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Головна Онлайн-тести CES Oil tanker 2nd-Off / 3rd-Off Test for seamans about Deck department, Operational level, Oil Tanker (CES v6.0)
Онлайн-тестування: Test for seamans about Deck department, Operational level, Oil Tanker (CES v6.0)
Виберіть режим роботи з тестом:
Навчання
Онлайн-тест
Опис
Відгуки
Тест складається із 80 випадкових питань.
Усього питань на цю тему: 689
Усього питань на цю тему: 689
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The “clarifier” has only effect during:
Transmitting in mode J3E.
Receiving in mode J3E.
Transmitting in mode H3E.
Receiving in mode H3E.
Give the meaning of the following symbol:
Start air filling of the davit launched liferaft.
Start air supply.
Start ventilation of the rescue boat.
Start ventilation of the lifeboat.
After completion of loading in a cargo tank, for ensuring that there is no further flow of oil inside the tank, the OOW must:
Periodically check the ullage to guard against any accidental leakages into the completed tank.
Shut off the hydraulic supply to the tank valves and ensure that the valves are not operable any more.
Ensure that there is a 3-valve segregation carried out so that there is no more flow of oil into the tank.
Mark off the closed tank and lock the valve externally, so as to warn the deck watch keepers against accidental loading.
When navigating along a coastline what should be considered the most accurate method of navigating?
Use of radar ranges and bearings.
Passing close to navigational buoys.
Bearings of navigational shore marks such as lighthouses.
Use of Differential GPS.
The log-in of an Inmarsat-C installation is important:
To keep watch on Sat-C for safety messages.
To inform the addressee, that one is available for messages offered.
To inform the LES, that one is available for messages offered.
To inform the NSC that one is available for messages offered.
Which of the answers best summarises the information which should be provided for the bridge Officer of the Watch within an effective Voyage plan?
All of the suggested answers.
Courses to steer; distance off dangers; parallel index lines; expected currents; prevailing winds; distance between alteration points.
Expected prevailing wind and weather.
Contingency arrangements in case of problems.
If a ship in the MF-band wants to have a DSC-connection with a coast-station (no “distress alert” or a test alert) the following frequencies are chosen:
TX: 2 177,0 kHz RX: 2 189,5 kHz.
TX: 2 187,5 kHz RX: 2 182 kHz.
TX: 2 177,0 kHz RX: 2 177,0 kHz.
TX: 2 189,5 kHz RX: 2 177,0 kHz.
You are on a power-driven vessel underway in open water. You sight these lights on the port bow, on a steady bearing. The distance is closing. What are you looking at and what action will you take in compliance with the International Regulations for Preventing Collision at Sea.
This is a power-driven vessel engaged in towing, more than 50 metres in length or less than 50 metres in length and showing a second masthead light, length of tow 200 metres or more, not under command. I will keep clear under rule 27.
I don’t know.
This is a power-driven vessel, more than 50 metres in length or less than 50 metres in length and showing a second masthead light, restricted in her ability to manoeuvre. The sidelight of a second vessel can be seen beyond her. Under rule 18, I am obliged to keep clear of the first vessel and will therefore take appropriate avoiding action.
This is a power-driven vessel engaged in towing, less than 50 metres in length, length of tow under 200 metres and the tow, both being restricted in their ability to manoeuvre, seen from the starboard side. Under rule 18, I am required to keep clear and will take appropriate avoiding action.
What is the purpose of explosimeters?
Check the power of the explosion in a combustion engine.
Measure the amount of explosive gases in % of LEL.
Measure electric charging in the atmosphere.
Check how much time you have before an explosion.
For calling a coast-station by mariphone one should preferably use:
A special calling channel of that coast-station.
A working channel of the nearest shore-station of that coast station.
Channel 70.
Channel 16.
When should operational checks on navigation equipment be done?
As often as possible.
When preparing for sea and entering port and at regular intervals during the voyage.
When there is any sucpicion of a fault with the equipment.
When there is an opportunity and time allows.
How much water would you allow per person as officer in charge of the lifeboat, following an abandon ship operation?
Nothing for the first 24 hours, then 1/2 litre per day (more in the tropics).
Nothing for the first 48 hours, then 1/4 litre per day (more in the tropics).
1/2 litre immediately, followed by 1/4 litre per day (more in the tropics).
Nothing for the first 24 hours, then 1/4 litre per day (more in the tropics).
The responsibility for safety and security rests with everybody on board the vessel. General house-keeping rules should be followed. Which of the listed rules is the most important?
Keep your working area clean and tidy.
Always use gloves when using grinding machines.
Do not carry lighters or matches when working outdoors.
Keep tools within easy reach during work.
A “free flow system” with reference to an oil tanker means:
The vessel is not equipped with its own discharging equipment.
The vessel has no connection between individual cargo tanks.
A vessel without ordinary bottom lines where the cargo flows from tank to tank through bulkhead valves.
A vessel without any cargo lines where the cargo is loaded via portable hoses directly into each tank.
In oil cargo calculations, ASTM table 53A/B is used for:
Finding the density of oil at observed temperature from the given density at 15 °C.
Finding the conversion factor to convert volume in US barrels (bbls) to cubic metres.
Finding the conversion factor to convert volume in cubic metres to US barrels (bbls).
Finding the density of oil at 15 °C from the given density at observed temperature.
A ship is being overtaken by another ship while proceeding along a river. What should be the required procedure?
The overtaking vessel should request permission from the other ship by sounding two prolonged blasts followed by two short blasts on the whistle or by direct VHF contact.
There should be no overtaking in these confined waters.
The overtaking vessel should request permission to overtake from the Port Control VTS.
The overtaking vessel can overtake but must allow sufficient space to reduce the interaction between the two vessels.
With reference to the efficiency of cargo pumps on oil tankers, the abbreviation NPSH stands for:
Necessary Pumping Suction Hazard.
Nominal Pressure Suction Head.
Net Pressure Suction Head.
Natural Pumping Standard Height.
If a nylon mooring rope is immersed in water it undergoes:
No change in strength but some elongation.
No change in strength or length.
A decrease in strength of 20 %.
An increase in strength of 20 %.
The prescribed test of an approved portable VHF radio set (portophone) must be done once a:
Month.
Year.
Week.
Quarter.
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?
There will be no lift force and the ship will go straight astern.
The rudder will have no effect when the ship is making sternway, it should be in the amidships position when going astern.
This will give the stern a lift force to port.
This will give the stern a lift force to starboard.
For how long time should a VHF survival craft transceiver be able to operate on its batteries?
24 hours.
12 hours.
8 hours.
6 hours.
An Inmarsat-C terminal is suitable for:
Store and forward message.
Telephony, fax and data.
Telephony, telex, fax and data.
Telex only.
May liquid fuel, lubricating oil or other flammable oils be carried in a forepeak tank?
Yes.
No.
It depends on the flash point.
It depends on the type of trade of the vessel.
Which one of the listed items has to be included in a distress message?
Weather in immediate vincinity.
Last port of call.
Destination.
Identification of the ship.
By a vessel in distress a SART is used. This SART is seen on the screen of a:
Special radar.
10 Cm radar.
3 Cm radar.
Both 3 Cm and 10 Cm radar.
On board they want to have a dial-phone call via Inmarsat with the Apollogracht. In the guides the following ID’s are found for the Apollogracht: 344320000, 424432010, 424432020, 1300210, 36715. What ID should be chosen?
344320000.
424432010.
424432020.
1300210.
Where should be located the VHF survival craft transceivers during normal operation of the ship?
Near the gangway.
Near the liferaft.
On the lifeboats.
On the bridge.
All designated SAR aircraft and civil aircraft carry equipment operating on the international aeronautical distress frequencies (amplitude modulation). The aeronautical distress frequencies are:
121,5 MHz and/or 243,0 MHz.
243,1 MHz and/or 486,2 MHz.
127,8 MHz and/or 349,6 MHz.
123,8 MHz and/or 247,6 MHz.
Which of the following statements applies to fire doors in main vertical zone bulkheads and stairway enclosures in passenger ships?
All the alternatives are correct.
They shall be capable of being closed from a control station.
They shall be of the self closing type.
They shall be capable of closing with an angle of up to 3,5° opposing closure.
If the strength of the wind is related to the pressure gradient and the space between the isobars, which of the following statements is correct?
Strong winds are found in areas where the isobars are not close together.
The closer the isobars are together the stronger will be the predicted wind.
The wind force is related to the difference in pressures and blows directly between the centres of high and the low pressure.
The pressure gradient is a measurement of the distance between the high and the low pressures and is not associated with isobars.
You are on a power-driven vessel underway in open water. This vessel is sighted wide on the port bow. It’s bearing is opening, but its distance is closing rapidly. Which of the following is a correct assessment of the situation and the action to be taken?
Risk of collision is deemed not to exist and I will maintain my course and speed. I will continue to monitor the situation.
Risk of collision is a possibility. I will maintain my course and speed for now, but be prepared for an alteration of course to port if the CPA seems to be less than 0,2 nm as we draw closer.
Risk of collision is deemed to exist and I will make a broad alteration of course to starboard, sounding one short blast. I will re-assess the situation when the alteration is carried out.
Risk of collision is deemed not to exist. However, to be sure of a safe passing distance, I will reduce my speed to allow the other vessel to pass ahead.
Which of the following two digits codes is used to obtain medical advice?
42.
32.
26.
38.
The one particular hazard to be taken care against, when using portable steam driven blowers for ventilating oil cargo tanks is:
That plastic extension tubes should not be used, in case the top collar overheats and melts, causing the tube to drop into the tank.
That prolonged use may cause the core material of the fan to heat up to a point where it may become a source of ignition.
That the steam outlet must point vertically upwards to avoid possibly burning the legs of passing personnel.
That the exhaust does not vent into the cargo tank, in order to prevent possible build-up of static electricity.
To get priority with radio-communication, one must notify the coast station that the call is:
An urgent call.
A collect call.
A personal call.
A priority call.
The correct functioning of a DSC-modem can be checked by means of:
The obligatory monthly transmission from the RCC’s.
The testing-mode of the ever present VHF-DSC-EPIRB.
The built-in test facility in the modem.
Tester provided with the equipment.
Normally, a vessel sails in salt water and therefore salt water draughts are those which are referred to. If there is a change in density however, this must be taken into account because the true draughts of the ship will change. Which of the definitions below is that of this “Fresh Water Allowance”?
The number of millimetres by which a vessel’s True Mean Draught changes when she passes from salt water to fresh water, or vice versa.
The number of centimetres by which a vessel’s maximum draught is calculated to increase when she passes from salt water to fresh water.
The number of millimetres by which a vessel’s True Mean Draught changes when she passes from salt water into a dock of a different water density.
The allowance assigned by the Classification Society when the vessel is built, to indicate the compensation that may be applied during topping off to allow for dock water density.
What would be understood by the message “A yacht has capsized in heavy seas”?
The message means the vessel is taking in water.
The message means the vessel is experiencing heavy seas and may need assistance.
The message means the yacht has been overturned in heavy seas.
The message means the yacht has lost its Captain in heavy seas.
The “buckling” of strength members of an oil tanker results due to high:
Bending moments.
Transverse forces.
Compressive forces.
Shearing forces.
How will you start a cancelling message after you send by mistake a distress call on your VHF DSC equipment?
PAN-PAN – All Stations – This is “SAINT-ROMAIN”.
SECURITE – All Stations – This is “SAINT-ROMAIN”.
All Stations – This is “SAINT-ROMAIN”.
MAYDAY – All Stations – This is “SAINT-ROMAIN”.
Give the meaning of the following symbol:
Secure lifeboat hatches.
Start water-spray.
Rescue boat with waterproof canopy.
Lower lifeboat to water.
The number and positions of hydrants shall be such that:
At least three jets of water not emanating from more than two hydrants may reach any space of the ship accessible to passengers and crew.
At least one jet of water may reach any part of the ship normally accessible to passengers and crew.
At least one jet of water emanating from a single length of hose may reach any part of the ship normally accessible to passengers and crew.
At least two jets of water not emanating from the same hydrant, one of which from a single length of hose, may reach any part of the ship normally accessible to passengers and crew.
The safety message announces that a station:
Is in serious and imminent danger and needs immediate assistance.
Has an very urgent message concerning the safety of a vessel, a plane or another means of conveyance.
Is going to be under repairs.
Will relay a message concerning an important navigational or meteorological warning.
A “sour crude” is defined as:
A crude oil cargo which has left substantial residues in the bottom of the tank after discharge.
A crude oil from West Africa.
A petroleum product which reacts with water during tank-washing leading to a distinctive odour about the tank deck.
A crude oil or products containing appreciable amounts of hydrogen sulphide and/or mercaptans.
A non-volatile petroleum is defined as that which:
Has a flashpoint of 60 °C or above.
Has a flashpoint of 15,6 °C or below.
Has a flashpoint of 60 °C or below.
Has a flashpoint of 100 °C or above.
The aerial system of an Inmarsat-C terminal consist of:
A rod aerial.
An omni-directional aerial.
A dish aerial.
A flexible wire aerial.
What would be considered the most favourable heading of a ship when launching a lifeboat?
The ship should steer about 100° of the prevailing weather and sea with the boat to be launched on the leeside.
The ship should lie stopped in the water with the weather on the opposite side to the boat to be launched.
The ship should steer with the prevailing weather and sea on the beam and the boat to be launch on the leeside.
The ship should steer about 30° off the prevailing weather and sea with the boat to be launch on the leeside.
What is an IED?
An incendiary device.
An explosive.
A type of gun.
A homemade bomb.
Which type of equipment can be used to detect explosives?
Particulate detector.
CCTV.
Water cannon.
Metal detector.
B Class divisions in ships are constructed so that they are capable of preventing the passage of flame to the end of a standard fire test held for:
15 minutes.
60 minutes.
30 minutes.
45 minutes.
The ballast that may be discharged from an oil tanker without the use of the ODME is:
Ballast from segregated ballast tanks (SBT).
Clean ballast from cargo tanks.
Water from slop tanks.
Dirty ballast from cargo tanks.
Where may as a general rule pressure containers for gas fire-extinguishing medium be kept? (SOLAS II-2/5.1.10).
In the space which is to be protected.
Above bulkhead deck.
In cold storages.
Outside the space which is to be protected.
Rule 12 of the International Collision Regulations prescribes the action to be taken by a sailing vessel when meeting another sailing vessel. This depends on the direction of the wind relative to each vessel. In the situation shown here, which sailing vessel (A or B) must keep out of the way of the other?
Both sailing vessels are required to take avoiding action.
Sailing vessel B must keep out of the way of sailing vessel A.
The upwind sailing vessel must keep out of the way of the downwind sailing vessel.
Sailing vessel A must keep out of the way of sailing vessel B.
What actions should the Officer of the Watch take when the ship’s steering gear fails?
All of the suggested answers.
Call the Master and advise him of the situation.
Request the engine room to check the steering gear.
Display the NUC signal and consider stopping the engines.
Prior carrying out a Crude Oil Washing operation, the tank from which the crude is to be used for washing is usually partially discharged. This is done so as to:
Ensure that any settled water is removed from the tank and only “dry” crude is used for washing so as to avoid electrostatic hazards during washing.
Ensure that only the required quantity of oil are kept in the tank, so as to reduce the amount of slops retained on the ship.
Ensure that all water settled in the tank is removed prior washing, so as to ensure that the fresh cargo can be loaded on top without fear of contamination.
Ensure that any dirt and sediments settled inside the tank are removed, so as to improve cleaning quality of the crude oil.
You are proceeding up a river, with berths on both banks. You see this flag hoist on a vessel moored on a berth ahead. What does it mean?
I am about to depart the berth.
My engine is disabled.
You should proceed at slow speed when passing me.
Caution! I have an anchor down.
Give the meaning of the following symbol:
Survival craft portable radio.
EPIRB.
Survival craft distress pyrotechnic signals.
Rocket parachute flares.
The rudder is in the hard over position with the propeller stopped and the ship turning slowly. On a ship with a single fixed pitch right handed propeller and no thrusters, what can be done to make the ship increase the speed of turn without significantly increasing the forward speed of the ship?
Give half astern on the engines as this will increase the rate of turn.
Give the engines a short kick ahead.
Give full astern on the engines until ship has stopped and then full ahead on the engines with rudder hard over.
Give dead slow ahead on the engines and leave the rudder in the hard over position.
The PTT-switch must be:
Pressed in during speaking only to work duplex.
Pressed to listen.
Pressed in constantly to work simplex.
Pressed in during speaking only to work semi-duplex.
What is the purpose of the “SQUELCH” on a VHF transmitter/receiver?
Switch to another channel.
Increase the sound signal of the receiver.
Increase the range of the transmitter.
Reduce the “noise” in the background.
What is the depth of an iceberg below the surface of the sea?
The draught of an iceberg is about the same as the visible part of the iceberg above the water.
The depth of an iceberg below the surface is always about one sixth of its total depth.
The draught of an iceberg is normally about 3/4 of its total depth.
The draught of an iceberg varies with the type of berg and its age.
If you were put in charge of a fire team what minimum number of men wearing a breathing apparatus would you allow to enter a smoke filled compartment?
1 man.
3 men.
2 men.
4 men.
What does the abbreviation ABC mean in first aid?
Abandon, Balance, Circulation.
Air, Breath, Concentration.
Air, Burning, Critic.
Air, Breathing, Circulation.
At the and of a radio telex-connection, when a “store and forward” – message has been transmitted, the coast-station at least gives a:
Time (in UTC) where upon the telex for the subscriber is delivered.
Code in letters which will be repeated when the telex has been delivered to the subscriber.
Reference number.
Approximate time when telex will be delivered.
After confirmation that there is no other radio-traffic, we call on a VHF working channel of a coast-station. When you don’t get any reply:
You must wait 5 minutes before repeating the call.
You can repeat your call immediately.
You must wait 1 minute minimum before repeating your call.
You must wait 3 minute minimum before repeating your call.
A wire aerial for an MF/HF-transmitter must be suspended between isolators:
To make the way for aerial currents as long as possible.
To save energy.
To prevent burns when touching the aerial.
To prevent contact with earth.
What is the purpose of a fire wire?
A wire for pulling burning ships off the pier.
A wire for handling fire buckets.
A wire for pulling fire-hoses up to the top bridge.
A wire for securing the Fire Tug alongside a burning ship.
Under GMDSS which VHF channel is used for Digital Selective Calling (DSC)?
Ch. 13.
Ch. 06.
Ch. 16.
Ch. 70.
What methods could be introduced into a passage plan for continuous monitoring of the ships position when navigating along a coastline?
Parallel Index lines.
All of the suggested answers.
Conspicuous headlands and navigational marks for taking positions.
The radar ranges of the coastline at all course alteration points.
Messages sent via INMARSAT-C are charged:
On the basis of a 3 minute minimum charge with 1 minute incremental steps.
On the number of kilobits of information transmitted per block of 256 bits.
On the basis of a 6 second minimum charge with 6 second incremental steps.
On the number of kilobits of information transmitted per block of 1 024 bits.
What are the main priorities of the leader of the fire-fighting teams?
I don’t know.
Start the fire pump, inform other ships, call the local fire brigade, arrange transport to shore.
Start the emergency fire pump, fighting the fire, call the local fire brigade, arrange transport to shore.
Rescuing of life, fighting the fire, limitation of the fire and secure the retreat.
The purpose of having corrugations in the bulkheads of cargo tanks of an oil tanker is to:
To assist in the drainage of the oil by funnelling the oil to the suction well.
Provide strength, but with clean and clear surfaces within the tank.
Provide additional resistance to shear forces and bending moments.
Reduce the effects of Free Surface within the vessel.
With an Inmarsat-C terminal the option PSTN fir addressing is available. This option:
Have the operator read the message by phone.
Delivers the message as a fax.
Delivers a message as a telegram.
Is to deliver a message by telephone via a modem on the computer of the subscriber.
If whistles are fitted on a vessel at a distance apart of more than 100 metres, will manoeuvring and warning signals, as defined by rule 34 of the International regulations for Preventing Collisions at Sea, be given on one or both whistles?
They shall be given on one whistle only.
They shall first be given on the forward whistle, followed by the after whistle, with a 5 second interval in between.
They shall be given on both whistles simultaneously.
Manoeuvring signals will be given only on the forward whistle; warning signals will be given on both whistles simultaneously.
When a DSC-message of the “distress” category is received, in order to start distress alert communication in so far as not indicated in the alert, you will switch to VHF channel:
13.
16.
67.
85.
You are on a power-driven vessel underway in open water. This vessel is sighted directly ahead. The distance is closing slowly. What action will you take under the International Collision Regulations and why?
This is a vessel engaged in towing and I am seeing the stern light of the tow. The tug is not however showing any lights indicating she is restricted in her ability to manoeuvre. I will however display good seamanship and keep out of her way.
The vessel is on a steady bearing and the distance is closing. I will therefore take avoiding action, altering course to starboard and sounding one short blast under rules 14 and 16.
I will maintain my course and speed. The other vessel is being overtaken and is therefore obliged to keep out of the way by rule 13.
I will keep out of her way. I am the overtaking vessel and am obliged to keep clear under rule 13.
As regards the launching and recovery arrangements for rescue boats which is required among the following:
Each lifeboat shall be provided with separate appliances which is capable of launching and recovering the lifeboat.
Launching and recovery arrangements shall be such that they can be operated at all times from the bridge.
Means shall be available to prevent any discharge of water on to survival craft during abandonment.
Different type of launching and recovery arrangements shall be used for similar survival craft on board the ship.
The purpose of the “mud box” fitten on a tanker is to:
Restrict any particles and solids entering the pipeline system.
Collect ships waste and water mud when ballasting and de-ballasting.
Catch the mud from the anchors and cables and deposit these at the windlass.
Catch spills when connecting the discharge or loading hose.
Which of the four calculations illustrated is the correct one to determine the latitude of the observer when the sun is on the meridian?
Calculation 3 is correct.
Calculation 2 is correct.
Calculation 4 is correct.
Calculation 1 is correct.
The battery of an EPIRB should be changed:
Every 4 years.
Every 2 years.
Every 3 years.
Yearly.
Most minor oilspills are caused by:
Unforeseeable circumstances.
Equipment failure.
Human error.
Major casualties.
The «Deck Operational Oil Tanker» subject provides both theoretical and practical knowledge on safely working with electrical equipment. Mastery of this information is a key indicator of an employee's competence in a relevant position on a vessel. As the 3rd officer on an oil tanker, your primary responsibilities would include assisting senior officers in the safe navigation and operation of the ship. You would be tasked with maintaining accurate navigational records, performing regular safety inspections, and ensuring compliance with all relevant maritime regulations. Additionally, you would supervise the deck crew, oversee cargo operations, and conduct regular safety drills and training exercises. As a junior officer, you would be expected to learn from and support the more experienced crew members while gaining valuable experience for future roles in the maritime industry.
- Version: 6.0, 5.2.0, 5.1, 4.1.
- Test type: STCW.
- Department: Deck.
- Level: Operational.
- Vessel type: Oil Tanker.
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