. What is the name of this «washing tower»?

Inert gas washer.

The washing tower.

Scrubber.

Cleaning tower.

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 will you do if you are helmsman and the OOW (officer on watch) gives you the order: ”Starboard ten”

Repeat the command back and then change course 10 degrees to starboard of present course

Repeat the command back and then put the wheel over sufficiently for the ship to swing at a rate of 10 degrees per minute to starboard.

Repeat the command back and then turn the wheel to make the rudder turn 10 degrees to starboard of amidships

Repeat the command back and then allow the vessel to drift 10 degrees to starboard of original course

At what time should lashings be released?

As soon as the weather conditions are favourable, lashings can be released.

Lashings should not be released for unloading before the ship is secured at the berth, without the Master's express permission.

The crew can release lashings prior to arrival to avoid any delays.

Lashings should be released when the ship enters enclosed waters.

How many crews are required to be trained and regularly drilled in all aspects of fast rescue boats in various conditions, including righting after capsizing?

In a two stage compressor you will find pistons with different diameters (one is bigger than the other).Which one of the following statements is correct ?

The smallest diameter piston is the stage two piston

A big piston will give less oil content in the air.

A big piston will deliver dryer air into stage one.

The biggest diameter piston is the stage two piston.

What are the immediate duties of the bridge Officer of the Watch when the ship suddenly runs into a fog bank?

Commence sounding the fog signal and reduce speed to Slow Ahead

Commence sounding the fog signal and call the Master and wait for him to arrive before taking any further actions

Commence sounding the fog signal and if the radar indicates no echoes in the vicinity, proceed at the normal speed until ships are detected on the radar or until the fog lifts

Commence sounding the fog signal, engines on standby, call the Master and lookout, if not already on duty

During a walk around of a stow of refrigerated containers, one of the containers is noted to be quiet and has a red light showing on the control panel. Select, from the options given, the most likely cause of this condition.

The red light indicates that there is power to the container.

The red light indicates that an air change is in progress.

The red light indicates that there is a fault with the container's refrigeration unit.

The red light indicates that there is no power to the container.

The bottom end bolts employed in 4 stroke diesel engines are usually given a finite life and must be replaced periodically. What would be the normal failure mode that would affect these bolts if they were not replaced as required?

Failure due to torsional stresses

Failure due to bending stresses

Failure due to fatigue stresses

Failure due to tensile stresses

According to the IMO Gas Codes, what are the maximum time intervals for sampling and analysing samples from the permanent installed gas detection system?

10 minutes.

45 minutes.

30 minutes.

20 minutes.

On a Container vessel, what must be done when container lashing equipment fails at sea?

Report the matter to the equipment manufacturer's

Report the matter to the ship owner

Enter the number and type of failed equipment in the deck log book

Enter the number and type of failed equipment into the lashing equipment file on board

On a Container vessel, why should a vessel not carry left and right-handed twistlocks?

Because containers cannot be locked using both types of twistlock

Because there will be confusion as to whether or not containers are locked

Because international regulations do not permit it

Because the two types of twistlock have different strength ratings

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

Minimum one pressure relief valve.

The number of relief valves is dependent of type of gas carrier.

At least two pressure relief valves.

Minimum two pressure relief valves in addition to the MARVS.

*Which of the following fittings shall be provided to all lifeboats:

an electric power starting system for the propulsion engine with one rechargeable energy source

watertight lockers or compartments

a remotely operated steering arrangement

permanent boarding arrangements on both sides to enable persons in the water to board the lifeboat

Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.