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Онлайн-тестування: Test online CES 5.1 for 3rd-Eng/4rd-Eng
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Тест складається із випадкових питань з обраної теми.
Питання 1 з 90
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How many hand held distress flares are carried in each liferaft with SOLAS A pack?
4
6
Nil
2
Give the meaning of the following symbol
Line throwing appliance
Rocket parachute flares
EPIRB
Survival craft distress pyrotechnic signals
Give the meaning of the following symbol
Survival craft distress pyrotechnic signals
Rocket parachute flares
Lifeboat hand flare
Radio signal emitting parachute flare
What is a polar (liquid)?
A liquid that mixes with water
A liquid that conducts electricity
A liquid that emits flammable vapour
A liquid that doesn't mix with water
*Welding and flame cutting are among the factors which give the highest risk of fire on board ships. Precaution has to be taken to avoid this risk. Which of the following safety rules may be regarded as the most important?
The welder shall have been instructed in the use of the ship-s welding plant
Electric welding plants shall be controlled by a responsible engineer before use
Only holders of welding certificates shall be allowed to carry out welding on board ships
Only use electrodes from a well-known manufacturer
The aim of fire detection is
to activate the alarm
all the answers are correct
to discover where a fire starts
to begin applying an emergency plan
The greatest limitation of the fixed pressure water-spraying fire-extinguishing systems is a danger of
Stability reduction on ships with several decks
Overflowing
All answers are good
Stability reduction on ships with single deck
*In addition to personal equipment a complete set of fireman's outfit also comprises a breathing apparatus and a fireproof lifeline. How many complete sets of fireman's outfit is to be carried by all ships?
At least three sets or more depending on the type and the size of the vessel
At least four sets or more depending on the type and the size of the vessel
Two sets or more depending on the type and the size of the vessel
At least one set or more depending on the type and the size of the vessel
Who are responsible for safe working conditions onboard?
The individual person.
The officer of the watch.
The safety officer.
Master, Chief Engineer & Chief Officer.
In relation ot OPA 90, Which of the following statement is correct?
COTP-zones may have additional rules and regulations
OPA-90 specify all oil cargo related rules and regulations
OPA-90 specify rules and regulations for all COTP-zones
After implementation of OPA-90 there are no area specific rules and regulations
The passage of electrical current through the body may result in severe and sometimes fatal injuries. You are witness to man getting electric current through his body and is stuck to the dangerous area. It is impossible to switch off the current by any main switch. How to break the current safely?
Stand on dry insulating material and pull the person away with isolating material.
Call the electrician immediately.
Apply fish oil on your hands and cut the cords by the use of any metallic pliers.
Just take the casualty in your arms and pull the person away.
Treatment of burns and scalds depends on the severity of the injury. What is the correct thing to do for minor burns and scalds?
Place the injured part under slowly running cold water for at least 10 minutes, but preferably until the pain is gone. If no water is available, use any cold, harmless liquid.
Remove all sticky clothing from the casualty.
Break blisters, remove any loose skin or foreign objects from the injured area.
Apply lotions, ointments or fat to the injury.
You are on a vessel 15 nautical miles off the coast of Nigeria, West Africa. Are you allowed to dump food waste overboard?
No, food waste can not be dumped overboard
Yes, the food waste can be dumped if it is ground so that the resulting particles can pass through a screen with 25 mm openings
Yes, the food waste can be dumped if it is ground so that the resulting particles can pass through a screen with 50 mm openings
Yes, all kind of food waste can be dumped overboard
When planning the distribution of the cargo, what are the most important forces to take in consideration?
Only bending moments.
Torsion forces.
Only shear forces.
Shear forces and bending moments.
Give the meaning of the following symbol
Water fog applicator
Manually operated call point
Fire station
Fire alarm panel
Give the meaning of the following symbol:
davit launched liferaft
liferaft
muster station to davit launched liferaft
muster station to liferaft
What method shall be used when hauling survivors out of the sea (state of survivors is critical)?
Using painter
Using heaving line
Using nets
Using lifebuoy
A person wearing an immersion suit which has its own buoyancy is able to turn from a face-down to a face-up position in not more than:
30 sec
1sec
10 sec
5 sec
Which item among those below is included in the normal equipment of every rescue boat ?
a survival manual
one daylight signalling mirror with instructions
two buoyant rescue quoits
four rocket parachute flares
Which item among those below is included in the normal equipment of every rescue boat ?
one daylight signalling mirror with instructions
a survival manual
a searchlight which can work continuously for not less than 3 hours
four rocket parachute flares
Which item among those below is included in the normal equipment of every rescue boat ?
a survival manual
an efficient radar reflector
one daylight signalling mirror with instructions
four rocket parachute flares
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
instructions on how to survive
Which item among those below is included in the normal equipment of every lifeboat ?
sea-charts and navigating equipment
one immersion suit for each person
a VHF transceiver
portable fire-extinguishing equipment suitable for oil fires
How often should an inflatable liferaft be serviced at an approved service station?
Every 5 years
Every 24 months
Every 12 months
Every 6 months
An inflatable liferaft accommodating 6 persons is fitted with:
2 entrances each being fitted with a boarding ladder
1entrance fitted with a boarding ladder
2 entrances among which one is fitted with a semi-rigid boarding ramp
1entrance fitted with a semi-rigid boarding ramp
How much can the concentration of oxygen in the air decrease before it is dangerous to stay in the atmosphere without breathing apparatus?
5 - 10 %
21 %
10 - 15 %
2 - 3 %
What is meant by the atmosphere in a cargo tank being "too rich" or "too lean"?
The atmosphere will not support combustion in either situation.
The atmosphere supports combustion iif it is "too lean" but does not do so if it is "too rich".
The atmosphere supports combustion if it is "too rich" but does not do so if it is "too lean".
The atmosphere supports combustion in both situations.
You are inerting a cargo tank on an oil tanker, prior to gas-freeing for entry. What is the maximum oxygen content permitted in the inert gas main during this operation, as required by SOLAS 1974?
5% by volume.
2% by volume.
8% by volume.
12% by volume.
High Voltage (HV) cables are smaller than low voltage cables for a given power rating. Why is this?
The HV cable uses Aluminium conductors and therefore requires them to be a smaller cross-sectional area.
The HV cable carries a smaller current and therefore requires less copper.
The HV cable uses higher quality copper conductors and therefore requires them to be a smaller cross-sectional area.
The HV cable has a thinner wall of special insulation material.
Which cell voltage is required to trickle charge a lead acid battery?
1.2 V
2.5 V
2.0 V
2.15 V
How do You want to operate the purifier to obtain the best separation result?
By high flow and low temperature.
Flow and temperature have no influence on the result.
By high flow and high temperature.
Separation with correct temperature and low flow rate.
A cargo of palletized fruit on oblong pallets is being loaded into the 'tween deck space of a conventional reefer ship by stevedores under the supervision of the ship's crew. The pallets are loaded with the long side athwartships to ensure a stable stow. The final space in the first row is too small to fit another pallet athwartships. Select the option which gives the best course of action to be taken to deal with this situation.
Use a forklift truck to force the last pallet into the gap.
Complete the next row and fill the gap with dunnage (air) bags.
Complete the next row, cover the deck and secure the gap with wooden dunnage and plywood.
Turn the final pallet through 90 degree to fill the gap.
What is the main problem associated with a bulk cargo suffering moisture migration and developing a flow state
The may block up bilges
The cargo pile will remain stable
The cargo becomes semi-liquid and shifts easily causing major stability problems
The cargo may produce carbon dioxide gas
What do you think would be the most likely cause of too low suction pressure in a freon compressor?
Broken suction valve plate.
Too little gas in the system.
Blocked condenser tubes.
Blocked condenser.
Which of the following is a requirement on an oil tanker before entering any enclosded area containing inert gas generating equipment?
The oxygen level should be checked with an explosimeter
The atmosphere should be gas free and contain 20.9% oxygen
The atmosphere should contain at least 5% oxygen
The atmosphere should contain not more than 5% by volume of explosive and poisonous gases
On a cellular container vessel, what would make a cargo hold not ready to accept containers?
Damaged cell guides
Insufficient twistlocks
Indented tank top plating
Lack of dunnage
Who is responsible to ensure that all personnel on board are provided with suitable Personal Protective Equipment where it is needed?
The Head Department
The Master
The Company/ employer
The safety officer
On a Container vessel, what can cause large loads in lashings when containers are secured to a lashing bridge?
The lashing bridge is flexible but the hatch covers are fixed, causing the lashings to go alternately slack and tight
The lashing bridge is fixed but the hatch covers move when the ship rolls and pitches, causing the lashings to go alternately slack and tight
Due to flexibility of the hatch covers
Due to inflexibility of the lashing bridge
An airway should be used when
The patient is breathing on his own but is doing so with great difficulty
The patient has stopped breathing
Patient has injury in the mouth
The patient is unconscious
On board a crude oil tanker, where would you look for guidance on the washing system and equipment, together with the applicable operating procedures?
MARPOL 73/78 - Annex I.
The Oil Record Book - ship particulars page.
The ODME Operating Manual - manufacturer's instruction section.
The Operating and Equipment (COW) Manual.
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
Your ship has its main entry door from the maindeck on the starboard side, a few metres back from the front of the accommodation. It is also the closest emergency exit from the ship's offices and the crew mess-room in the event of an emergency. You are about to commence loading several grades of chemicals. There are no significant security concerns. What should happen to the door?
It can be open, provided the wind is blowing away from the accommodation.
It should be closed and locked.
It should be open in case an emergency occurs.
It should be closed, but not locked.
On a RoRo vessel, why should there be no more than two lashings secured to any one point on a ro-ro unit?
Because the vehicle securing point is likely to break in heavy weather
Because the vehicle itself is likely to tip over during heavy weather
Because the securing forces will not be evenly distributed
The Chief Engineer tells you to carry out Hot work on deck. What kind of permit do you need?
Hot work permit
No permit is required as long as the work shall be carried out on open deck
Cold work permit because the work will be carried out on open deck
Work permit
When a new crewmember joins a ship for the first time, on-board training and instructions in the use of the ship's life-saving appliances, including survival craft equipment and in the use of the ship's fire extinguishing appliances shall be given as soon as possible. What is the maximum timeframe for completion of this training?
Maximum 2 months
Maximum 6 months
Maximum 2 weeks
Maximum 1 week
Select the option which best completes the following statement. "When carrying out repairs to damaged hatch gratings it is best to use…
…galvanised crosshead screws."
…galvanised nails."
…mild steel nails."
…mild steel screws."
What is meant by dynamic amplifying
Amplitude of input signal divided by amplitude of output signal
Amplitude of output signal divided by amplitude of input signal
Variable amplifying
Corresponding change in signals
In a PID controller we have possibility to change the setting of the Proportional band (P), the Reset time (I) and the Rate time (D). Please indicate which curve shows the typical response to change in input, if the setting of the reset time is too fast.
Figure 4.
Figure 3.
Figure 2.
Figure 1.
The engine does not turn when starting air is supplied because of:
The engine temperature is too low.
Released blocking function in remote starting system.
Water in the starting air.
Leakage in the indicator cocks.
When would the Chief Officer wish to consult the First Engineer?
The Chief Officer would wish to consult the First Engineer whenever a hydraulic tank need to be filled.
The Chief Officer would wish to consult the First Engineer on all matters related to pollution.
The Chief Officer would wish to consult the First Engineer when the cargo hold bilges are not emptying, despite the bilges being pumped out.
The Chief Officer would wish to consult the First Engineer when items of engine room machinery require maintenance.
What is the first line of defence against ingress of water into a bulk carrier?
Pipe outlets
The shell plating
Machinery spaces
Hatch covers
How does a chemical detector tube work?
A sample of the atmosphere inside the compartment is drawn through a chemical reagent in a glass tube. The surface of the reagent becomes progressively discoloured as more contaminant vapour is detected in the sample. When this is read off the scale marked on the tube, the concentration of the vapour can be determined.
A sample of the gas from inside the compartment is sucked through a glass tube containing white cotton. As it does so, the gas becomes discoloured. The cotton will gradually dissolve and be replaced by the coloured gas, according to the concentration level. This may be read off a scale on the tube at the edge of the remaining cotton.
A sample of the air inside the compartment is pumped into a glass tube. As the pressure builds up inside the tube, a coloured stain can be observed, corresponding to the vapour pressure of the contaminant gas. The length of the stain corresponds to the percentage concentration of the gas.
The mositure in a sample of the atmosphere inside the compartment is allowed to soak into a strip of foam in a glass tube. This foam is impregnated with a reagent chemical. If it turns red, then the compartment is unsafe for entry; if it turns green, then entry is permitted.
Which of these situations will not result in an emergency shutdown of cargo operations?
Failure of the hold ventilation system
The vessel developing and sudden and unexpected list
A blackout on board
The loading ramp being lifted clear of the jetty
What could result from an experienced bulk carrier master loading containers that shifted en route?
Cargo interests could refuse to accept the cargo
The ship could be deemed uncargoworthy at the commencement of the voyage
The ship could be arrested by cargo interests
The vessel could be deemed unseaworthy due to the master’s inexperience with carrying containers
Over a period of a few hours of operation the main diesel engine speed gradually falls off. From the options given what is the most likely cause of this fault?
Water in a cylinder.
Injection valve opening pressure is too low.
Governor linkage broken.
Fouling of turbocharger intake filters.
What is the requirement to number of inert gas blower(s)?
At least 2 blowers.
Sufficient to obtain minimum 500 mm water column during discharging.
The are no requirement to number of blowers.
1blower.
Which of the hydrocarbon gases is the main one in LNG?
Butane.
Methane.
Ethane.
Propane.
Which of the following areas may be possible restricted areas? (Review all answers)
The Cargo control room
The Bridge
All alternatives
The Engine control room
When one ship is unmooring from another which is at anchor, the unmooring crew should be instructed to cast off lines:
As and when they think fit.
As and when the vessel remaining at anchor instructs them to do so.
As and when the manoeuvring vessel instructs them to do so.
As and when strain appears on individual ropes.
What are the operational requirements for a fast rescue boat?
It shall be transferable on each side of the vessel
There is no requirement for a launching appliance
It shall be served by a launching appliance to launch and retrieve the boat in still conditions
It shall be served by a suitable launching appliance to launch and retrieve the boat even under severe adverse weather conditions
This figure shows a transformer, with two windings, N(1) = 2000 and N(2) = 1000 turns, on a common magnetic circuit. Assume that there is no energy loss in the transformer itself. Calculate the current I(2) when the current I(1) = 2 A.
I(2) = 8 A
I(2) = 2 A
I(2) = 1 A
I(2) = 4 A
Most fuel oil separtors working on the centrifuge principle have an automatic start up and sludging facility. Which of the following actions would you expect to occur first during the start up sequence?
Sealing water supplied to bowl to prevent carry over.
Operating water drained from bowl to open it.
Operating water supplied to bowl to close it
Fuel oil supplied to bowl to fill it.
The upper airway consists of:
Mouth, throat and lungs
Mouth, nose and throat
Mouth, nose and lungs
Mouth, throat and trachea
Who has the responsibility to ensure that the highest standards of cleanliness and hygiene are maintained in the galley? (Select the most correct answer)
Every person working in the galley area, engaged in the handling or preparation of food.
The Chief Cook.
The Master.
The Superintendent.
What should you take into consideration when discharging from the cardeck(s)?
Discharge the upper car decks first
Always discharge the cargo on port side first!
To discharge evenly from each side, to avoid heavy list
Discharge the lower car decks first
How often shall abandon ship- and fire drills take place onboard ro-ro passenger vessels?
Monthly
Weekly
Bi-weekly
At least two abandon ship drills and one fire drill every month
Which type of material is normally used in the construction of a cargo tank designed for transporting LPG at atmospheric pressure?
Stainless steel.
Aluminium.
9% Nickel steel.
Carbon-Manganese steel.
Where shall you be able to activate the ship security alert system on board ro-ro passenger ships?
Navigation bridge
From the navigation bridge and in at least one other location
Captain's office
Captain's- and Chief Officer's office
What is the Chief Officer worried about?
The Chief Officer is worried that that oil will leak out before the ship is moored
The Chief Officer is worried that oil will run through the overboard valves, into the sea
The Chief Officer is worried that oil will be pumped into the sea
The Chief Officer is worried that that the cadet will not adjust the moorings properly
Which of the following statements is generally true in relation to inert gas systems for LNG carriers?
Most LNG carriers use the boiler exhaust as the main source of inert gas for cargo spaces as well as interbarrier and hold spaces.
Most LNG carriers have Nitrogen generators capable of providing all of the inert gas requirements for cargo spaces as well as interbarrier and hold spaces.
Most LNG carriers have a combustion type inert gas generator for the cargo tanks and a Nitrogen supply or generator for interbarrier and hold spaces.
Most LNG carriers do not have inert gas facilities fitted onboard and rely on shoreside installations to provide inert gas as required.
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.
What purpose has the discharge booster pump on a gas tanker?
The main purpose of booster pumps is to avoid overflow during loading.
The main purpose of booster pumps is to increase the manifold pressure.
The main purpose of booster pumps is to maintain the manifold temperature.
The main purpose of booster pumps is increase the tank pressure.
What should be done when flammable vapours are detected in a cargo hold?
Stop the hold ventilation and close all ventilator covers
Stop the hold ventilation
Run the hold ventilation in ‘supply’ mode
Run the hold ventilation in ‘exhaust’ mode
On a pure car carrier what danger is associated with deck-head piping in cargo spaces?
Rusting of cargo units stowed below
There is no associated danger
Breakage of pipes in heavy weather
Moisture dripping onto vehicles stowed directly below
Many chemical tankers are fitted with deepwell centrifugal cargo pumps. What is the process by which any leakage of cargo or hydraulic oil into the pump cofferdam is detected?
Stripping.
Purging.
Assessing.
Proving.
To maintain good relationship among the crew on board a vessel, one must be:
Polite and diplomatic while talking to crew members
Give authority to others
Strict and authoritative while giving orders
Understanding, Co-operative, and have respect from both sides
What is the lightweight of a ship according to SOLAS?
Weight of ship including equipment, complement, stores and supplies
Weight of the ship including fixed and permanent equipment, less cargo, complement, passengers, stores and supplies
Weight in tons of operative ship with no cargo
Weight of a light loaded ship (not fully loaded)
You have recently discharged a cargo of Methylene Chloride from tank 4 port. How will the atmosphere in the tank normally be tested for remaining (very low level) traces of vapour to ensure safe conditions before a tank entry certificate is issued?
By reading off a standard explosimeter (combustible gas indicator).
You will be able to smell even a very low level of this product.
It is not possible (or important) to test for trace levels of this product.
By sampling through a gas detector tube.
How should mild steel slabs be loaded in a bulk carrier?
Interlocked across the entire cargo hold with the longitudinal axes athwartships
Interlocked up to the hopper tank plating with the longitudinal axes athwartships
Interlocked across the entire cargo hold with the longitudinal axes fore and aft
Interlocked up to the hopper tank plating with the longitudinal axes fore and aft
What factors do you consider as important before mooring a vessel?
Use of proper Personal Protective Equipment, Well maintained mooring equipment, Make sure the area is tidy and clean, Mooring stations should have effective hazard markings/ hazard highlighting, Stay clear of mooring ropes/wires, Be aware of Snap-back Zone, Proper procedures, Effective communication
Use of proper Personal Protective Equipment, Mooring stations should have effective hazard markings/ hazard highlighting, Stay clear of mooring ropes/wires, Be aware of Snap-back Zone, Proper procedures
Use of proper Personal Protective Equipment and be aware of Snap-back Zone
Use of proper Personal Protective Equipment
On a Container vessel, what is the function of a raised deck socket?
To house base twistlocks or stacking cones
To house stacking cones
To secure turnbuckles
To house base twistlocks
The circuit shows a full-wave bridge rectifier. Which electronic component will you connect between 'a' and 'b' in order to obtain reduced ripple voltage to the load RL.
Zener diode
Capacitor
Inductive reactor
Resistance
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 should you do in case of any fire breaks out?
Ask passengers to assist you with fire-fighting
Fight the fire and report to the bridge when you have extinguished it
Alert the bridge, Rescue human life, Extinguish if possible by use of available fire fighting-fighting appliances, Secure the area/ damage control
Call FIRE-FIRE-FIRE
With regard to portable fire-fighting equipment on ro-ro decks, what must be ensured upon completion of cargo loading operations?
The equipment must be lashed so as to prevent accidental movement
All items of equipment must be in the designated position
Water applicator nozzles must be moved away from vehicles’ exhausts
Fire extinguishers must be moved away from vehicles’ exhausts
Why are zinc anodes sometimes fitted in the seawater side of heat exchangers?
To prevent accumulation of marine growth
To reduce salinity
To prevent scaling
To protect against corrosion
Whatwill happen if the charge air pressure drops?
The turbochargers cooling water flow becomes to high.
The cylinder cooling water flow becomes too high.
The performance of the engine is nearly the same.
The performance of the engine is reduced noticeably
We have a problem with surging in the turbocharger. Which of the following could be the cause?
Dirty scavenging air cooler on the air side.
The lubrication oil pump is malfunctioning.
Worn out bearings on the turbocharger.
Dirty rotor blades.
What phenomenon is used for liquid cleaning by centrifugal separators
Sedimentation
Stokes Law
Gravity
Centrifugal force
Read this text and answer the question: To whom should training in personal survival techniques be given?
To all seafarers.
To all ratings.
To officers only.
To deck hands mainly.
Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.