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Home Online tests CES Oil tanker Deck Support Test online CES 5.1 for Deck department, Support level, Oil tanker vessel
Online testing: Test online CES 5.1 for Deck department, Support level, Oil tanker vessel
Online test
Description
The test consists of random questions on a selected topic.
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The position that is determined by built in GPS-receiver in an Inmarsat-EPIRB has an accuracy of about:
1200 meters
2200 meters
4200 meters
200 meters
What is false regarding the function :” Transmission and reception of signals for locating ”
On area A2 this function is based on the use of SART transponders
On all areas this function is based on the use of S band radars
On area A3 and A4 this function is based on the use of SARSAT COSPAS Epirb
On area A1 this function is based on the use of SART transponders
By “collect call” is meant:
a call for account of the receiver
an urgent call
Don't know
a group call
There are three levels of burning, namely:*Superficial *Intermediate*Deep burns (also called full-thickness burns) A large burn will almost certainly contain areas of all three grades. How many per cent of the body may be burned before the danger of lifethreatning shock occurs?
15 percent.
4 percent.
9 percent.
35 percent.
With a "good" GPS satellite position fix it is possible to achieve an accuracy of:
20 - 100 meters.
250 - 500 meters.
2 nautical miles.
1nautical mile.
Once a ship (equipped with self-stowing auto-tension winches) is moored alongside a loading or discharging berth, it is recommended that:
All winches to be left with the manual brake on and out of gear.
All mooring winches be left in 'auto-tension' mode
The 'spring' winches be left in the auto-tension mode and all other winches with the manual brake on
The 'breastline' and 'headline' winches be left in the auto-tension mode and spring winches with manual brake on
While navigating using a paper chart marked WGS84 the OOW plots the ships position by four different methods and they all give slightly different positions. Which of the following would be considered the most accurate.
Radar ranges from two radar destinctive headlands
GPS set on WGS84 datum
Bearing and distance from a navigation buoy close to the vessel
Gyro compass bearings from two lighthouses
Which one of the listed requirements regarding life-saving appliances corresponds to present regulations?
All prescribed life-saving appliances shall be made of non-combustible or fire retardant material
All prescribed life-saving appliances shall have marking in red colour
All prescribed life-saving appliances shall be of such a colour that they are in contrast to the surrounding colour
All prescribed life-saving appliances shall be fitted with the manufacturers name and Logo
The manually controlled inside lamp must be capable of working at minimum for a period of:
18 h
12 h
6 h
24 h
When mustered to an abandon ship drill, what is the first thing you do when entering the muster station?
Wait for the order to put on your life jacket
Pick up a life jacket
Wait for orders
Report your presence
The training manual shall contain instructions and information in easily understood terms and illustrated wherever possible. Which of the following objects do not have to be explained in detail in the manual according to present regulations?
Muster of assigned stations
Donning of lifejackets and immersion suits
Boarding, launching and clearing of the survival crafts and rescue boats
Donning of fire protection clothing
"A contractor is hired to install new navigation equipment onboard your ship while it’s berthed. For a period of time he’s left unsupervised and photographs schematics of the ship that he finds rolled up and stored in the corner of a nearby office. Later, from home, he hacks into the network and prints off information about the ship’s security procedures. Which of these information security measures would have prevented his unauthorized access?"
"Protective markings, reference checks, and passwords."
"Secure area, passwords, a firewall and a secure network."
"Firewall, protective markings, vetting and a secure network."
"Secure area, passwords, a firewall and protective markings."
You are burning garbage containing plastics. What shall you do with the ashes from the vessel's incinerator?
Discharge at sea providing you are not in any river or estuary
Discharge the ashes at sea providing you are more than 25 nautical miles offshore
Discharge the ashes to a shore facility
Nothing, ashes from any substance which is incinerated can be discharged over board
What action should be taken if the inert gas plant fails during discharge of a liquefied gas cargo?
Slow down the discharge rate until the IG plant is working again.
Open the atmospheric vents to prevent a vacuum in the cargo tanks.
Stop all cargo operations and inform the terminal.
Open the vapour return line from shore to prevent a vacuum in the cargo tanks.
What is the purpose of the deck water seal on the deck of an oil tanker?
To prevent the passage of petroleum gases back to the machinery spaces.
To automatically compensate for temporary fluctuations in inert gas pressure within the cargo spaces.
To provide a second washing cycle to inert gas.
To automatically adjust the inert gas flow.
The crane on a General Cargo Ship is designed for Grab Service with a hoisting load of 16 tonnes including grab weight. Grab weight: 8 tons, Grab cubic: 10 m3. You are going to discharge a cargo of dry minerals having a stowage factor of between 0.7 - 0
16 tonnes.
7 tonnes.
8 tonnes.
15 tonnes.
Who is responsible for ensuring your ship completes a security assessment?
Ship Security Officer
Flag State Administration
Company Security Officer
Recognized Security Organization
Which of these is not covered in the chain register?
Deck cranes
The engine room gantry crane
Derricks
The gangway winch
Training manuals for Life Saving Appliances and Fire Fighting systems and equipment shall be provided in crew mess room, recreation room or in each crew cabin. The training manuals shall explain the following in detail:
General Emergency procedures
Emergency procedures including alarm signals, general instructions and safety practice onboard, specific information on equipment, operation of equipment
Alarm signals and donning of lifjackets
Manufacturer's specific information on equipment including maintenance procedures, operation of equipment
You have just completed your cargo watch on deck, during which you have been working around the manifold, connecting and disconnecting hoses, etc. It is meal-time. Should you take any precautions before entering the messroom and why?
I will remove my overalls and work boots and wash my hands, to avoid the risk of introducing chemical contaminants into the accommodation.
No, I am just going in for my lunch and then returning to work on deck, so it would be a waste of time to get changed.
I will wipe my boots and brush down my coveralls before entering the accommodation, to make sure I don't bring any dirt inside.
I will remove my overalls and workboots, because I will get in trouble from the captain if he catches me in work clothes in the messroom.
Why are crankcase heaters fitted to freon compressors?
To stop oil from thickening.
None of the mentioned alternatives.
To prevent freon condensing when the compressor is stopped.
To boil off any water.
What are cargo residues considered as under MARPOL 73/78?
Marine Pollutants
Oily mixtures
Garbage
Wastes
Why is air draught an important consideration when loading bulk cargoes on Bulk Carriers?
Because the vessel may pass under a bridge(s) whilst approaching or leaving the berth
Because of the vessel's movement whilst berthing or unberthing
Because of variations in under keel clearances whilst alongside the berth
Because of movement of the bulk cargo loader or unloaders
Pasta is often referred to as "al dente". What does this mean?
Coated with oil before boiling.
Part cooked.
Tender, but slightly firm to the bite.
Served separately from other ingredients.
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
Can containers carried on multi-purpose or general cargo ships be lashed with lashing wires and chains?
Yes, if provided for in the vessel’s Cargo Securing Manual (CSM)
Yes, always
No
Yes, together with dedicated container lashing equipment
A vessel is carrying a refrigerated cargo under controlled atmosphere (CA). From the options given select the most appropriate degree of opening of the air change vents while operating under CA.
50%
100%
0%
25%
What does MARVS mean on a cargo tank?
Maximum Allowed Relive Valve Setting.
Minimum Allowed Relive Valve Setting.
Maximum Recovery System.
Maximum ROB of Vapour.
What is the purpose of the special two-way valves mounted on towers at a given height above the cargo deck of a chemical tanker?
They contain sensors which activate the high-level alarms.
When set, they ensure that the authorised cargo loading or discharge rates (as specified in the vessel's Certificate of Fitness) are not exceeded.
When correctly set, they prevent the level of cargo within a tank from changing as the temperature changes.
When appropriately set, they automatically prevent excessive pressure in a cargo tank (carrying harmful vapours away at a safe height) and relieve excessive vacuum.
Normally ventilation fans in enclosed ro-ro spaces must be run continuously whenever vehicles are on board, why?
An increased number of air changes may be required when vehicles are being loaded or unloaded, or where flammable gases or liquids are stowed in closed ro-ro spaces
The manufacturer of the fans recommends continuous operation to reduce maintenance cost
It is better to run the fans continuously instead of testing the atmosphere
It is easier for the crew, they don't have to think about starting and stopping of fans
What is the full name of the International Convention dealing with stability of passenger ships?
The International Convention for the Safety of Life at Sea
International Safety Management code
SOLAS
ISPS
During synchronising, the incoming generator should be running slightly "fast" compared to the busbar frequency.This is to ensure that the:
Incomer picks up as a generator
Incomers reverse power trip is tested
Incomer picks up as a motor
Most rapid synchronising action is achieved
The primary and secondary insulation spaces of each LNG cargo tank are provided with pressure relief valves. What is the normal set point of the relief valves for these spaces?
20 mbar.
15 mbar.
10 mbar.
5 mbar.
Many large 2 stroke marine diesel engines are equipped with an auxiliary scavenge air blower. What is the purpose of this equipment?
To provide combustion air at start up, during manouevring and low load running when the turbocharger delivery is insufficient.
To assist the main turbochargers in supplying combustion air when on full load.
To help cool the engine after it has been stopped.
To allow full load running when the main turbocharger is defective..
Which of the following detectors would you choose for measuring the torque of a steel shaft?
Pyrometer
Strain gauge
Ultrasonic gauge
Synchro
On a container vessel, what dictates the roll angle and natural roll period of the ship?
Wave conditions
Hull form
Transverse distribution of container stack weights
Metacentric height
What does the 1 Engineer want to have done?
He wants the feed water tank inspected
He wants the Fitter to Check the CO 2 equipment
He wants the feed water tank cleaned
He wants the heating coils inspected
Why does MARPOL require debottoming of tanks prior to COW?
To prevent electrostatic generation
In order not to mix crude and water
To prevent corrosion in COW machines and COW piping
To prevent corrosion of tanks
When connecting the loading/discharging hoses/arms prior to cargo operations, it is quite common that a reducer is required. What is the name given to the part of the ship's pipeline onto which the reducer is fitted?
Presentation flange
Manifold valve face
Open flange
Discharge coupling
What is the reason for gassing up cargo tanks before loading?
Cooling down cargo tanks.
Removal of inert gas from cargo tanks.
Reduce CO2 content in cargo tanks.
Decrease oxygen content in cargo tanks.
On a Container vessel, what problem is associated with the use of twistlocks?
Freedom to slide when the vessel is rolling an pitching
Susceptibility to wear and tear
Fracturing during rolling and pitching in high seas
Left hand and right hand types exist, causing uncertainty whether a fitting is locked or open
What collective culinary term is given to the internal organs of a butchered animal, such as the heart, kidneys, liver, tripe, etc?
Glands.
Offal.
Intestines.
Oval.
What is the full title of the IMO code which applies to all gas carriers built after 1986?
The International Code for Ships Carrying Liquefied Gases in Bulk (the IGC code)
The Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (the GC Code)
The Code for Existing Ships Carrying Liquefied Gases in Bulk (the Existing Ship Code)
The International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (the IGC Code)
The use of steam driven ejectors for ventilation of cargo tanks having flammable vapours in them is not recommended now-a-days due to:
Steam at high velocities may generate static electricity which might cause incentive sparks?
It being not a very effective system for tank ventilation?
It is rather expensive to waste steam?
It might cause burns to unwary personnel?
In a crisis, which crew behaviours are most reassuring to passengers?
keeping up with safety knowledge
enthusiasm, confidence, hospitality
dependability
enthusiasm, confidence, decisiveness
You are on a sailing vessel, underway in open water. This vessel is sighted on the starboard bow, on a steady bearing and the distance is closing. By the International Regulations for the Preventing Collisions at Sea, what action will you follow?
This vessel is clearly a power-driven vessel and I anticipate that the bearing will therefore close and she will pass ahead at a safe distance.
Risk of collision is deemed to exist and, as the other vessel is on a steady bearing on my starboard side, I am required to keep out of the way. I will make a broad alteration of course to starboard.
Risk of collision is deemed to exist and, as the other vessel is on a steady bearing on my starboard side, I will maintain my course and speed.
By Rule 18, a power-driven vessel underway shall keep out of the way of a sailing vessel. I will maintain my course and speed, but will continue to monitor situation to ensure the other vessel takes avoiding action.
Which of the following is a false statement in relation to; the best advice to a first aider is to:
Call the doctor immediately
Control the bleeding
Restore breathing and heart beat of the patient
If necessary remove the casualty from the danger
When is track line search normally used?
When the position of the search object is accurate
When a vessel or aircraft has disappeared without a trace
When the position of the search object is not accurate
When a direct communication between the search object and the search facility is available
Anyone who makes or permits a false entry to be made in the log book, shall be liable to fines or imprisonment for a term not exceeding 1 year according to:
The International Maritime Organization's Act of Maritime Activities
The Ship Safety and Security Act, Section 65..
The Public Administration Act
The Maritime Act
On a Container vessel, what should a crew member do if a tank container on deck is found with a leaking valve?
Close the leaking valve
Wash away the leaking contents immediately
Raise an alarm
Report it immediately to the duty officer
During inspection of the crankshaft of a medium speed diesel engine cracks are discovered at one of the main journal pins. The cracks originate from one of the oil holes and are progressing along the pin at approximately 45 degrees to the axis. From the options given select the most likely failure mode that would cause this.
Torsional fatigue due to excessive torsional vibration in the crankshaft.
Shear due to excessive loading of the crankshaft.
Fatigue due to repeated excessive bending of the crankshaft.
Erosion due to excessive oil flow through the oil hole in the crankshaft pin.
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
What type of damage does a cargo of steel coils sustain when loaded on a General Cargo ship?
Chemical reactions between the steel banding and outer envelope
Bending
Tearing
Crushing and distortion
What does heaving result in?
Shearing of container twistlocks
Vertical accelerations acting along container corner posts
Tipping of containers
Longitudinal accelerations acting on hatch pontoons
Where does the excess steam discharge to when the boiler safety valves operate due to the boiler pressure being too high.
The main condenser
The engineroom bilges
The auxiliary condenser
The atmosphere via the atmospheric line
According to the specification for Oil Discharge Monitoring and Control Systems for oil tankers laid down by IMO, which of the following is the definition of an 'overboard discharge control'?
A system which receives automatic signals of oil content, flow rate, ship's speed, ship's position, date and time.
A system which monitors the discharge into the sea of oily ballast or other oil-contaminated water from the cargo tank areas.
A facility which prevents the initiation of the opening of the discharge valve or the operation of other equivalent arrangements before the monitoring system is fully operational.
A device which automatically initiates the sequence to stop the overboard discharge of the effluent in alarm conditions and prevents the discharge throughout the period the alarm prevails.
With regard to the IMDG Code what do Calcium Oxide (UN No. 1910), Magnetized Material (UN No. 2807), Sodium Aluminate (UN No. 2812) and Battery Powered Equipment (UN No. 3171) have in common?
They are listed as Corrosive Substances - IMDG Class 8
They are not listed in the IMDG Code
Due to their characteristics they may be shipped in open top containers
They are not subject to the provisions of the IMDG Code but may be subject to provisions governing the transport of dangerous goods by other modes
Which of the given options is a common alternative name, or synonym, for Methane?
Dimethyl.
Marsh gas.
Oxirane.
Methyl methane.
Following overhaul of the cylinder units of a 4-stroke diesel engine and a suitable running in period it is noted that the lubricating oil consumption of the engine has increased considerably and unexpectedly. The engine is otherwise running normally. Select, from the options given, the most likely cause of this problem.
A piston crown has burnt through
The oil control ring has been fitted incorrectly.
The piston rings have worn rapidly.
The cylinder liner has worn rapidly.
From which locations is it normally possible to close watertight doors?
A watertight door can only be closed by a control adjacent to the door
Watertight doors can be closed locally and also a remote control station within the accommodation
Watertight doors can be closed adjacent to the door and remotely from bridge and also one emergency remote control station
Watertight doors can be closed from the bridge and an alarm sounds at the door
In the ISGOTT Guide, petroleum products are divided into two general groups for the purposes of indicating flammability, based on flashpoint and vapour pressure. These two groups are named 'Volatile' and 'Non-volatile'. To be considered Non-volatile, which of the following criteria must be met?
With a Flashpoint of 60 degrees C or above (open cup method), these liquids produce, when at any normal ambient temperature, equilibrium gas concentrations above the Upper Flammable Limit.
With a Flashpoint of 60 degrees C or below (closed cup method), these liquids produce, when equal to or below any ambient temperature, gas concentrations of less than 5% by volume.
With a Flashpoint of 37.8 degrees C or above (open cup method), these liquids produce, when at any normal ambient pressure, equilibrium gas concentrations below the Lower Flammable Limit.
With a Flashpoint of 60 degrees C or above (closed cup method), these liquids produce, when at any normal ambient temperature, equilibrium gas concentrations below the Lower Flammable Limit.
Car decks on board ro-ro passenger ships are nomally closed during sea passage. Why are passengers not allowed to be on the car-deck during sailing?
Vehicles and other cargo can shift when the ship is rolling. Persons may be trapped between vehicles or cargo.
To prevent burglary and damage to cars
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.
Will it matter to the accuracy of the measurement how you install a resistance element in a thermo-well
Will only result in mechanical problems
No influence at all
Will have a minor influence on the measurement
Wrong installation will result in a major deviation in measurement
What strength of lashing belts should be used to secure light motor vehicles on a RoRo vessel?
Breaking stress 1.5 to 1.8 tonnes
Breaking stress 2.0 to 2.3 tonnes
Breaking stress 1.2 to 1.5 tonnes
Breaking stress 4.5 to 5.0 tonnes
What is the recommended method of identifying galley utensils, such as knives, chopping boards and containers, that are dedicated to the preparation of specific types of food?
All galley utensils can be used for the preparation of any foodstuffs, so there is no need to dedicate or identify them in any way.
By making only one person responsible for issuing all utensils and tools in the galley.
A standard colour coding system.
By storing them in individual drawers or lockers.
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%
Marine diesel engines are normally provided with automatic protection devices which operate in the event of abnormal conditions arising. Why would medium speed engines used for main propulsion normally only automatically slow down for certain abnormal conditions but automatically shut down for the same conditions when used to drive an alternator?
The gearbox and clutch of the propulsion system may be damaged if the engine suddenly stopped.
Sudden total loss of propulsive power may seriously endanger the vessel. This is a greater risk than engine damage.
Since the engine used for propulsion would usually be bigger the sudden stop would generate greater thermal stress which may damage the engine.
The vessel could continue to operate and manoeuvre without any electrical power at all as long as the main engine is still running.
A piston ring set for a trunk piston engine often includes a slotted ring tensioned by an internal spring. What is the purpose of this type of piston ring?
It is an oil control ring.
It is a ring to seal the crankcase from the combustion chamber.
It is the firing ring.
It is the lowest compression ring.
In the circuit diagram shown the starter connects between which terminals?
3 and 4
7 and 8
1and 2
5 and 6
On a Container vessel, why must duty crew members supervise the lashing of containers?
Because stevedores often apply container lashings haphazardly or place twistlocks incorrectly
Because of local port regulations
Because of time constraints on the vessel towards the end of cargo operations
Because it is an international requirement under the ISM Code
What can be the punishment for a shipmaster of a Norwegian ship if he without sufficient cause refuses to receive onboard persons for whom Norwegian authorities must provide transportation?
He shall be liable to imprisonment for a term not exceeding six months.
He shall be liable to fines or imprisonment for a term not exceeding six months.
He shall be liable to fines or imprisonment for a term not exceeding three months.
He shall be liable to fines.
What factors do you consider as important before mooring a vessel?
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
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
Why should ro-ro units with small overhead clearances be driven at very slow speed?
To comply with the cargo manufacturer’s instructions
To prevent damaging the vessel’s fixed deck lashing points
To prevent contact with a deckhead or overhead obstruction
To prevent tyre damage
What is the purpose of an evacuation analysis?
To provide port state control inspectors with reports
To provide the passengers with written results of the analysis
To identify and eliminate, as far as practicable, congestion which may develop during an abandonment
To ensure the ship can be evacuated in less than 30 minutes
What name is applied to foods that have been prepared according to Jewish law?
Roaster.
Israelish.
Mosher.
Kosher.
Which of these statements is correct?
Steel slabs may rest directly against the ship’s frames
Steel slabs do not require dunnage
Steel slabs may be loaded within the square of the hatch only
Steel slabs must never be permitted to rest directly against any part of the ship’s structure
Why is it important to recognize the language of the passengers?
Enables you to communicate with them during normal operation.
Enables you to inform all passengers about arrival time.
So that you are able to address all their needs.
Enables you to communicate with them during normal operation and in an emergency.
What type of component does this graphical symbol illustrate?
Pressure-reducing regulator.
Pressure relief valve
Flow controller
Pressure switch
What is the purpose of Material Safety Data Sheets?
To provide all personnel including emergency personnel with procedures for handling or working with that substance in a safe manner
To provide personnel in deck- and engine department with procedures for handling or working with that substance in a safe manner
To provide the safety officer with procedures for handling or working with that substance in a safe manner
To determine if the substance is flammable or not
What are the immediate duties of the bridge Officer of the Watch when the ship suddenly runs into a fog bank?
Commence sounding the fog signal and reduce speed to Slow Ahead
Commence sounding the fog signal and call the Master and wait for him to arrive before taking any further actions
Commence sounding the fog signal and if the radar indicates no echoes in the vicinity, proceed at the normal speed until ships are detected on the radar or until the fog lifts
Commence sounding the fog signal, engines on standby, call the Master and lookout, if not already on duty
In describing the characteristics of oil cargoes or oil / water slops, what is a mercaptan?
The component of hydrocarbon-based cargoes which is formed from Merolion Carbonized Tannin.
A device fitted to a cargo pump which automatically alerts the operator once traces of water start to be detected during discharge.
A chemical additive blended with crude oil to inhibit the natural "rotton egg" smell associated with certain grades.
A colourless, odorous gas, with a smell similar to rotting cabbage and which is generated naturally by the degredation of natural organisms, as may be found where water has remained under oil for a long time.
Frozen cargo such as lamb carcasses requires careful loading to ensure a neat and tight stow in the hold and requires the crew and stevedores to have considerable skill to achieve this. Which of the options given is the main reason for this?
The carcasses are difficult to pick up when handling.
The carcasses are heavy.
The carcasses are of an irregular shape.
The carcasses are often large.
The bottom end bolts employed in 4 stroke diesel engines are usually given a finite life and must be replaced periodically. What would be the normal failure mode that would affect these bolts if they were not replaced as required?
Failure due to torsional stresses
Failure due to bending stresses
Failure due to fatigue stresses
Failure due to tensile stresses
It is necessary, prior to loading a refrigerated cargo on a conventional reefer vessel, to prove that the hold bilges are clear and that the bilge system is functioning correctly. Which of the cargo types given in the options would be expected to produce the most water during a voyage?
A cargo of fruit loaded at field temperature.
A cargo of fruit loaded pre-cooled.
A cargo of hard frozen perishable goods.
A cargo of chilled meat.
If you have to carry out hot work close to a smoke detector in the engine room, what precautions should be taken?
Notify Master, Deck officer and engineer in charge.The loop for the smoke detector to be switched off and take normal precautions for hot work.
Notify deck officer in charge that a fire alarm may occur.
No special precautions except for having a watch man and a fire extinguisher available.
Disconnect or cover up the smoke detector.
The "dew point" of a liquid chemical is often quoted in the documentation relating to its loading and carriage. Which of the following is a definition of "dew point"?
The temperature at which a gas is saturated with respect to a condensable component, as in operational terms is seen at the point when air is saturated with moisture.
The temperature at which dry-ice melts in Acetone.
The temperature at which a condensable component is saturated with respect to a gas, as in operational terms is seen at the point when moisture no longer detectable in air.
The temperature at which a saturated gas exhibits condensation.
A mixed cargo of hard frozen products is to be loaded in layers into one deep cargo space on a conventional reefer vessel. The products are steel drums of frozen orange juice, frozen meat in cartons and frozen beef hocks in muslin. What would be the best position for loading the drums of orange juice?
In the middle layer.
In the bottom layer.
Since all the cargo is hard frozen it doesn't matter which layer the orange juice is loaded.
In the top layer.
How many two-way VHF radiotelephone apparatus shall be provided on board a ro-ro passenger ship of 500 gross tonnage and upwards?
3
2
It is required to have a fixed two-way VHF fitted in a survival craft
One for each survival craft
On the figure there are four (4) possible directions, shown by the arrowed lines, which could be the correct direction associated with the term "HEAD LINE". Which one is the correct one?
Head line is given by D on the figure
Head line is given by C on the figure
Head line is given by A on the figure
Head line is given by B on the figure
What is the purpose of an evacuation analysis?
o provide port state control inspectors with reports
To ensure the ship can be evacuated in less than 30 minutes
To provide the passengers with written results of the analysis
To identify and eliminate, as far as practicable, congestion which may develop during an abandonment
This online test consists of 90 random questions from CES 5.1 tests on a topic of your choice.