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Головна Онлайн-тести CES Passenger Deck Support Test online CES 5.1 for Deck department, Support level, Passenger vessel
Онлайн-тестування: Test online CES 5.1 for Deck department, Support level, Passenger vessel
Онлайн-тест
Опис
Тест складається із випадкових питань з обраної теми.
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Which one of the listed requirements regarding lifeboat equipment correspond to present regulations? The normal equipment of every lifeboat shall include:
Helicopter rescue equipment
Sea charts and navigation equipment
A survival manual
Oil pollution equipment
*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
A wire aerial for an MF/HF –transmitter must be suspended between isolators:
to prevent contact with earth
to make the ………way for aerial currents as long as possible
to prevent burns when touching the aerial
Don't know
When a satellite receives a “distress alert” from a Cospas-Sarsat EPIRB, the relay of the “distress alert” can be delayed because the satellite cannot immediately contact a:
LES before the satellite is actually seen by this ground station
Don't know
LUT before the satellite is actually seen by this ground station
NCS before the satellite is actually seen by this ground station
The ship has completed a 360 degree turn at full speed in deep water. The ship is now to repeat the turn at full speed in shallow water. What will be the difference in the turning circle diameter?
The turning diameter will be smaller in shallow water
The turning diameter will be the same for all depths
The turning diameter will be increased in shallow water
It will be the same provided the UKC is 25%-50%
What is the shortest distance between two points?
None of the above
Great circle
Composite great circle
Rhumb line
SOLAS regulation requires that tankers of XXX ton dwt must be equipped with an emergency towing system?
20 000 dwt
10 000 dwt
30 000 dwt
50 000 dwt
Your vessel has been in involved in a collision with an other vessel. As Master responsible for the ship and persons on board, what is the first step to take?
Organise someone to assess the extent of damage and the residual stability of the vessel.
Determine is there is any evidence of pollution.
Determine any injuries or deaths of persons on board
Communicate with the other ship.
On the figure 4 possible definitions of the term "PANAMA LEAD" are given. Which one is the correct one?
Panama lead is given by C on the figure
Panama lead is given by D on the figure
Panama lead is given by A on the figure
Panama lead is given by B on the figure
The typical current gain of a common emitter transistor is
10-200
500-5000
1-1000
1-10
Cross-flooding fittings shall be operable from:
The engine room
The section where the unsymmetrical flooding occurs
Above the bulkhead deck
The bridge
Where on board ozone depleting substances are found?
In sewage systems
In compressed air systems
In electronic equipment
In refrigerated systems
The bottom end bolts for a high speed diesel engine are checked to see if they are fit for service by measuring the free length against a standard length. During overhaul the check reveals that one out of a pair of bolts has exceeded the recommended elongation limit. From the options given select the most appropriate action to be taken.
Replace all of the bottom end bolts in the engine with new spares.
Replace the pair of bolts with new spares.
Refit the bolts as long as one of them is within the limit it should be ok.
Replace the single bolt that has exceeded the limit with a new spare.
Under U.S. Occupational Safety and Health Administration (OSHA) regulations when is a Vertical Tandem Lift possible?
When two intermodal containers one on top of the other are connected by semi-automatic twistlocks
When three intermodal containers in a stack are connected by fully-automatic twistlocks
When two intermodal containers one on top of the other are connected by fully-automatic twistlocks
When three intermodal containers in a stack are connected by semi-automatic twistlocks
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 differences in design are there between a standard cargo hold and a cargo hold which can also be used for ballast on a Bulk Carrier?
There is no differences in design
This hold does not have ventilators
The coamings are much lower on the ballast hold
The ballast hold hatch cover must be fitted with additional securing devices
Why is it necessary to check for cold spots in the hold spaces of an LNG carrier during loaded voyages?
To check the efficiency of the insulation between the cargo tank and the hull.
LNG cargo containment systems frequently leak.
Because there is not normally any temperature monitoring of the hold space.
To check for signs of leakage since the very cold carriage temperatures for LNG could result in hull structural damage in the unlikely event of a leak.
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.
On a RoRo vessel, which of the following is not required in the pre-stowage plan?
Checking communications equipment
Assigning crew duties
The operation of gas-tight and watertight doors
Stowage and securing of specialised cargoes
This circuit consists of two resistances, R1 = 6 ohm and R2 = 12 ohm , connected in series. Calculate the equivalent resistance R(S) .
R(S) =18 ohm
R(S) =1,5 ohm
R(S) = 72 ohm
R(S) = 4 ohm
Ballast introduced into a cargo tank on a chemical tanker which has been washed to such an extent that the ballast contains less than 1 ppm of the substance previously carried may be discharged into the sea without regard to the discharge rate, ship's speed and discharge outlet location, but under certain conditions. What are those conditions?
That the vessel is not less than 50 miles from the nearest land and is proceeding on route.
Provided the ship is underway and a sample of the ballast water has been drawn from the tank and is stored on board, there are no additional conditions to be imposed on such a discharge.
That the discharge is passed through the Oil Discharge Monitoring Equipment and a visual watch is maintained on the vessel's wake.
That the vessel is not less than 12 miles from the nearest land and is in water that is not less than 25 metres deep.
During inspection of a medium speed diesel engine main bearing the shell is found to have approximately 15% of the white metal overlay worn away and some light score marks on the exposed aluminium tin bearing metal. Select the most appropriate action to take from the given options?
Refit the shell as it is, this is an acceptable condition for a thin shell bearing after a period of service.
Use a scraper to remove the score marks from the bearing metal before refitting the shell.
Use a scraper to remove the remaining overlay before refitting the shell.
Discard the damaged shell and polish the journal pin before fitting a new shell.
During maintenance work in the engine room or on deck it is often necessary to work aloft (work at a height above the plates or the deck). When working aloft onboard the ship what is the most important safety precaution that should be taken?
Lash the bottom of the ladder to a fixed point.
Wear a safety helmet and goggles.
Keep all the tools required for the work in a bucket.
Wear a safety harnes securely attached to ship's structure.
What is shown in the image?
A hatch compression bar is shown in the image
A hatch cleat is shown in the image
A hatch wedge is shown in the image
A hatch locking bar is shown in the image
Why do rolled joints of meat carry a higher risk of bacterial infection?
Because rolled joints are normally purchased already prepared and the quality control of a shore supplier can not be guaranteed.
Because meat of a poorer quality is generally used in rolled joints.
Because any bacteria that were present on the outside surface of the meat will be transferred to the inside when the joint is rolled.
Because the temperature necessary to kill bacteria can never be reached in the middle of a rolled joint.
What are the responsibilities of a watch-keeping engineer?
The responsibilities of a watch-keeping engineer are to inform the Master of all events that occur duing the watch.
The responsibilities of a watch-keeping engineer are to inform the Chief Engineer of any situations that cannot be controlled during the watch
The responsibilities of a watch-keeping engineer are to by-pass, adjust and isolate all machinery under his supervision.
The responsibilities of a watch-keeping engineer are to ensure that all engine room ratings are wearing protective clothing.
What is the maximum allowed oxygen content in inert gas in accordance to IMO IGC code?
Maximum allowed Oxygen content in the inert gas on gas carriers is 7% by volume.
There are no oxygen requirement on the inert gas on gas carriers
Maximum allowed Oxygen content in the inert gas on gas carriers is 5% by volume.
Maximum allowed Oxygen content in the inert gas on gas carriers is less than 10% by volume.
What is the purpose of the air distributor in a diesel engine air start system?
To ensure the air consumption from each of the main air receivers is equally distributed.
To ensure that the automatic valve in the air start system opens and closes at the correct time.
To ensure that the start air is distributed equally to the each of the engine cylinders.
To ensure the cylinder air start valves operate in the correct sequence and for the correct period.
Most search patterns consists of:
Vertical tracks
Parallel track covering a rectangular area
Horizontal tracks
Vertical and horizontal tracks
Modern slow speed, two stroke diesel engines often have locating pins or pegs to keep the piston rings in a fixed position. Why is this arrangement used?
It ensures the rings cannot be mixed up and that they are fitted in the correct order on the piston.
It avoids the risk of the ends of the piston rings being forced out by the gas pressure and catching on the scavenge ports.
The piston ring gaps can be kept in line to control the gas pressure on each of the rings.
The piston rings are more difficult to lubricate because of the slow operating speeds and will wear more quickly if they are allowed to rotate.
What must be ensured immediately after lowering and securing the stern ramp on a RoRo vessel?
Control levers should be locked in the ‘neutral' position
Power supplies for ramp operations should be turned off
Pilot indicator lights on the bridge should be working
Control levers should be in the ‘neutral' position
A positive temperature coefficient thermistor will typically have
Variable reliability
Inaccurate measurement
Relatively linear characteristic
Relatively non linear characteristic
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
On a RoRo vessel, with regard to the characteristics of a mafi trailer, what must be ensured prior to disconnecting from the tug on board?
That after unfastening it will not move
That there is sufficient room for it to be driven away
That cargo on the trailer is not damaged
What are the characteristics of Seed Cake containing vegetable oil UN 1386 when carried in bulk?
May self-heat slowly and if wet ignite spontaneously
No specific hazards
This cargo may release carbon monoxide
This cargo is non-combustible and low fire risk
Cargo heaters are frequently used when discharging refrigerated LPG cargoes into pressurised shore tanks. What would be a typical "heating range" required from a heater for discharge of fully refrigerated propane?
From - 55 C to - 15 C.
From -25 C to +15 C.
From - 45 C to - 5 C.
From - 35 C to + 5 C.
A refrigerated container is loaded on deck. On inspection it is noted that the door seals are damaged. Select, from the options given, the main reason why it is unacceptable to have a refrigerated container in such a condition.
If the door seal is damaged the cargo packaging may become watermarked.
If the door seal is damaged the cargo may spoil due to ingress of warm air.
The refrigeration unit will run for more time than is normal.
The refrigeration unit will ice up to a greater extent than normal.
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
What are the effects of a bulk vessel loading a high density cargo resulting in a large metacentric height (GM)?
Suffer torsional stresses and have small righting levers
Have a slow roll and very small righting levers
Have a fast roll period and possibly suffer racking stresses
Have a slow roll and large righting levers
Which of the following alternatives are recommended when decanting water overboard from the sloptank?
Maintain a speed of at least 12 knots when pumping overboard
Leave a "cushion"of water in the sloptank, to minimize the risk of polluting the sea
Using dispersing chemicals in the sloptank
Discharge under the waterline to avoid any sheen on the surface
Which publication sets out the forces that cause cargo shifting on a General Cargo Vessel?
The Code of Safe Practice for Solid Bulk Cargoes (BC Code)
The Cargo Securing Manual (CSM)
The ship's stability manual
The Cargo Stowage and Security (CSS) Code
Which of these are indicators that an individual may be a drug smuggler?
The individual wears bulky or out of season clothing.
The individual is disinterested in the ship’s cargo.
The individual spends his or her free time hanging out with others.
The individual makes small local purchases.
A vehicle of length 4.85m; width 1.55m; weight 3200 kg. is to be loaded with a door-to-door clearance of 12cm and bumper-to-bumper clearance of 30cm. What would be its uniform load density?
0.0425 mt /sq. m.
0.372 mt /sq. m.
0.425 mt /sq. m.
0.469 mt /sq. m.
What is the first line of defence against ingress of water into a bulk carrier?
Pipe outlets
The shell plating
Machinery spaces
Hatch covers
During overhaul of some plate type compressor valves the engine room rating is asked to clean the valve plates and seat. Some of the valve plates are heavily marked. What action should be taken?
Skim the valve plates in the lathe to remove all of the marks.
Discard the defective valve plates and replace them with new spares.
Dress the valve plates up using a portable grinder.
Use coarse grinding paste to remove the marks from the valve plates as quickly as possible.
On a General Cargo Vessel, what do Tonnes per Centimeter Immersion (TPC), Moment to Change Trim by one Centimeter (MCTC) and Longitudinal Centre of Floatation (LCF) have in common?
They vary with small angles of heel
These vary with the gross tonnage of the vessel
They vary with changes in displacement
They remain unaffected by changes in displacement
The deaerating heater is used on
Only low-pressure boilers
The closed-type feed-water system
All steam plants
The open-type feed-water system
For which emergency resource is it difficult to plan the best use?
passengers
company personnel
crew
emergency equipment
On a Bulk Carrier, what should be done immediately, if during the voyage the temperature of bulk coal exceeds 55?C?
Continue ventilation of all cargo spaces
Seal the hold completely and monitor the cargo using suitable instruments
Use fire fighting water in the hatch
Stop ventilation of cargo space
If your ship is in the tropics and you are going to be working out on deck during the day, what is the recommended daily intake of water for you to avoid the effects of dehydration?
10 litres.
1litre.
Drinking water is not the solution. I must consume at least 250 mg of salt per day to retain body fluid.
4.5 litres.
Which of the following substance is ozone-depleting?
Ammonia
CO2
Halons
Neon
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
A 2 term controller is used to control the fuel oil temperature for a thermal oil system used for heating services. The control is very unstable with the measured value hunting constantly. Select the most probable cause of this problem from the options given.
Integral action reset time is set too slow.
Proportional band width is set too wide.
Proportional band width is set too narrow.
Integral action reset time is set too fast.
What is the name of this unit?
A liferaft release unit
A slip hook
An antistatic release unit
A hydrostatic release unit
On a Container vessel, why are twistlocks preferred as a means of securing containers compared to cone-based lashing systems?
Because cargo securing manuals do not allow for cone-based lashing systems
Because cone-based lashing systems are not type-approved by classification societies
Because cone-based lashing systems are more prone to failure than twistlocks
Because twistlocks provide uplift resistance as well as horizontal restraint, helping to prevent containers from falling overboard in heavy weather
What kind of safety equipment should be used when operating a grinding wheel?
Goggles and shield.
Shield.
Welding mask.
Goggles.
The compass binnacle on the ship has various specific functions, which of the following answers reflect its most important functions.
Provides a non-magnetic housing for the compass
All of the answers provided
Houses the soft iron correctors
Houses the corrective magnets
You have made a turning circle at full speed in deep water. You are now going to make one with initial speed, slow ahead. Do you think the diameter will differ from that of initial full ahead?
Yes, it will be much smaller with slow ahead
Yes, there will be a large difference in the turning diameter between full and slow ahead
Yes, it will be much greater with slow ahead
The diameter will be the same whatever initial speed we have when starting the turn
What is the connection between ethylene gas and food?
Ethylene is the gas that develops as yeast dough bakes
Ethylene is the gas given off by most fruits and vegetables during the ripening process
Ethylene is the gas that develops as baking powder dough bakes
Ethylene is the gas that develops when meat and fish are stored for too long (bacterial decomposition)
You are going to do deballasting of a double bottom tank. The pump is of centrifugal type and mounted above tank level. You are having problems getting the pump to take suction. What can you do to solve the problem?
Repeat start and stop of the pump until it gets suction.
Feed the pump from the sea water inlet pipe.
Get somebody to do the job for you.
Disconect the manometer pipe to get rid of an air pocket .
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.
When making a small repair to the furnace refractory lining it is common to make a patch using castable plastic refractory material. Which is the best method, from those given in the options, of securing the patch to the main refractory lining?
Drill holes in the main lining and fix some anchor bolts to cast the patch around.
Cut away the damaged area to form an undercut right around the edge and fill with the plastic refractory material.
Pin some wire mesh across the damaged area and cast the patch over it.
Make a smooth hollow in the damaged area and fill with the plastic refractory material.
You are about to commence tank-cleaning after discharging a cargo of Olefins. What should happen with "ball" type valves in the pipeline system during cleaning?
They should be operated (opened and closed) to ensure all surfaces are flushed and drain plugs should be temporarily removed.
They should remain fully open throughout to ensure washing water does not back up against the valve.
The bolts in the flanges either side of such valves should be slackened off to ensure residues are flushed clear of the surfaces of the valve casing.
They should only be opened when it is necessary to discharge washing water.
What type of cargo shall always be secured?
The driver must ask the crew to secure the vehicle and its cargo
Freight vehicles carrying dangerous goods and adjacent vehicles should always be secured.
No cargo or vehicles have to be secured if the weather conditions are favourable.
Tank lorries should always be secured.
The main engine is running steady with an average exhaust gas temperature of approximately 350° C. What would be a typical alarml/slow down setting for the cylinder exhaust gas temperature deviation from the average?
+/- 80° C
+/- 10° C
+/- 50° C
+/- 30° C
During overhaul of a hydraulic pump a large number of small components are removed. Where should these components be kept so that they are not lost and are available when rebuilding the pump?
They should be kept in a boiler suit pocket.
They should be placed in the pump save all.
They should be placed in a clean box or tin and covered over.
They should be placed inside the pump casing.
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.
In ship's stability what is understood by the term "In stable equilibrium"?
The term "stable equilibrium" means when the cargo loaded in each hold is the maximum that hold can carry.
Stable equilibrium means the vessel is floating upright and has a positive GM
The term "stable equilibrium" means that the vessel complies fully with the International Loadline Rules
Stable equilibrium means the buoyancy force upwards and the force of weight downwards are equal and G and B are in the same vertical line
What does the term "Dead Ship" mean?
"Dead Ship" means that the ship cannot make way through the water
"Dead Ship" means that the ship is aground
"Dead Ship" means that auxiliary machinery is not operational
"Dead Ship" means that the machinery and boilers are inoperational due to lack of electrical power
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.
How can a lead-acid type battery be checked to confirm if it is fully charged or not?
Measure the relative density (specific gravity) of the electrolyte
Measure the temperature of the electrolyte
Measure the level of the electrolyte
Measure the battery voltage
What should be done prior to loading structural steel products on a General Cargo Vessel?
Dunnage of 7.5cm x 7.5cm cross section should be laid athwartships over the tank top about 3m apart
Dunnage should be laid fore and aft over the tank top
16mm wire cables should be laid athwartships over the tank top about 3m apart
16mm wire cables should be laid fore and aft over the tank top about 3m apart
The reliquefaction plant for cargo cooling of liquefied gas cargoes can operate on either a direct or indirect cycle. On which liquefied gas cargoes must indirect cycle cargo cooling plant be used according to the IMO Gas Codes?
All liquefied cargoes in north European waters during winter time
Cargoes such as butadiene and vinyl chloride which need two stage cycle with intercooling.
Cargoes such as chlorine, ethylene oxide and propylene oxide for which the vapours cannot be compressed due to temperature restrictions.
LPG cargoes being carried in north European waters during winter time
Does OPA90 apply to vessels engaged in carrying liquefied gas?
OPA90 applies only to oil tankers.
OPA90 applies only to non-American flag vessels.
Only if the vessel carry HC-products.
OPA90 applies to all ships.
Some spaces and zones on a liquefied gas carrier are classed as gas-dangerous as it is likely that they may contain flammable vapour and do not have venting arrangements to prevent this. What is the designation used for the other spaces and zones on liquefied gas carriers?
Gas-safe.
Vapour-free.
Gas-free
Gas-less
A resistor has three red bands. What is the resistance?
220 ohm
22 ohm
2200 ohm
222 ohm
A plate type heat exchanger in a central cooling system has seawater leaking around the edges of some of the titanium plates. After inspection and reassembly following the manufacturer's instructions the problem still exists. What action, from the options given, should be taken to rectify the problem?
Fit new gaskets to the each of the plates.
Keep tightening the plate stack until the leakage stops.
Reduce the pressure of the sea water.
Scrap the plates and replace with a new plate stack.
In most colour coding systems for kitchen knives, what colour is used only for knives used in the preparation of raw fish?
Green.
Brown.
Red.
Blue.
During cargo or bunker operations, oil response equipment is to be:
Used elsewhere in the ship
In its store room
Ready for immediate use
In the cargo pump room
What is the approximately efficiency of the ejector?
The ejector's efficiency is between 20% and 30%.
The ejector's efficiency is between 30% and 40%.
The ejector's efficiency is between 70% and 80%.
The ejector's efficiency is between 60% and 70%.
What is the term used to refer to the valve that prevents backflow of water from the boiler to the feed water system?
Bottom-blow valve
Feed-check valve
Safety valve
Feed-stop valve
For a Nitrate based cooling water treatment system, what would you consider to be the normal operating limits?
0-1000 PPM Nitrate.
3000-5000 PPM Nitrate.
1000-2000 PPM Nitrate.
2000-3000 PPM Nitrate.
The first step in completing an SSA is to:
Develop an onboard security survey checklist
"Identify the key shipboard operations, systems, areas and personnel that are critical to protect."
List the existing security measures.
Create a list of potential motives for security incidents against your ship.
When having a fire alarm during normal working hours, what immediate actions should be taken?
Act according to instruction given in the fire plan.
Start searching for the fire to determine if it is in the engine room.
Everybody gather in the safety centre.
Start the fire pump, the sooner the better.
On the figure 4 possible definitions of the term "DRAUGHT" are given. Which one is the correct one?
Draught is given by C on the figure
Draught is given by A on the figure
Draught is given by D on the figure
Draught is given by B on the figure
How many pyrotechnic signals to be in each lifeboat?
8 Rocket parachute flares / 2 hand flares / 6 buoyant smoke signals
6 Rocket parachute flares / 6 hand Flares / 6 buoyant smoke signals
4 Rocket parachute flares / 6 hand flares / 2 buoyant smoke signals
10 Rocket parachute flares / 12 hand flares / 5 buoyant smoke signals
What kind of foot wear should be used when working on deck and in the engine room?
Tennis shoes
Rubber boots
Safety shoes or safety boots
Sandals or plimsolls
Which of the following should NOT be used on an electrical fire?
CO2 extinguisher.
Water extinguisher.
Halon extinguisher
Dry powder extinguisher.
The ABC-rules are an important part of the First Aiders know how. What does the First Aid ABC-rules stands for?
Airway Breathing Circulation
Anything But Continuation
A Better Control
Adults Behind Children
Must you be certified to be a lifeboat-commander?
Yes, you must attend a one week course at a approved course center.
Yes, you must attend to a course held by certified personnel, and then be certified by national authorities (NMD, USCG, etc)
No, the only thing you need is one hour instruction from a deck officer.
No
Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.