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Онлайн-тестирование: Онлайн-тест CES 5.1 для Ch-Eng / 2nd-Eng
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Тест состоит из случайных вопросов по выбранной теме.
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Which one of the listed requirements regarding the launching and recovery arrangements for rescue boats corresponds to present SOLAS regulations?
Launching shall be possible at the ship's headway speed up to 5 knots in heavy weather.
The release mechanism shall be of an automatic type approved by the flag state Administration.
Embarkation and launching arrangement shall be such that the rescue boat can be boarded and launched in less than 5 minutes.
Rapid recovery shall be possible with the boat's full complement of persons and equipment.
*What are the main components of the atmospherical air?
O2: 75% N2: 10% H2O: 5% CO2: 5%, Rare gases: traces
O2: 21% N2: 72% H2O: 5% CO2: 2% Rare gases: traces
O2: 21% N2: 78% H2O: traces CO2: traces, Rare gases: traces
O2: 50% N2: 50% H2O: traces CO2: traces Rare gases: traces
You are leading a team fighting an interior fire. If you see the colour of the smoke changing from dark black to grey, what is the most probable reason for that change?
the team has started to ventilate
the percentage of oxygen is getting below 15%
The team is applying water and the temperature is decreasing
the temperature inside is increasing
On a fire patrol at night you see smoke coming from a closed cabin door. What action should you take first?
Activate the nearest fire alarm button and advise bridge of the location of the fire.
Take a look inside the cabin to see what the situation is.
Get the nearest fire extinguisher and then open the door to see what the situation is.
As most people are sleeping, call a friend and ask him to assist in putting out the fire.
Which of the following are frequent causes of fires in accommodation?
1Smoking in bed. 2 Covering of electric fires with blankets. 3 Overloading electric plugs.
Covering of electric fires with blankets
Smoking in bed
Overloading electric plugs
*What is the signal actuated by a fire detection system?
An audible and visual signal consisting in 7 short signals followed by a long one
An audible signal at the control panel
A visual and audible alarm signal at the control panel
A visual signal at the control panel
*In general, which of the following is the maximum length of a main vertical zone?
20 meters
40 meters
The ship-s breadth
The ship-s length
*Which of the following instructions or information SHALL be contained in the Training Manual?
use of breathing apparatus
means of escape or escape routes
emergency repairs of fire-fighting equipment
use of communication equipment
*What is the term used to designate the work that may cause heat, sparks or flames and that cannot be performed if specific compulsory precautions are not taken in places where nearby flammable products could be present?
Hot work
Flammable work
Machinery labour
Specially hazardous work
What type of nozzles for fire hoses can be provided aboard ships?
Spray type only, incorporating a shutoff
Jet type only, incorporating a shutoff
Dual purpose (jet/spray) type incorporating a shutoff
All of the above types can be provided
*Which of these series of sizes corresponds to the international standard for nozzles
10 mm and 20 mm
10mm, 20 mm and 30 mm
12 mm, 16 mm and 19 mm
5 mm, 10 mm and 20mm
*What is the minimum volume of air contained in the cylinders of a SOLAS compliant self-contained compressed-air operated breathing apparatus (SCABA)?
1200 litres
1800 litres
1000 litres
2500 litres
"B" Class divisions in ships are constructed so that they are capable of preventing the passage of smoke and flame to the end of a standard fire test held for how many minutes?
45 minutes.
15 minutes
60 minutes.
30 minutes.
If pollution takes place, what would you do immediately?
Report to relevant authorities.
Inform the manager.
Start clean-up operations.
Inform the vessel-s agent.
Give the meaning of the following symbol
Fire pump
Fire control plan
Gas detector
Emergency fire pump
The engines are going astern and the ship is making sternway of about 1.5 knots with the rudder hard to starboard. What effect will this have on the ship's progress?
This will give the stern a lift force to port
There will be no lift force and the ship will go straight astern
This will give the stern a lift force to starboard
The rudder will have no effect when the ship is making sternway, it should be in the amidships position when going astern
Give the meaning of this symbol:
lifebuoy with light and smoke
lifebuoy with light
lifebuoy with automatic parachute flare
lifebuoy with line
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.
According to SOLAS, every persons assigned to crew the rescue boat or assigned to the marine evacuation system party shall be provided with:
a thermal protective aid and a lifejacket
an anti-exposure suit
an immersion suit or an anti-exposure suit
an immersion suit
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 lifeboat ?
an EPIRB
a rustproof dipper with lanyard
one life-jacket for each person
a rustproof graduated drinking vessel
*Give the meaning of the following symbol
Secure hatches
Close rescue boat ventilation aperture
Open hatches
Secure liferaft canopy closing device
What is an oxygen analyzer used for?
Measure oxygen contents in the atmosphere.
Check if there is explosive atmosphere in the oxygen.
Measure humidity in the oxygen.
Check if the oxygen is contaminated.
The IGC code gives details of construction and equipment requirements for liquefied gas carriers. Under which circumstances would a liquefied gas carrier require a double bottom and a longitudinal bulkhead forming full side ballast tanks in way of the cargo containment system?
Only when the cargo is carried at less than minus 10 degree C.
Only if the cargo tanks are designed for fully refrigerated LPG cargoes.
Only when the cargo is carried at temperatures below minus 55 degree C in cargo tanks without a secondary barrier.
Only when the cargo is carried at temperatures below minus 55 degrees C in cargo tanks with a secondary barrier.
What are the required data inputs into most gyro compasses to reduce any possible compass error?
All of the data in the suggested answers
Latitude and Speed
Maximum helm angle and rolling period
Deviation and Variation
Ordinary thyristors (SCR) must often be protected against reverse overvoltage transients because even over-voltages of extremely short duration can destroy them. These circuits have been given such over-voltage protection, but only one of them is correct. Which?
Figure 2
Figure 3
Figure 1
Figure 4
What are the three volumes of the IAMSAR Manual?
I Organization and Management II Mission Co-ordination III Mobile Facilities.
I Planning and Preparation II Rescue Control III Reference
A Command and Control B Communications C Rescue Procedures
I Organization II Communications III Rescue Procedures
What is the definition of "vapour"?
It is the weight per unit volume in vacuum
A gas which the molecules escaping from the free surface.
A gas which vapours of different ingredients will exist independently.
A gas which can be liquefied at the temperature concerned.
What is the purpose of the decanting line between two slop tanks on an oil tanker that is using water for the washing of the cargo tanks?
To enable the filling of the secondary slop tank via the primary slop tank.
To enable most of the recovered oil to be retained in the primary slop tank, while the cleaner part of the water will flow into the secondary slop tank, where it can be re-used as wash-water.
To enable both the primary and secondary slop tank to be filled without using the main cargo lines.
To avoid a build-up of static electricity during water washing, caused by air being drawn in as the primary slop tank empties.
Which device does this graphical symbol illustrate?
Inverter
Rectifier
Pressure to current converter.
Differential pressure transmitter
The ship is en route. When may passengers visit the bridge?
When the weather is nice and the sea is calm
Whenever they want
Passengers are not allowed to visit the bridge while the ship is en route
During daytime if the traffic is smooth
Which of these statements about drug smugglers modes of operating is true?
An organized conspiracy usually smuggles a small amount of drugs.
"Drugs smuggled by an organized conspiracy are usually concealed in a primary ship system such as the engine room or in a tank, void or compartment."
Individual entrepreneurs usually smuggle large quantities of drugs.
Drugs hidden by individual entrepreneurs are usually difficult to detect.
You are to supervise a hot work repair in a cargo tank on an oil tanker. You have measured the atmosphere inside the compartment as 21% oxygen content by volume and less than 1% LFL hydrocarbon vapour concentration. Does this mean the work can commence? (Select the most correct option)
No. The flammability reading should be maximum 0.5% LFL hydrocarbon vapour concentration for any hotwork to take place. .
Yes, provided that continuous readings are maintained throughout the operation and flammability readings do not exceed 2% hydrocarbon vapour content in the immediate vicinity of the hotwork site. .
Yes. The minimum safe requirements for hot work have been met.
No. Further precautions need to be taken. The area around the work site needs to be cleaned and checks need to be made on adjacent spaces. Additional precautionary measures may need to be put in place.
Which regulations cover packaging materials consisting of wooden elements?
The Code of Safe Practice for Cargo Stowage (CSS) Code
The International Maritime Dangerous goods (IMDG) Code
International Standards for Phytosanitary Measures (ISPM) Code
The United Nations Convention on Law of the Sea (UNCLOS)
What would you do before giving a boiler a “bottom blow”
Increase the oil temperature
Drop the water level a couple of inches below normal
Increase the oil pressure
Raise the water level a couple of inches above normal
Why does the Chief Mate have to reorder the cargo plan?
The wheels of hatchcover No. 7 came out off their tracks
Hatchcover No. 7 cannot be opened due to a defect in the hydraulic pump
Hold No. 7 is already loaded by the company ashore
The cadet disappeared with the cargo plan
What is mean by bulk Grain cargoes have a low angle of repose?
Likely to produce toxic gas
Always stable
Unlikely to shift
Liable to shift
What hazard is associated with carrying ammonium nitrate?
It has several subsidiary risks
It is a marine pollutant
It is liable to spontaneous combustion
It can explode
How to distinguish a LNG carrier with prismatic tanks from an ordinary oil tanker?
The tanks of an LNG carrier protruding above the main deck.
The freeboard of an LNG carrier is significantly greater.
By its distinctive profile and much larger size.
By consulting the Gas Code.
What term is applied to the technique of removing a portion of fish from the bone?
Felting.
Filling.
Filleting.
Filtering.
What is the purpose of the flame scanner or 'magic eye' fitted to the burner unit of oil or gas fired steam boilers?
To check the colour of the flame.
To control the combustion air supply to the boiler.
To check that the flame is present during start up or normal operation of the burner; if not then fuel is shut off automatically.
To check the colour of the exhaust gas from the furnace.
What should a duty crew member do immediately upon observing funnel soot emissions?
Inform the duty engineer
Inform the chief officer
Inform the master
Inform the duty officer
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.
You are experiencing large hunting on the fresh water cooling system. What is the reason?
The cooling water temperature is too low.
The expansion tank is empty.
You have a cracked liner, or cover.
The fresh water circulating pump is worn out.
The benefits of emergency response plans are only realized if:
survival craft are launched
escape routes are used
lifejackets are put on
the crew carries out the plans
What extra precautions should be taken by the officers and crew if some of the passengers are disabled, i.e. using wheelchair, cane, blind etc.?
All passengers that will require extra assistance, also in case of an emergency situation/ evacuation, must be registered in order to allocate crew to assist them if needed.
Locate them in large cabins to ease their stay.
Passenger with some form for disability must travel with accompany, and live in same cabin or next door.
They must be placed in cabins on the same level as the muster station.
On a Container vessel, what is the function of a buttress?
To support the lowest tier of containers in a non-cellular cargo hold
When used at the base of container stacks its prevents the tank top plating from being pierced
To support container stacks in a non-cellular cargo hold
To support the lowest tier of containers in a con-bulker's cargo hold
What do you understand by: Let go the port anchor?
Let go the port anchor means: slacken the port anchor cable
Let go the port anchor means: put the port windlass brake in gear
Let go the port anchor means: open the port windlass brake
Let go the port anchor means: put the port windlass brake in gear and lower the anchor
What would be the most probable cause of the exhaust gas temperature from one cylinder of a diesel engine being lower than normal?
The opening pressure for the injection valve for the cylinder is set too high.
There is air in the fuel oil system.
The intake filter for turbo charger is partly fouled.
The camshaft chain is too slack.
How can you avoid and/or reduce potential panic among passengers, if an emergency situation occurs?
Do not inform passengers about the situation. It will only create panic and make it difficult for the crew to handle the situation.
Inform the passengers, that there is nothing to worry about, to keep them calm.
Inform passengers at frequent intervals over the public announcement system about the situation and how they shall act. Use as many of the ships officers and crew among the passengers to assist.
Checking that all crew and passenger are present
Why are drains fitted to hatch coamings of a General Cargo ship?
To drain water from the hatch covers
To drain water that enters the hatch coaming channel via the hatch seals
To drain water from hatch cover cross-joints
To collect debris that collects in the hatch coaming channel
In bulk carrier design what constitutes the main structural strength element?
The deck plating and shell frames
The collision bulkhead
The shell plating
The transverse watertight bulkheads
On a RoRo vessel, why should chipping and painting not be done on a loaded car deck
because there is not enough space to work with the cargo in the way
To avoid damage to the cars or their paint work
because you cant run the ventilation and the fumes will overcome the crew
What do we measure with an explosimeter?
With an explosimeter we measure 0-20/0-100 % LEL hydrocarbons.
With an explosimeter we measure 0-21 % Oxygen content.
With an explosimeter we measure 0-2 % volume hydrocarbons.
With an explosimeter we measure 0-20/0-100 % volume hydrocarbons.
On a Container vessel, where should containers with untreated fishmeal cargo be carried?
On deck away from sunlight
Under deck
On deck
Separated from class 4.2 containers
A stevedore is working in a cargo hold of a bulk carrier while completing discharge of a concentrate cargo. What possible assumptions could be made if the stevedore appears to be taken ill?
Assume problem due to lack of oxygen and/or toxic gas and rescue with self-contained breathing apparatus
The foreman stevedore will deal with this situation
Immediately enter space and give first aid
Assume possible heart attack and give CPR
You are in charge of discharging and crude oil washing a crude oil carrier.What is the maximum allowed oxygen level in the Inert Gas supply to a tank being crude oil washed (IMO)?
10%
5%
3%
8%
On a container vessel, when racking forces are imposed on a container, which part is likely to show the greatest deflection.
The base of the container.
The corner posts of the container.
The door end of the container.
The closed end of the container.
Why do we use stabilizers?
To increase the intact stability
To decrease the dynamic stability
To adjust the trim of the vessel
To decrease the rolling angle of the vessel
Passenger ship engaged in international voyages shall carry through a muster for all passengers. At what latest time after embarkation shall the muster take place?
Before departure
No time limit
4 hours after the passengers embarked
Within 24 hours after the passengers embarked
The electric motor on one of your centrifugal pumps has for a period of time gradually been running at lower and lower Amp-load. The pump is still supplying water, but the pressure is reduced. Which of the below alternatives is probably the reason?
The pump is running at lower speed due to short circuit in the electric motor.
Inner diameter of impeller is bigger due to cavitations, or outer diameter reduced by erosion.
The pump has been more effective because the suction strainer has been removed.
The pump has suction from many places at the same time.
What precautions should be taken, in addition to shutting the main air start valve, if work is to be carried out inside the main diesel engine crankcase?
Engage the turning gear and close every valve on the starting air receivers.
Engage the turning gear and put a notice at each engine control position.
Engage the turning gear, stop the starting air compressors and drain the air receivers.
Keep a man posted in the control room to stop anyone who tries to start the engine.
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.
What can happen with a lub. oil cooled piston if You stop the lub. oil pump immediately after You stop the engine?
You save the oil sealings in the piston.
Nothing happens.
The oil flashpoint will be changed.
Overheating of the piston, and oil coke deposits in the cooling chambers.
To prevent inadvertent leaks, bunker manifold not in use should:
Have blank flanges fitted and tightened with some bolts in place
Have blank flanges fitted with gaskets and tightened with all bolts in place
Have blank flanges fitted with gaskets and tightened with some bolts in place
Have blank flanges fitted and tightened with all bolts in place
What is the meaning of the expression 'dead-band'?
It will is not respond to adjustment of set-point
The controller will not react to a process change in this range
The controller will enter 'sleep mode'
It will take some time before the controller will react to a change
According to ISGOTT, which of the following indicates the approximate density ratio of undiluted gas, in relation to air, from a typical crude oil?
Twice that of the air.
0.8 times that of the air (assuming atmospheric pressure above 1000 mb).
1.8 times that of the air.
1.5 times that of the air.
You have prepared a tray of cream eclairs, using fresh cream filling. At what temperature must they be stored until required for service?
Between 5 and 7 degrees Celsius.
At least 10 degrees Celsius.
0degrees Celsius.
-5 degrees Celsius.
Give clear, direct instructions in an emergency, and show passengers exactly what they need to do. What is the most important reason for doing this?
3% of passengers panic.
3% of passengers have little or no ship safety knowledge.
25% of passengers go into shock.
75% of passengers are confused, and feel helpless.
Why is it important to remove all traces of salt after washing the cargo holds of a bulk carrier?
Because salt will contaminate the next bulk cargo
If not done, surveyors at the load port will be unable to properly inspect the cargo holds
Because salt encourages the corrosion of steelwork
To prepare the steelwork for painting during the ballast passage
Which of the following is associated with staphyloccocal food posining?
Uncooked fish that has been defrosted overnight in a refrigerator.
Food that is not kept properly hot (or cold) as required.
Raw salad leaves.
Unwaxed citrus fruit.
Certain vessels are required to maintain oil record books according to the IMO. Is it compulsory that an oil record book is maintained onboard liquefied gas carriers?
Yes, all ships to which MARPOL 73/78 applies must have oil record book parts 1 and 2 onboard.
Yes, all ships to which MARPOL 73/78 applies must have an oil record book part 1 onboard
No, since MARPOL 73/78 only applies to oil tankers then it is not necessary for a liquefied gas carrier to have any oil record book onboard.
Yes, all ships to which MARPOL 73/78 applies must have an oil record book part 2 onboard.
Some liquefied gas carriers are classed as fully refrigerated. What is the general meaning of the term 'fully refrigerated liquefied gas carrier'?
Any vessel for carrying liquefied gas at low temperature in semi pressurised independent tanks.
A vessel which is designed to carry liquefied gases at low temperature and atmospheric pressure between terminals with fully refrigerated storage tanks and a full onboard cooling plant.
Any vessel which has thermally insulated cargo tanks.
A vessel which can load a cargo of gas at ambient temperature and cool it down to a liquid state.
A general cargo ship is being loaded in Singapore for Hong Kong; which is the preferred order of loading for the following cargo types in the same hold?
Top stow: Steel slabs, Middle stow: Pallets Machinery parts, Bottom stow: CKD's (packaged cars)
Top stow: CKD's (packaged cars), Middle stow: Steel slabs, Bottom stow: Machinery parts
Top stow: CKD's (packaged cars), Middle stow: Pallets Machinery parts, Bottom stow: Steel slabs
Top stow: Pallets Machinery parts, Middle stow: CKD's (packaged cars), Bottom stow: Steel slabs
What is a "closed discharge" operation on an oil tanker?
A discharge operation which is commenced with all manifold and tank valves on the vessel initially set in the closed position
A discharge operation carried out without opening any lids or sighting ports and where gauging is performed either by a fixed system or by a portable system gaining access through a vapour-lock.
A cargo discharge which is performed to a shore tank directly adjacent to the berthed vessel and which is wholly controlled by a terminal operator
The pumping of tank washings, conducted through underwater discharge outlets only
What prevents hatch cover panels from lifting in a seaway on a General Cargo vessel?
The hatch compression bars
The hatch cover hydraulic system
The hatch cover cleats and cross-wedges
The hatch cleats
A refrigerated break-bulk cargo (not palletised) is being loaded into a space that it will not fill. From the options given select the one which gives the best way to finish the stow.
With a vertical face that can be secured by netting.
The stow should be stepped down progressively over several rows so that it is self securing.
With a vertical face that can be secured by plywood sheeting.
With a vertical face which can be secured with wooden tomming.
Which controller must be tuned first in a cascade control system?
The secondary controller
Both at the same time
Any one of them
The primary controller
After a bulk cargo is discharged what should be done with CO 2 lines in each cargo hold?
Each line must be washed through with fresh water
Each line should be blanked off
Each line must be blown through with compressed air to ensure that they are clear of cargo?
No maintenance is required
During the survey of Long Range Identification and Tracking (LRIT) equipment, which document must be available to the surveyor to demonstrate compliance with SOLAS?
The Certificate of Compliance with SOLAS V/19-1, bearing the serial number of the equipment installation.
A report giving the result of the Performance Test, issued by the manufacturer in compliance with the Flag State Authority requirements.
A report giving the result of the Conformance Test, issued by the Classification Society on behalf of the Flag State Authority.
A Statement of Installation and and Testing by the Approved Service Provider in compliance with SOLAS V/26-4.
What is the definitive document which confirms whether a chemical tanker is authorised to carry a particular Noxious Liquid Substance?
Her Certificate of Fitness.
The International Pollution Prevention Certificate for the Carriage of Noxious Liquid Substances in Bulk.
The IBC Code.
MARPOL.
What additional requirement must be observed if a cargo tank on a chemical tanker is to be cleaned by recirculation with a low flash or static accumulator product?
The tank must be inerted to less than 8% oxygen content.
All lids and other penetrations must be securely closed before recirculation is commenced.
The tank must already have been cleaned to Water White Standard to ensure no hazardous reaction with cargo residues.
The product must be allowed settling time within the tank before recirculation is commenced.
Why do many engine makers recommend to grind the valve spindle sealing surface with a half degree difference to the valve seat?
To compensate for the heat expansion.
To improve the sealing surface between valve and seat during operation of the engine (compensate for the bending of the valve disc caused by combustion pressure).
To avoid sticking between valve and seat during high load operation.
To minimize heat transfer between seat and housing.
The bowl in a fuel oil separator opens unintentionally during operation. What is the reason to this?
Bowl speed too low.
Any of the others.
Strainer in operating water low-pressure side is clogged.
Extreme fuel oil characteristics.
You have a leak cylinderliner ( poor O -rings on a water cooled compressor). Where is the leaking water most likely to go when the compressor is running?
Into the LP air discharge and mix with the air from the compressor.
Into the crankcase and mix with the lube oil.
Out of the suction filter for the HP cylinder.
Into the HP air discharge and mix with the air from the compressor.
What will happen in a purifier bowl if either; oil density, viscosity or flow increase
The interface moves inwards
The interface moves outwards
Loss of water seal
It depends on the change in temperature
Would the purification efficiency be improved by an increase in throughput?
No.
It makes no difference.
Yes.
Depends on the viscosity.
What separation temperature do You recommend for heavy fuel?
50 - 70 Centigrades
40 - 50 Centigrades
70 - 90 Centigrades
98 Centigrades
If the temperature decrease, what will happen with the interface in the bowl ?
Broken water seal, oil outside the top disc.
Decreasing of capacity.
Will have no effect on interface.
Interface towards center.
Before you close the main gatevalve at the ships bunkering manifold, you should notify:
The deck officer on duty at the receiving vessel
The bunkeroil company representative
Your engineer at the valve manifold in the engineroom at the receiving vessel
The officer in charge at the barge or the foreman in charge if it is at a shore facility
Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.