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Головна Онлайн-тести CES Oil tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Oil tanker vessel
Онлайн-тестування: Test online CES 5.1 for MASTER / Ch-Officer, Oil tanker vessel
Онлайн-тест
Опис
Тест складається із випадкових питань з обраної теми.
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Which one of the listed requirements regarding the stowage of rescue boats corresponds to present SOLAS regulations. Rescue boats shall be *stowed:
Wherever space is available
In a state of readiness for launching in not more than two minutes
Stowed in a dedicated and covered area
So that neither the rescue boat nor its launching arrangements will interfere with any survival craft at any other launching station
The hydrostatic release unit used in the float-free arrangements will automatically release the liferaft at a depth of not more than:
4 m
8,50 m
1m
2,50 m
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
Which one of the following is a limitation on the use of chemical powders?
In some cases they may cause a violent reaction on combustible metals such as sodium
Some of them may give off NH3
All the below mentioned alternatives
They may put an insulating deposit on electronic equipment
On a cargo ship, where should we find the hydrants ?
At such locations that no part of the ship normally accessible to the crew while the ship is being navigating is located more than 20 meters away from a hydrant
At such locations that at least two jets not emanating from the same hydrant may reach any part of the ship normally accessible to the crew while the ship is being navigating, each of these jets coming from a single length of hose.
At such locations that no part of the ship normally accessible to the crew while the ship is being navigating is located more than 40 meters away from a hydrant
At such locations that at least two jets not emanating from the same hydrant may reach any part of the ship normally accessible to the crew while the ship is being navigating, one of these jets coming from a single length of hose (the other jet may come from a connection of several lengths of hoses)
What is the most common fixed fire fighting extinguishing system fitted in an engine room?
A chemical powder system
An halogenated hydrocarbon system
A pressure water-spraying system
A carbon dioxide (CO2) system
*How many fire hoses are required for general cargo ships of 1000 gross tonnage and upwards (not including hoses in any engine or boiler room) ?
At least one hose for each fire hydrant
At least one hose for every two fire hydrants
At least one hose for each 30 meter length of ship plus one spare
At least two hoses for each vertical fire zone
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
If there is an accidental discharge of oil from a tanker, which of these items will NOT have to be noted in the Oil Record Book ?
The time the discharge occurred
The ship-s position when the discharge occurred
The approximate quantity and the type of oil
The name of the person responsible for the oil discharge
For how long is the health certificate valid for a seafarer in foreign trade?
No time limit.
Two years.
One year.
Three months.
An Oil Record Book, Part 1,shall be provided to every ship of 400 tons gross tonnage and above to record machinery space operations.Out of below mentioned operations, it is compulsory to record:
Purification of HFO.
Discharge of water from Aft, Peak Tank.
Bunkering of bulk lubricating oil.
Transfer of oil from settling - to daytank.
One of the following arguments is not valid regarding discharge of oil/oily mix into sea:
The lower speed the higher ratio of oil/oily water can be discharged?
When discharging oil/oily water, the vessel-s position must be minimum 50 nm off any shores?
Rate of discharge regarding oily water is not to exceed 30 litters/nautical mile?
Tankers are restricted to have a monitor/control system and a slop tank?
If you are called upon to reeve a new wire onto a self-stowing winch drum you would, after looking at brake arrangement, reeve it to pay out as follows:
Depends on the lay of the wire strands
Direction B
Direction A
Doesn-t matter which direction
Is piracy an increasing or decreasing problem?
Piracy is not a probably
Piracy is decreasing
Piracy has remained constant for the last 50 years
Piracy is increasing
What is the crucial aspect in executing a voyage in a safe and efficient way?
The bridge equipment includes ARPA radar, GPS and ECDIS in full and effective operation
An effective detailed passage plan fully understood and followed by a competent bridge team.
All navigational equipment fully functional.
Bridge equipment effectively operating and being used efficiently
" On area A3 the function "" Reception of shore to ship distress alerts"" is mainly based on:"
the use of SARSAT COSPAS Epirbs and NAVTEX
the use of VHF DSC and NAVTEX
the use of MF DSC and INMARSAT C SAFETYNET
the use of HF DSC and INMARSAT C SAFETYNET
" On area A3 the function "" Transmission and reception of signals for locating "" is mainly based on:"
the use of SART transponders
the use of MF DSC
the use of HF DSC
the use of SARSAT COSPAS Epirbs
Radio direction-finding installations shall comply with certain requirements. Which one of the listed requirements do not correspond to present regulations?
All direction-finders shall be calibrated on first installation
The calibration particulars shall be checked at intervals of one year
All reasonable steps shall be taken to ensure the required homing capability
Direction-finders to be installed on, or as near the navigating bridge as possible
Which wave length applies to a frequency of 2000 kHz?
Don't know
150 mtr
1500 mtr
15 mtr
What does the abbreviation DSC means?
Distress Selective Call
Digital Safety Call
Distress and safety call
Digital Selective Call
Give the meaning of this symbol:
lifebuoy with light and smoke
lifebuoy with light
lifebuoy with automatic parachute flare
lifebuoy with line
What is the minimum number of lifebuoys carried by a cargo vessel of more than 200 metres in length ?
18
12
14
20
What is the general emergency alarm signal to be sounded by the ship's whistle and alarm bells in case of an emergency situation?
Seven short blasts followed by one prolonged blast
Continuos sounding by whistle and alarm bells
Series of long blasts
Series of short blasts
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 one among the following information shall be marked on the container of an inflatable liferaft:
the number of persons the liferaft is permitted to carry
the name of the ship to which the liferaft belongs
the number of the liferaft
the port of registry of the ship to which the liferaft belongs
What is the meaning of this symbol ?
Release gripes
Rescue boat
Release falls
Lower rescue boat to water
An abandon ship drill must take place 24 hours after the ship leaving a port with new crew members
if they are more than 10% of the total crew
if the total crew has been replaced
if they are more than 50% of the total crew
if they are more than 25% of the total crew
*Which of the following detailed explanations should be mentioned in the Training Manual ?
The use of surface to air visual signals to be used by survivors
The method of launching from within the survival craft
The use of navigational equipment for survival crafts
The use of escape routes and other escape methods
The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. The training manual shall contain detailed explanations of crew duties in relation to emergency situations. Which of the following tasks or duties shall be included in the manual according to present regulations?
The method and use of sea-anchors (drogues).
The use of oars and other propulsion equipment for survival crafts.
The use of on-board communication equipment.
Correct donning of fire protective clothing.
What is advisable for a person entering a padlocked refrigerated room?
He should never remove any ice or debris as the ice is needed to keep the refrigerated room at the right temperature.
He should take the padlock inside the room.
He should leave the padlock outside on the door for everyone to be seen.
He should ensure that sufficient meathooks are stored in the refrigerated room so that they will be easily found whenever needed in an emergency.
When there is doubt about the freshness of the atmosphere in enclosed or confined spaces, what action should be taken?
Ro-ro decks are always ventilated in advance of an operation
Open both bow- and stern doors
Arrangements should be made for testing of the atmosphere to ensure maintenance of 21% oxygen and a carbon monoxide content below 50 ppm in the atmosphere of the space
Supply filter masks to all crew working on ro-ro deck
You are proceeding along a narrow channel behind another vessel. You have a higher speed and have signalled your intention to the vessel ahead that you intend to overtake him on his port side. The vessel responds with this sound signal. What does it mean?
That the vessel suggests I overtake on the starboard side instead.
This is a signal intended for another vessel or shore station. It is nothing to do with our vessel.
That the vessel is indicating her agreement with my proposed manoeuvre.
That the vessel does not agree with my proposed manoeuvre.
On some trades fruit cargoes may be subjected to 'in-transit cold treatment' also known as cold treatment. From the options given which is the main purpose of this cold treatment?
To maintain a specified minimum temperature for a prescribed time period to kill off any fruit fly which may be present when loading the cargo.
To maintain the temperature of the fruit within very tight tolerances.
To ensure that the fruit is carried as cold as possible without damaging the fruit.
To achieve uniform quality of the fruit at discharge.
What are we seeing here?
A sailing vessel, at anchor.
A sailing vessel of less than 10 metres in length, displaying the mandatory combined lantern inlieu of sailing lights, seen head-on.
A sailing vessel less than 20 metres in length, displaying the optional combined lantern in lieu of standard sailing lights, seen head-on.
A sailing vessel, seen from astern, where the edges of her sidelights are both visible.
When is a vessel deemed to be cargo worthy?
When the hatch covers and/or hatch pontoons are weather tight
When the vessel’s Safety Construction Certificate is valid
When the hatch covers and/or hatch pontoons are watertight
When all her certificates are in order
Under the IMDG code what class is assigned to a Fumigated Container?
Class 8
Class 9
Class 5
Class 6
What action would you take if confirmed boiler water test results showed that the pH of the water in the boiler was below 7?
Blow the boiler and top up again with untreated feed water.
Retest the water after increasing the treatment chemical dosage.
Nothing, this is an acceptable value for the pH of boiler water.
Retest the water after decreasing the treatment chemical dosage.
Why should wet cloths not be used for carrying hot cooking pans?
Because Health and Safety regulations prohibit the use of a wet cloth within 2.5 metres of a galley range.
Because they conduct heat quickly and may cause scalding.
Because a cloud of steam will be generated and the person carrying the pans may find it difficult to see where he is going.
Because the mositure will transfer to the pan and cool the contents.
Which one of the statements given in the options is correct in relation to the maintenance and adjustment of 4-stroke, medium speed diesel engines?
The piston ring groove clearances for the oil control ring are unimportant as this ring does not form part of the gas seal.
Liner wear of up to 3% of the bore size is generally acceptable for continued service.
Both the top and bottom shells of a bottom end bearing should be inspected as they can wear due to load reversal during the engine operating cycle.
Timing of inlet and exhaust valves can be correctly set by varying the tappet clearance.
What should be the first indication that the engineroom watchkeepers get that there is oil or water leakage in the engineroom??
They should see it on the tank top or in the bilge well during regular inspections.
Bilge alarm should sound
A low level alarm should sound for one of the oil or water tanks.
They should hear the bilge pump start up automatically.
Your vessel is equipped with fixed rotating tank-cleaning machines in every tank. You have just finished cleaning, in preparation for loading a cargo which is water-sensitive. What should you do with the machines?
It is not necessary to do anything. The amount of moisture remaining in a tank-cleaning machine could not affect the quality of the cargo in any way.
Ensure they are thoroughly drained down and blown through, using de-humidified air or nitrogen as applicable.
The nozzles and drain holes should be plugged.
They should be removed from the tank.
What is the correct definition of "gangway"?
Portable bridge between ship and shore.
A way to handle gangs.
A gangway to the waterline.
The way between two gangs.
What signal may be given by sound and by light to indicate that a vessel fails to understand the intentions or actions of another vessel, or is in doubt that sufficient action is being taken by the other to avoid collision?
Five prolonged blasts (flashes).
Three short and rapid blasts (flashes).
One prolonged blast (flash), followed by five or more short and rapid blasts (flashes)
Five short and rapid blasts (flashes).
On a RoRo vessel, what is the Maximum Securing Load of reusable use wire ropes?
30% of the breaking strength
40% of the breaking strength
25% of the breaking strength
What would the Master require of the Chief Officer?
The Master would require the Chief Officer to organise a lifeboat drill
The Master would require the Chief Officer to repair the lifeboat engine
The Master would require the Chief Officer to test the lifeboat engine
The Master would require the Chief Officer to replace the lifeboat painter
Why is it important for hatch coaming compression bars to be maintained in good order?
So that hatch covers remain water tight
So that water can drain out from the hatch coaming drains
So that there is no steel contact between the hatch covers and hatch coaming
So that hatches can be properly sealed
Telephones are being used to communicate between personnel onboard and ashore during a bunkering operation. What instruction would you give to ship personnel regarding action to take in the event of failure of the telephone communication during the operation?
Use a crewmember as a messenger between personnel involved in the operation.
Slow down the bunkering rate until alternative reliable communications are established.
Stop the bunkering until alternative reliable communications are established
Call the electrician, and get him to repair the telephone while the bunkering operation continues.
You have just started to load Dicyclopentadiene to 5 port and starboard cargo tanks, but no cargo seems to be coming into the tanks. What will you do?
Stop cargo - notify the Duty Officer and / or the terminal dependng on the agreed communication procedure. Re-check the lines, valves and connections carefully, bearing in mind that there might be a build-up of pressure. Advise as appropriate.
Open the main lid on the tank and use a flashlight to try and see if there is a problem with the pump or line inside.
Carefully slack the bolts back on the connections, working initially on the off-shore mainifold, to determine how far the pressure extends in the ship's pipeline system, to determine which valve is giving the problem.
Re-check all valves. Just say nothing and open it, if one is found closed.
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
It is required that a crewman enters a refrigerated compartment containing produce at minus 60 degrees Celsius. Which of the items of personal protective equipment given in the options is the most important for the crewman to wear?
A hard hat.
Thermal underwear.
Insulated gloves.
Insulated overalls
What is important to wear for all officers and crew when working on the ro-ro deck during loading and discharging?
If the car decks are empty, it will be easier for the crew to locate all passengers in case of an emergency
In case of an emergency situation it can be difficult for passengers to escape. Vehicles, lorries, trailers and other cargo are maybe lashed and it is a substantial chance for passengers to get injured. Vehicles and other cargo might also shift when the ship is rolling.
To prevent burglary and damage to cars
Vehicles and other cargo can shift when the ship is rolling. Persons may be trapped between vehicles or cargo.
When refitting the bolts into a flange on a steam line how should the bolts be prepared so that they can be easily removed next time maintenance is required?
Coat the threads in graphite based grease.
Fit the bolts dry with a spring washer.
Apply thread tape to the bolt threads.
Coat the threads in general purpose grease.
On a Container vessel, how would you deal with a containerised scrap metal fire?
Cool the container using seawater
Allow the cargo to smoulder
Extinguish by smothering
Extinguish using seawater
In a cascade type direct cooling plant, as fitted to some liquefied gas carriers for cargo reliquefaction duties, a refrigerant gas is used to give final cooling and condensation of the cargo vapours. What level of refrigerant would you expect to see in the liquid receiver sight glass when the plant is operating at normal load?
The sight glass should be 10 -30% full.
The sight glass would normally be completely empty when the plant is on load.
The sight glass would normally be completely filled when the plant is on load.
The sight glass should be 80 - 95% full.
At sea the fire detection system on the bridge activates and indicates smoke present in No 1 Hold of a General Cargo ship; what action should be taken?
Call Master , sound General Alarm, muster crew and prepare to investigate
Call Chief Officer to investigate initially
Assessment not required at this stage
Investigate by sending lookout to check space
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.
Passenger ships have a normal requirement of 1 lifejacket per person + 10% for children. In addition to this, how many lifejackets have to be stowed in conspicuous places on deck or at the muster stations?
5% extra
50% extra
25% extra
10% extra
How frequently should the PA-system (Public Address) be tested?
Every day
Every year
Every second year
Every week
What percentage of anti-freeze fluid is added to the L.P.G. compressor cooling-water system?
60 %
25%
10%
90%
What is the function of the ESD on a gas carrier?
The function of the ESD is to close loading valves, switch of power to cargo compressors and pumps
The function of the ESD is to start cargo compressors or pumps
The function of the ESD is to close loading valves, switch of power to cargo compressors
The function of the ESD is to switch of power to cargo compressors and pumps
The main engine is running steady. What is the normal shut down pressure for "Lub.oil inlet to main bearings"?
0,5 Bar
0,2 Bar
2,0 Bar
1,0 Bar
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
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 these items of container lashing equipment is prone to sudden failure?
Fully automatic twistlocks
Semi automatic twistlocks
Twistlocks
Midlocks
What should one consider prior to loading machinery with caterpillar crawlers on the hatch covers?
The horizontal restraint of hatch covers
The horizontal restraint of hatch coamings
Maximum permissible loading of the hatch covers and the horizontal restraint of hatch covers and coamings
Maximum permissible loading of the hatch covers
Fluid-driven eductors (as commonly found on crude oil tankers), operate on a principle known as Bernoulli's principle. What does that state?
The increase in pressure at the eductor inlet is inversely proportional to the decrease in pressure as measured at the discharge orifice.
The volume of a fluid increases as the pressure in it decreases.
The discharge rate is inversely proportional to the pressure applied in the drive inlet.
The speed of a moving fluid increases as the pressure in the fluid decreases.
What area of an ordinary cook's knife is most likely to contain trapped particles of food and will require particular attention when it is being washed and cleaned?
The area where the blade is fiited into the handle.
The back edge of the blade.
The tip or point of the blade.
The area that has been gripped by the fingers and palm of the hand.
The range of a transducer is 0-200 bar. The output signal is 4-20 mA. What is the span of the output signal.
20 mA
4 mA
24 mA
16 mA
What is the purpose of adding inhibitor to the individual cargo?
To avoid humidity in cargo tanks.
To avoid radicals building up in cargo tanks.
To assure all oxygen is removed from cargo tank and avoid chemical reaction.
To avoid explosive (flammable) area in cargo tanks.
Routine maintenance insulation testing of a three - phase induction motor should cover which measurements?
AA-E, ZZ-E
U1-U2, V1-V2, W1-W2, U-E, V-E,W-E
U-V-W-E
U-E, V-E, W-E, U-V,V-W, W-U
During inspection of a high pressure fuel pump for a medium speed diesel engine it is observed that the upper leading edge and the lower helical edge of the pump plunger have suffered from erosion damage. Select the correct action to take to remedy this from the options given.
Replace the complete pump with a new or reconditioned spare.
Renew the plunger and barrel insert as a pair.
Smooth away the damaged area with a grinder and polishing stone and refit it.
Renew only the plunger if the barrel appears undamaged.
What should be continuously monitored when carrying DRI cargoes?
Hydrogen emissions
Integrity of the inert gas blanket
Nitrogen emissions
Cargo temperatures
Many liquefied gas carriers are fitted with inert gas generators to supply inert gas to ensure the atmospheres of various onboard spaces are non-flammable. How is cargo vapour from these spaces prevented from back-flowing into the inert gas generator and creating an explosion risk?
The deck IG main is always manually blanked off when the IG system is not running.
There are at least two mechanical non-return devices fitted to the deck IG main.
There is always a deck water seal fitted to the IG main.
The pressure at the generator outlet is always greater than that of the IG main.
What are the properties of IMDG Class 4 (Flammable Solids) cargoes?
These cargoes emit flammable gases
These cargoes are liable to spontaneous combustion
These cargoes are liable to spontaneous combustion or when in contact with water emit flammable gases
These cargoes emit toxic gases
When starting three phase induction motors there is sometimes a need to use a star-delta starter. A star-delta starter exhibits which of the following characteristics while connected in star.
Reduced current and increased voltage
Reduced current and reduced torque
Reduced current and reduced voltage
Increased current and power
What Class notation denotes an oil tanker, combination carrier, chemical tanker, bulk carrier or ore carrier considered suitable for sea-going service, built or accepted into class in accordance with the society's rules and regulations, maintained in good and efficient condition, having on board anchoring and mooring equipment in accordance with the rules and subject to an enhanced survey programme?
300A1ESP.
100A1ESP.
100A1IWS.
100N.
You have just collected some fresh provisions from the storeroom below the galley. As you are coming back up the stairway, you slip and fall, dropping the provisions and scratching your leg, causing minor bleeding. Which of the following will you now do?
I will say nothing, as the accident did not take place in the galley and was my own faulty anyway; I will pick up the provisions I dropped and carry on as usual; I will look at the scratches when I get a break.
I will tell the Chief Cook and let him decide whether to report or record it; we will use all of the provisions as usual, as the cooking process will ensure any contamination or damage is neutralised.
I will report the incident; I will obtain first aid; I will ensure an entry is made in the accident log; I will ensure all the provisions are inspected for damage and any bruised, broken or contaminated goods are discarded.
I will tell my colleagues in the galley that I slipped but that I am OK; I will not mention that I dropped any provisions and will just wash any items that dropped onto the deck.
The turbocharger on a diesel engine is surging and making occasional, loud "whoofing" noises. Which one of the options given is the most probable cause of this?
Engine on bridge control.
Rapid changes in engine load due to rough sea conditions.
Exhaust system recently cleaned.
Air leakage from scavenge receiver.
What is static amplifying
Change in input signal divided by change in output signal
Change in output signal divided by change in input signal
Corresponding change in signals
Change in input signal times change in output signal
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
Read the text in the diagram and answer this question: What should be given to prospective seafarers?
Approved training in survival techniques
Passport and visa
Recommendations
Survival and protective clothing
The majority of large slow speed diesel engines used for main propulsion purposes are direct drive to a fixed pitch propeller? What is the main reason for this arrangement?
The amount of power that needs to be transmitted would overload a gearbox.
A fixed pitch propeller can operate with reasonable efficiency at the same sort of speed as the engine.
There is usually only one engine sin this arrangement and so clutches are not required.
Controllable pitch propellers cannot be used with large slow speed diesel engines which can be reversed.
A refrigeration plant is short cycling even though there is plenty of refrigerant in the system and all of the rooms are above temperature. From the options give select the one which is the most likely cause of the problem?
Low oil level in the sump causing the automatic low oil pressure cut out to operate.
Blocked filter drier causing the automatic low pressure cut out to operate.
Insufficient cooling water flow through the condenser causing the automatic high pressure cut out to operate.
Ice formation in the meat room evaporator coil causing the automatic low pressure cut out to operate.
Which of the following terms may be used to describe a cloth or paper towel which picks up water or spilled liquid easily and effectively?
Nonabsorbent
Adhesive
Transparent
Absorbent
A ships 3 - phase a.c. system has 440 V and 220 V sections. The effect of a single short circuit fault to earth on a 220 V line will cause which of the following earth lamp indications:
In 440 V section: all lamps equally bright. In 220 V section: Two lamps bright one lamp dark.
In 440 section: All lamps equally bright. In 220 section: All lamps dark.
In 440 V section: All lamps equally bright. In 220 V section: One lamp dim.
In 440 V section: One lamp dim. In 220 V section: One lamp dim.
What is the minimum Initial Transverse Metacentric Height (GM) allowed under the International Load Line Rules?
2.5 metres
0.5 metres
0.15 metres
1.0 metre
The remote reading temperature gauge for the meat room is reading a higher temperature than the local liquid in glass thermometer. When removed and tested the remote gauge is found to be reading accurately. Which of the options given is the most likely cause of this discrepancy?
The liquid in glass thermometer is reading incorrectly.
The liquid in glass thermometer is positioned in a relative 'cold spot' in the meat room.
The sensing bulb for the remote gauge is placed in a relative 'local hot spot' inside the meat room.
The lagging for the capillary tube from the sensing bulb to the temperature gauge outside of the meat room is too thick causing the tube to heat up.
How many carbon atoms are there in solid materials?
Above 16 carbon atoms.
I don't know.
From 5 to 16 carbon atoms.
Up to 4 carbon atoms.
Which international convention deals with fire-fighting equipment etc.
Load Line convention
CRISTAL
SOLAS
MARPOL
To supervise the pressure conditions in the cargo tanks, a special device is fitted for this purpose. What is it called?
Supervising valve.
Negative/positive pressure valve.
Tank atmosphere control valve.
Pressure/vacuum valve.
Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.