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Головна Онлайн-тести CES Усі типи судів 2nd-Off / 3rd-Off Test for Officers onboard about Navigation, Operational Level (CES v6.0)
Онлайн-тестування: Test for Officers onboard about Navigation, Operational Level (CES v6.0)
2
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Онлайн-тест
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Відгуки 2
Тест складається із 80 випадкових питань.
Усього питань на цю тему: 209
Усього питань на цю тему: 209
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When navigating along a coastline what should be considered the most accurate method of navigating?
Passing close to navigational buoys.
Use of radar ranges and bearings.
Bearings of navigational shore marks such as lighthouses.
Use of Differential GPS.
The lights here show those that must be exhibited by a vessel engaged in towing, as per rule 24 of the International Collision Regulations. But how long is the tow behind this vessel?
At least 100 metres.
It exceeds 200 metres.
It is more than 50 metres but less than 200 metres.
It is less than 200 metres.
What is correct UTC in this example? Approx. Pos: N49° 51′ W35° 23′, zone +2, Local Time 0900.
23 00.
07 00.
19 00.
11 00.
What action should the Officer of the Watch (OOW) take if he is forced to make a major deviation from the voyage plan?
There is no special action necessary.
Make an appropriate entry in the Log Book.
Check that the deviation will not lead into danger.
Inform the Master.
What is the correct understanding of the term “Isobar”?
An “Isobar” is the line showing the direction of the predicted path of a hurricane.
An “Isobar” is a line joining places of equal temperature.
An “Isobar” is the line of the cold front in a frontal depression.
An “Isobar” is a line joining places of equal pressure.
How can a new officer, just boarding a ship, ensure that he knows the location and operation of all navigational and safety equipment and take account of the operating limitations of such equipment?
By using the equipment on regular watchkeeping duties.
By following the standard company Induction procedures for a bridge watchkeeping officer.
The certificate of competency will ensure the officer has suitable competence in operating the bridge equipment.
By asking other officers and practicing with the use of the equipment.
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 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 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 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.
You are in an area of restricted visibility. You hear this sound signal. What does it mean?
That there is a vessel in distress nearby.
That there is a vessel at anchor in the vicinity.
That there is a vessel aground in the vicinity.
That there is a vessel engaged in underwater operations in the vicinity. She has divers down.
The ship’s rudder is full over when the ship’s engines are full ahead. Will the turning effect (lift force) of the rudder be changed when the engine is stopped?
No, the lift force is unaffected by the speed of the propeller.
Yes, the lift force will be dramatically reduced when the engines are stopped.
Yes, the lift or turning force will be reduced to about 50 % of the original lift force when the engines are stopped.
No, the turning force applied by the rudder will be maintained within about 90 % of the lift force when going full ahead.
You are on a tug and are towing an unmanned barge. You are restricted in your ability to manoeuvre. The total length of the tow is 219 metres. What daylight signals are required by the International Regulations for Preventing Collisions at Sea?
A diamond shape, where it can best be seen, on the tug only. Three shapes shall also be displayed, being three balls in a vertical line.
Three shapes shall be displayed on the tug, where they can best be seen, in a vertical line, the upper and lower being balls and the middle one a cylinder. The signal flag “T” shall also be flown on the tug. A diamond shall be displayed aft on the tow.
A diamond shape, where it can best be seen shall be displayed on the tug and the tow. Three shapes shall also be displayed in a vertical line, the upper and lower being balls and the middle one a diamond. Diamond shape.
Three shapes shall be displayed forward on the tug, in a vertical line, the upper and lower being balls and the middle one a diamond.
Which of the following answers correctly specify the following most common rudders? a) UNBALANCED, b) BALANCED, c) SEMI-BALANCED and d) UNDERHUNG BALANCED. i. e. The number in the picture is related to the letter adjacent to the name of the rudder.
1 = d, 2 = a, 3 = b and 4 = c.
1 = b, 2 = c, 3 = d and 4 = a.
1 = c, 2 = d, 3 = a and 4 = b.
1 = a, 2 = b, 3 = c and 4 = d.
You are proceeding along a coastal route when you hear this signal. The visibility is severely restricted. What does the signal mean?
There is a vessel aground in the vicinity. She is less than 100 metres in length. She is sounding an additional warning to approaching vessels to “navigate with extreme caution”.
There is a vessel at anchor in the vicinity. She is less than 100 metres in length. She is sounding an additional warning to approaching vessels that they are “running into danger”.
There is a vessel at anchor in the vicinity. She is more than 100 metres in length. She is sounding an additional warning signal to approaching vessels, directing them to “keep clear”.
There is a vessel aground in the vicinity. She is more than 100 metres in length. She is sounding an additional warning to approaching vessels that they are “running into danger”.
Can the OOW be the sole lookout?
When the visibility is good and the ship is in the middle of the ocean where there is very little shipping.
Never should the Officer of the Watch be the only lookout.
During daylight when visibility and traffic allows.
Only if the ARPA radar is set onto Auto Acquisition with an audio alarm sounding when a ship is detected.
Which approved publication should be used by a seafarer to help overcome any misunderstanding in communications?
The (ISC) Bridge Procedures Guide.
The Oxford Concise Dictionary.
Standard Marine Navigational Vocabulary.
The (IMO) Standard Marine Communication Phrases (SMCP) booklet.
Two mooring lines are pretensioned equally and have the same length, same breaking strength and same directional load. However, one is made of wire (with a full load elastic elongation of about 1,5 % of its length) and the other made of nylon (with a full load elongation of about 30 % of its length). If a gust of wind increases the load on the lines, how will it be shared?
Wire takes 45 % of the extra load. Rope takes 55 % of the extra load.
Wire takes 55 % of the extra load. Rope takes 45 % of the extra load.
The wire and rope will share the load equally.
Wire takes 95 % of the extra load. Rope takes 5 % of the extra load..
Can anything be done on a vessel with forward speed, to reduce the change in heading caused by a right hand fixed pitch propeller being put astern?
Yes, the rudder can be put to port.
No, the rudder should be kept amidships when going astern and there is little that can be done to reduce the swing to starboard.
The rudder can be cycled from side to side.
The rudder should be put hard to starboard to reduce the water flow to the left side of the propeller.
What corrections must be applied to the echo sounder reading to compare the depth of water with the depth printed on the chart?
The distance between the pulse Transmitter and Receiver.
Draught of the ship.
Shallow water effects.
Allowance for the ships speed.
Who is ultimately responsible for approving the voyage plan?
The Officer of the Watch (OOW) on duty.
The Second Officer as the official Navigation Officer.
The Master.
The ship owner will provide overall parameters within which the ship must follow.
When should gangway nets be rigged?
Between sunset and sunrise.
Whenever the gangway is regarded as unsafe.
When it is deemed necessary by the Master of the Chief Officer.
Whenever the gangway is rigged.
What is the advantages of a GPS satellite system compared to other navigational aids?
The GPS system has a built-in group of six radio-beacons called a Decca chain.
The GPS system gives information about weather and wave conditions in the area.
The GPS system is based on hyperbola navigation.
The GPS system gives information about position, speed and time continuously world wide.
You are in an area of restricted visibility and hear this signal. It is repeated at 2 minutes intervals. What does it indicate?
That there is another vessel in the vicinity and that she has just altered course to port.
That there is another vessel nearby, that she is underway, but stopped and making no way through the water.
That there are two more vessels nearby.
That there is another vessel nearby, but that she is at anchor.
What are the main advantages to the Navstar, Glonas and Galileo satellite navigation systems?
If a vessel uses any one of them, there is no need to practice other forms of navigation.
These satellite systems give world-wide coverage 24 hours a day.
They are all made specifically for ships and marine operations.
Satellite navigation systems also give information about weather and wave conditions.
A ship normally turns (swings) around a point which is not the centre of gravity. What is this point normally called?
Centre of Buoyancy.
Pivot Point.
Centre of Turn.
Centre of Floatation.
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.
The overtaking vessel can overtake but must allow sufficient space to reduce the interaction between the two vessels.
The overtaking vessel should request permission to overtake from the Port Control VTS.
There should be no overtaking in these confined waters.
What is the weather associated with being in the centre of an Anticyclone (a region of High Pressure)?
Strong winds and heavy rain.
Light winds and fair weather, sometimes fog.
Strong winds but with very little rain.
Persistent rain and very humid weather.
What are the limits of a passage or voyage plan?
From pilot to pilot.
From berth to berth.
It is dependant on the voyage and if there are any river or canal transits.
From Full Away On Passage (FAOP) to End Of Passage (EOP).
Which of the following answers most suitably cover the standard duties of the bridge Officer of the Watch when the ship is at anchorage?
Display anchor signal and keep a good lookout of other ships in the area.
Display anchor signal, check the ships position and keep a good lookout.
Display the anchor signal and ensure the ship swings the same way at each change of tide.
Display the anchor signal, patrol the ship frequency and check the anchor chain for dragging.
What corrections must be applied to the echo sounder reading to compare the depth of water with the depth printed on the chart?
Draught of the ship.
Allowance for the ships speed.
Shallow water effects.
The distance between the pulse Transmitter and Receiver.
Once a ship (equipped with self-stowing auto-tension winches) is moored alongside a loading or discharging berth, how is it recommended that the winches are set?
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.
All winches to be left with the manual brake on and out of gear.
All mooring winches be left in “auto-tension” mode.
With a pilot ladder, the lowest spreader shall be the 5th step from the bottom. At what interval should there be further spreaders upwards on the ladder?
At intervals not exceeding 9 steps.
At intervals not exceeding 12 steps.
It does not matter where the spreaders are fitted.
At intervals not exceeding 15 steps.
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?
One prolonged blast (flash), followed by five or more short and rapid blasts (flashes).
Five short and rapid blasts (flashes).
Five prolonged blasts (flashes).
Three short and rapid blasts (flashes).
What can be used to reduce the effect of the state of sea-water?
Crude Oil.
Foam.
Vegetable/Fish Oil.
Fuel Oil.
What would be considered the most favourable heading of a ship when launching a lifeboat?
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 about 100° of the prevailing weather and sea with the boat to be launched on the leeside.
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.
The position of the ship provided by the GPS should always be confirmed by other means, when possible. Which of the following suggested methods would be the most accurate?
Compass bearings of three shore objects.
Bearing using the Radio Direction Finding of three radio beacons.
The ranges of three distinctive shore objects on the radar.
Bearing and distance from a navigational Buoy.
What is the correct understanding of the term “a ship with good Directional Stability”?
A ship which when the rudder is left amidships, it will continue on approximately a straight course.
A ship where the amount of positive transverse stability (GM) will vary with the direction of the ship’s head.
A ship which when a rudder angle is applied and the ship starts to swing, will continue to swing even after the rudder is returned to amidships.
A ship which will maintain its course unless large rudder angles are applied.
What are the required data inputs into most gyro compasses to reduce any possible compass error?
Maximum helm angle and rolling period.
Latitude and Speed.
Deviation and Variation.
All of the data in the suggested answers.
How can an ARPA assist the ship to steer a suitable course to make good the entrance to a channel?
Select True ground stabilised vectors and make the vectors from both buoys at the entrance to the channel pass either side of the centre of the screen.
Select Relative motion display and make Own Ship vector pass through the middle of the entrance to the channel.
Acquire the buoy at the entrance to the channel and on relative vector display alter course to make the vector of the buoy pass directly through the centre of the screen.
Select ground stabilised true motion display and alter course so that own ships true vector passes through the middle of the entrance to the channel.
What can be a cause of error observed on a gyro compass reading?
Large values of variation caused by the gyro pole.
Incorrectly set heading and speed values.
Fluctuations in the magnetism around the compass.
Incorrectly set latitude and speed values.
Two ships are meeting in a restricted channel as illustrated. Which of the following actions would be the most suitable to take on both vessels as they approach and pass each other?
Slow down if possible without losing steerage and be prepared for prompt application of rudder to counteract any swing as they approach and pass each other.
Increase speed slightly to pass each other as quickly as possible and thereby reduce the effects of “ship to ship” interaction.
Maintain speed and a straight course on the starboard side of the channel.
Keep as far as possible on the starboard side of the channel and maintain speed to retain effective steerage.
What are the three possible types of messages seen when there is an ECDIS alert?
Either an Alarm, an Indication or a Caution.
Either an Alarm, a Warning or an Information.
Either an Alarm, a Warning or a Caution.
Either an Alarm, an Indication or a Caution.
What is “AIR DRAUGHT”, in the figure?
Air draught is indicated by B, in the figure.
Air draught is indicated by A, in the figure.
Air draught is indicated by C, in the figure.
Air draught is indicated by D, in the figure.
A ship is navigating in the Caribbean in August when it receives the warning of a Hurricane. To determine the centre of the storm the Master uses “Buys Ballot’s Law” and faces the wind. On what side of the Master would the low pressure area be located?
On the right side.
This is not a suitable method to use with a Hurricane.
Straight ahead.
On the left side.
The ship is involved in a collision, what is the immediate action by the Officer of the Watch after the incident has taken place?
Stop engines and check over the side for any signs of pollution.
Call the Master and check the position for any immediate dangers.
Contact the other ship and send the bridge lookout down to start taking soundings.
Sound the General Alarm and stop engines.
Two ships travelling in opposite directions are to pass each other in a narrow river, as illustrated. Explain what is likely to happen as they pass each other?
Due to interaction, the bows will repel each other, and then when alongside each other the two ships will be sucked together and finally the sterns will be repelled as they start to pass clear.
There will be very little effect between the two ships as they pass.
Due to interaction, the bows will attract each other as they approach, then they will repel each other alongside and as they pass clear, the sterns will be attracted.
As they approach, rudder should be applied quickly to avoid sheering into the path of each other. Then as they are alongside they will be attracted and finally repel each other as they pass clear.
The ship is to berth alongside a quay in calm conditions of no wind or current. The ship has a single fixed pitch right handed propeller. Which angle of approach would be considered the most favourable?
The decision should be left to the pilot who is in charge of the manoeuvre.
No. 2.
No. 1.
No. 3.
Where can a ship expect an act of piracy to take place?
In American waters.
At the south end of the Red Sea.
All over the world.
In Far East waters.
How can the effects of Squat be minimized, when a ship is proceeding in shallow water?
Maintain a speed of about 6 knots and use minimal rudder when manoeuvring.
Enter the shallow water with a stern trim and proceed at a moderate speed.
Maintain a slow speed just sufficient to maintain steerage.
Decrease the speed and keep this ship to the centre of the channel where the water is probably deepest.
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.
Contingency arrangements in case of problems.
Courses to steer; distance off dangers; parallel index lines; expected currents; prevailing winds; distance between alteration points.
Expected prevailing wind and weather.
When a ship is lying at anchor in a tidal area using both forward anchors, to what particular aspect should the officer of the watch be paying special attention?
The two anchors will restrict the ships swing with the tide and the ship may not lie to the prevailing current and wind.
The tension on both cables should be similar, to avoid one dragging and all the weight of the ship remaining on the other anchor only.
When the ship swings to the tide the direction of swing should be controlled to avoid the anchor cables becoming wrapped round each other.
The ship will become controlled by the tide and the wind will not be allowed to have any effect on the direction the ship lies at anchor.
Who is responsible for the number and the position of any tugs to be used during a mooring operation?
The Pilot is fully responsible for the number and use of tugs within the port area.
The Master, with consideration of the advice of the pilot.
The Port Authority will dictate the tug requirements and their use within the port limits.
It will be only the wind speed that will determine the required number of tugs and how they are used.
What are the limits of a passage or voyage plan?
From Full Away On Passage (FAOP) to End Of Passage (EOP).
From pilot to pilot.
It is dependant on the voyage and if there are any river or canal transits.
From berth to berth.
The position of the ship is found by taking a series of bearings using a magnetic compass. How should an error of 5° WEST be applied to the compass bearings?
Subtract 5° to the bearings.
The same error applies to all bearings and therefore it can be ignored.
The error should be “High” or “Low” and therefore more information is required.
Add the 5° to the bearings.
Which statement best describes how land moves, if at all, on an ECDIS set in North-up, relative motion mode?
Land is stopped with the vessel symbol moving across the sea floor.
Land on the chart screen moves relative to the ship symbol.
The land is always in the middle of the screen.
This is a feature only seen on radar displays.
Visual signals are used by aircraft in search and rescue operations to direct ships towards a casualty. The signals shown here are part of a sequence. What does it indicate?
The aircraft is directing a vessel towards the casualty.
The aircraft is short on fuel and is returning to base.
The assistance of your vessel is no longer required.
The casualty is sighted and will require medical assistance.
How can the effects of Squat be minimized, when a ship is proceeding in shallow water?
Put a small forward trim on the vessel as this stops squat.
Maintain a speed of about six (6) knots and use minimal rudder when manoeuvring.
Enter the shallow water with a stern trim and proceed at a moderate speed.
Maintain a slow speed just sufficient to maintain steerage.
Which approved publication should be used by a seafarer to help overcome any misunderstanding in communications?
Standard Marine Navigational Vocabulary.
The (ISC) Bridge Procedures Guide.
The (IMO) Standard Marine Communication Phrases (SMCP) booklet.
The Oxford Concise Dictionary.
When navigating using the GPS, how does the GPS display indicate when the accuracy of the displayed position is reduced?
A large “Correction Factor” number is displayed on the screen.
The GPS display is always very accurate and does not give any indication of lack of accuracy.
A large HDOP value is displayed on the screen.
The GPS display flashes and sounds an alarm.
A ship is equipped with a right-handed fixed pitch propeller, which when going from Full Ahead to Full Astern will make the ship sheer to starboard. Can anything be done to reduce this change in heading?
The rudder can be put from side to side in a “Rudder Cycling” movement.
The rudder should be put Hard to Port to reduce the water flow to the left side of the propeller.
The rudder can be put to Hard to Port to reduce the water from to the right side of the propeller.
The rudder should be kept amidships when going astern and there is little that can be done to reduce the swing to starboard.
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?
The upwind sailing vessel must keep out of the way of the downwind sailing vessel.
Both sailing vessels are required to take avoiding action.
Sailing vessel A must keep out of the way of sailing vessel B.
Sailing vessel B must keep out of the way of sailing vessel A.
The rudder is hard over with the engine at full ahead. Will the turning effect of the rudder be changed if the engine is stopped?
Yes, the turning force will be dramatically reduced when the engine is stopped.
No, the turning force is unaffected by the speed of the propeller.
No, the turning force applied by the rudder will be maintained within about 90 % of the turning force when going full ahead.
Yes, the turning force will be reduced to about 50 % of the original force when the engine is stopped.
The Master arrives on the bridge obviously under the influence of alcohol and states he is taking over the “con” of the ship. What actions should the Officer of the Watch (OOW) take in this situation?
Tell the Master you do not think this is a good idea and retain control of the watch.
Attempt to diplomatically avoid taking any actions that would put the ship or crew into danger and call the Chief Officer for assistance.
Tell the Master you consider him incapable of taking over the responsibility of the watch and that he should retire to his cabin and sleep it off.
Watch the actions made by the Master and if not dangerous, wait until the Master becomes more capable to take control or leaves the bridge.
What actions should be taken by the Officer of the Watch if the ship’s steering system totally fails?
All of the suggested answers.
Display the NUC signal and stop the engine(s).
Call the Master and advise them of the situation.
Request the engine room to check the steering system.
What is the correct understanding of the term “Block Coefficient” as applied to a ship?
The comparison of the underwater shape of the ship, to a rectangular block of the same extreme dimensions.
The ratio of the water plane shape of the ship to a rectangle of the same extreme dimensions.
The coefficient of a Block and Tackle.
The restriction of a valve in a pipe to the flow of fluid through that pipe.
A man is reported to have fallen overboard and the Officer of the Watch releases the lifebuoy and starts a man overboard manoeuvre, who are the first persons onboard he should inform?
The Master only.
The crew quarters for extra lookouts.
Master and Engine Room.
Chief Officer and lifeboat party.
What is the correct understanding of the term “Block Coefficient” as applied to a ship?
The coefficient of a Block and Tackle.
The restriction of a valve in a pipe to the flow of fluid through that pipe.
The comparisons of the underwater shape of the ship, to a rectangular block of the same extreme dimensions.
The ratio of the waterplane shape of the ship to a rectangle of the same extreme dimensions.
What are we seeing here?
A sailing vessel, seen from astern, where the edges of her sidelights are both visible.
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 of less than 10 metres in length, displaying the mandatory combined lantern in lieu of sailing lights, seen head-on.
A sailing vessel, at anchor.
The ship has a single fixed pitch right-handed propeller and is going astern as illustrated. What is the most likely way the ship will react in these circumstances?
The ship will go straight astern and the heading will remain approximately the same.
The stern will fall off to starboard, making the heading swing to port.
The stern will “back” into the wind and the ship’s heading will swing to starboard.
The bow will “seek” the wind and the ship will swing to port.
What is the direction of wind associated with an anticyclone (area of high pressure) in the Northern Hemisphere?
Clockwise around the high pressure.
Directly away from the centre of the anticyclone towards the nearest Low pressure.
Straight towards the centre of the anticyclone.
Anticlockwise around the high pressure.
Ships vary considerably in design and underwater shape, but does the ship’s trim ever have any influence on its steering abilities?
Yes, a ship often steers better if trimmed by the bow.
No, the ship will have the same steering ability and is unaffected by trim.
No, it is usually best to be on an even keel and have no trim at all.
Yes, the ship often steers better if trimmed by the stern.
Which of the following figures drawn on the plane of the Meridian is correct for an observer in position Latitude 30° 00′ North; Longitude 15° 00′ West, when observing the sun on the meridian, if the sun’s Declination is 15° 00′ South?
Figure 3 is correct.
Figure 2 is correct.
Figure 1 is correct.
Figure 4 is correct.
This vessel is sighted ahead and slightly to port. What is her situation? What will you do?
This is a vessel engaged in fishing vessel, with her nets fast on a obstruction. I will keep out of the way by rule 18 of the International Collision Regulations.
This is a vessel not under command at anchor.
This is a vessel aground. She appears to have been headed to starboard of my track and I will therefore alter course to port, passing under her stern.
This vessel is aground. I will navigate with extreme caution given the nature of the hazard.
When should a ship’s officer use some of the English language found in the IMO’s publication “Standard Marine Communication Phrases”?
When talking on the VHF between ships of differing flag states.
When giving orders to a multi-national bridge team.
In circumstances described in all of the answers provided.
When talking between ship and shore in a foreign land.
The maximum height that a pilot should be required to climb on a pilot ladder before reaching the deck or stepping onto an accommodation ladder platform is:
15 mtrs.
12 mtrs.
9 mtrs.
6 mtrs.
In the Beaufort Scale of Wind Force, what is the Beaufort number associated with the wind force known as a “Gale”? This should not be confused with a “Near Gale” or “Strong Gale”?
Ten (10).
Seven (7).
Nine (9).
Eight (8).
In an extreme case, in addition to having your winch brakes as tight as can be, you can increase the brake holding capacity of the winch drum by putting it in gear and setting the power to the “heave” position. However this may cause:
Strain on the fairleads and rollers in use in excess of their Safe Working Load.
All the listed alternatives.
The increased braking power of the winch to exceed the breaking strength of the wire and rope paid out from it which might cause the wire or rope to part.
Damage to the winch by distorting the shaft.
Which option best completes the following statement? An operator using ECDIS, will notice an out of position navigation buoy because:
A local port authority would send an automatic signal to ECDIS.
It is coloured orange on an ECDIS display.
The radar return and ENC buoy symbol will not coincide.
There will be a flashing alarm on ECDIS showing which one is out.
What does this flag mean?
I have a diver down; keep well clear at slow speed.
Yes (affirmative).
My vessel is stopped and making no way through the water.
I wish to communicate with you.
How will the ship behave if it experiences a complete loss of power (black out) in the situation illustrated?
The wind will push the vessel sideways, but the heading will not change.
The vessel will gradually swing to port and the speed will slowly reduce.
The vessel will continue on course and the speed will slowly reduce.
The vessel will gradually swing to starboard and the speed will slowly reduce.
You are on a power-driven vessel underway in open water. This vessel is sighted on the port bow on a steady bearing. What kind of vessel is it and what will your action be?
This is a sailing vessel underway, seen head-on. It is my responsibility to keep clear under rule 18 and I will take appropriate avoiding action.
This is a vessel engaged in fishing. It is my responsibility to keep clear under rule 18 and I will alter course to starboard, sounding one short blast.
This is a sailing vessel not making way through the water. There is no risk of collision and I will maintain my course and speed.
This is a sailing vessel underway. I am the stand-on vessel and will maintain my course and speed under rule 17.
You are approaching a port in a snowstorm. You hear this signal. What kind of vessel is it and what is it doing?
It comes from a vessel engaged in pilotage duties at anchor, over 100 metres in length.
It comes from a vessel restricted in her ability to manoeuvre.
It comes from a vessel at anchor, less than 100 metres in length.
It comes from a vessel engaged in pilotage duties and it is making way through the water.
The «Navigation (NA) Operational Level» subject covers both theoretical and practical knowledge regarding safety when working with electrical equipment. Mastery of this information is a key indicator of an employee's competence in their specific role on a vessel. As a 3rd officer responsible for navigation duties, your primary tasks include assisting senior officers in planning the ship’s voyage by calculating safe passage routes, preparing navigation charts, and monitoring weather conditions. You are also responsible for conducting regular safety checks on all life-saving equipment to ensure it is in good working order, as well as operating and maintaining navigational equipment like radar, GPS, and compasses to ensure they are functioning correctly.
- Version: 4.1, 5.0, 5.1, 6.0.0.
- Test type: STCW.
- Duty: 3rd Officer.
- Level: Operational.
- Theme: Navigation.
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22.10.2025
Некоторые правильные ответы помечает как не правильные. Отсутствует звуковое сопровождение для некоторых вопросов. Отсутствуют картинки для некоторых вопросов. Так же один раз выбранный мной ответ был помечен как не правильный, а в summary после теста показан он как правильный вариант, а выбранный мной ( тот же вариант ответа ) зачло как не правильный.
Для проверки знаний и подготовки к тесту - отличное решение, просто с небольшими ньюансами.
Для проверки знаний и подготовки к тесту - отличное решение, просто с небольшими ньюансами.
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