Test for Officers onboard about Navigation, Operational Level (CES v6.0)
Результаты прохождения теста
Тест состоял из 80 случайных вопросов.
Всего вопросов по данной теме: 209
Всего вопросов по данной теме: 209
Ваш результат: 94%
Правильные ответы:
1
What does this signal hoist mean?
Правильный ответ:
I require immediate assistance.Ваш ответ:
I require medical assistance.2
What special equipment can often provide assistance in locating a survival craft or man overboard and in the water?
Ваш ответ правильный:
A SART.3
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:
Ваш ответ правильный:
9 mtrs.4
You are in open water and clear conditions. You are approaching the pilot station when you hear this signal from a vessel ahead of you. What does it signify?
Ваш ответ правильный:
That the vessel is operating astern propulsion.5
A tug is moving towards the bow of the ship to make fast and is in the vicinity of the ship’s shoulder, as illustrated. What specific danger should be considered when making this approach to the bow?
Ваш ответ правильный:
The tug may be turned across the bow of the ship and also suffer a lose of stability with a danger of being turned over if touched by the ship.6
What are the limits of a passage or voyage plan?
Правильный ответ:
From berth to berth.Ваш ответ:
From pilot to pilot.7
What is the correct understanding of the term “a ship with good Directional Stability”?
Ваш ответ правильный:
A ship which when the rudder is left amidships, it will continue on approximately a straight course.8
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?
Ваш ответ правильный:
You should proceed at slow speed when passing me.9
When should gangway nets be rigged?
Ваш ответ правильный:
Whenever the gangway is rigged.10
What radar device assists in the detection and location of a survival craft?
Ваш ответ правильный:
SART beacon.11
A ship is being overtaken by another ship while proceeding along a river. What should be the required procedure?
Ваш ответ правильный:
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.12
What is the situation of this vessel?
Ваш ответ правильный:
This vessel is not under command, but is making way through the water.13
When the temperature of the air increases with height it is known as a “Temperature Inversion” and may influence the performance of some instruments on the ship. What should the bridge Officer of the Watch be prepared to happen?
Ваш ответ правильный:
Abnormal ranges of VHF RT and Second Trace Returns on the radar.14
What do the shapes that this vessel is displaying tell us about her?
Ваш ответ правильный:
That she is not under command.15
With the Master on the bridge, when is the Officer of the Watch officially relieved of their responsibility for the vessel?
Ваш ответ правильный:
When the Master informs the Officer of the Watch that he is taking over the “con”.16
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”?
Ваш ответ правильный:
Eight (8).17
You are approaching a port in a snowstorm. You hear this signal. What kind of vessel is it and what is it doing?
Ваш ответ правильный:
It comes from a vessel engaged in pilotage duties and it is making way through the water.18
You are proceeding along a narrow channel and approaching a bend, on the inside shore of which is a large hill, which obsures your view further up channel. What sound signal will you make to indicate your presence to any vessel that is behind the obstructing hill?
Ваш ответ правильный:
One prolonged blast.19
The ship is navigating in dense fog where the visibility is less than one mile. The Arpa radar is set on a range 12 miles on a course of 314° and own ship has a vector as shown. What is the vector mode selected on the Arpa?
Ваш ответ правильный:
True vectors.20
The tug has been released and is all clear. As officer in charge of that operation, should this be reported and to whom?
Ваш ответ правильный:
Reported all clear to the Bridge.21
What is happening here?
Правильный ответ:
These are two vessels engaged in fishing (pair trawling), showing the additional volutary signals for hauling nets.Ваш ответ:
These are two vessels engaged in fishing (pair trawling), showing the additional voluntary signals for shooting nets.22
What would be the effects of a ship passing into shallow water?
Ваш ответ правильный:
The ship is less responsive to both rudder and propeller.23
The ship is drifting in the open sea with a temporary engine breakdown. The ship is equipped with GPS navigation equipment. What should the bridge Officer of the Watch do in this situation?
Ваш ответ правильный:
All of the possible answers.24
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?
Ваш ответ правильный:
The rudder can be put to Hard to Port to reduce the water from to the right side of the propeller.25
In a canal without water flow, if a vessel was approaching a bank at an angle, what would be the probable effect on it?
Ваш ответ правильный:
The vessel’s bow is pushed away from the bank.26
The Second Officer, when on watch on the bridge, is often referred to as the OOW. What does OOW actually stand for?
Ваш ответ правильный:
Officer of the Watch.27
What is the depth of an iceberg below the surface of the sea?
Ваш ответ правильный:
The draught of an iceberg varies with the type of berg and its age.28
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?
Ваш ответ правильный:
When the ship swings to the tide the direction of swing should be controlled to avoid the anchor cables becoming wrapped round each other.29
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?
Ваш ответ правильный:
It exceeds 200 metres.30
How can an ARPA assist the ship to steer a suitable course to make good the entrance to a channel?
Ваш ответ правильный:
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.31
Is the location of the Compass Binnacle critical?
Ваш ответ правильный:
Yes, for the reasons stated in all of the suggested answers.32
What does this flag mean?
Ваш ответ правильный:
I have a diver down; keep well clear at slow speed.33
What is the depth of an iceberg below the surface of the sea?
Ваш ответ правильный:
The draught of an iceberg varies with the type of berg and its age.34
If a mooring winch brake tension is set to 60 tons, the setting has a safely allowance, what would be the maximum breaking load (MBL) of a wire used on the winch?
Ваш ответ правильный:
100 tons.35
What is the correct understanding of the term “bank effect”? If a ship was approaching the bank at an angle, what would be the effect on the ship?
Ваш ответ правильный:
The vessel’s bow is pushed away from the bank.36
What sound signal shall be used on ship’s whistle when there is a man overboard?
Ваш ответ правильный:
3 long blasts repeatedly.37
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.
Ваш ответ правильный:
1 = a, 2 = b, 3 = c and 4 = d.38
When making a new pilot ladder onboard the ship, which of the following ropes would be best suited as the side ropes on which the steps are fastened?
Ваш ответ правильный:
Uncovered manila rope.39
Which approved publication should be used by a seafarer to help overcome any misunderstanding in communications?
Ваш ответ правильный:
The (IMO) Standard Marine Communication Phrases (SMCP) booklet.40
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?
Правильный ответ:
Yes, the turning force will be dramatically reduced when the engine is stopped.Ваш ответ:
Yes, the turning force will be reduced to about 50 % of the original force when the engine is stopped.41
The following vessels are all required to make the same sound signal when in or near an area of restricted visibility: a vessel not under command; a vessel restricted in her ability to manoeuvre; a vessel constrained by her draught/a sailing vessel; a vessel engaged in fishing; a vessel engaged in towing or pushing another vessel. What is that signal?
Ваш ответ правильный:
One prolonged blast, followed by two short blasts, at intervals of not more than 2 minutes.42
Is the location of the Compass Binnacle critical?
Ваш ответ правильный:
Yes, for the reasons stated in all of the suggested answers.43
Which of the answers best summarises the information which should be provided for the bridge Officer of the Watch within an effective Voyage plan?
Ваш ответ правильный:
All of the suggested answers.44
You are in an area of restricted visibility. You hear this sound signal. What does it mean?
Ваш ответ правильный:
That there is a vessel in distress nearby.45
According to rule 12 of the International Regulations for Preventing Collisions, in the situation illustrated, which sailing vessel (A or B) must keep out of the way of the other?
Ваш ответ правильный:
Both sailing vessels are required to take avoiding action.46
What is the purpose of a sea anchor deployed from a lifeboat?
Ваш ответ правильный:
To keep the lifeboat’s heading against the wind and sea and reduce drift.47
What does this signal flag indicate when seen on a vessel in a port approach?
Ваш ответ правильный:
I am in distress and require immediate assistance.48
What is understood by the term “Dew point” of the air?
Ваш ответ правильный:
The temperature at which water vapour in the air forms into water droplets.49
Which of the four figures illustrated shows the correct position line for the following situation: Latitude 50° 00′ N, Longitude 30° 00′ W, Time 1200 GMT. Course steered: 090° True, Speed: 12 knots, bearing of the sun: 200°, Intercept correction: 00° 02′ Towards (observed altitude – computed altitude).
Ваш ответ правильный:
Figure 1 is correct.50
A balanced rudder has some of the rudder area forward of the rudder axis. About how much area should this be to call it a balanced rudder?
Ваш ответ правильный:
It should be about 20 %.51
What action should the Officer of the Watch (OOW) take if he is forced to make a major deviation from the voyage plan?
Ваш ответ правильный:
Inform the Master.52
When navigating using the GPS, how does the GPS display indicate when the accuracy of the displayed position is reduced?
Ваш ответ правильный:
A large HDOP value is displayed on the screen.53
You are proceeding along a coastal route when you hear this signal. The visibility is severely restricted. What does the signal mean?
Правильный ответ:
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”.Ваш ответ:
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”.54
What is correct UTC in this example? Approx. Pos: N49° 51′ W35° 23′, zone +2, Local Time 0900.
Ваш ответ правильный:
11 00.55
According to rule 13 of the International Regulations for Preventing Collisions at Sea, what is the definition of “an overtaking vessel”?
Ваш ответ правильный:
When coming up with another vessel from a direction more than 22,5° abaft her beam.56
If the radar is set onto the Relative Motion Display, what would an echo of a target with no trail indicate? Note this the trail of the echo and not a vector.
Ваш ответ правильный:
The target is on the same course and speed as own ship.57
What is the direction of wind associated with an anticyclone (area of high pressure) in the Northern Hemisphere?
Ваш ответ правильный:
Clockwise around the high pressure.58
What are we seeing here?
Ваш ответ правильный:
A sailing vessel less than 20 metres in length, displaying the optional combined lantern in lieu of standard sailing lights, seen head-on.59
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?
Ваш ответ правильный:
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.60
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?
Ваш ответ правильный:
Master and Engine Room.61
The ship is involved in a collision, what is the immediate action by the Officer of the Watch after the incident has taken place?
Ваш ответ правильный:
Sound the General Alarm and stop engines.62
The IMO Standard Marine Communication Phrases are recommended to be used when the ship’s Officer is verbally talking to whom?
Ваш ответ правильный:
In circumstances described in all of the answers provided.63
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?
Ваш ответ правильный:
At intervals not exceeding 9 steps.64
Who is ultimately responsible for approving the voyage plan?
Ваш ответ правильный:
The Master.65
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?
Ваш ответ правильный:
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.66
The maximum rudder angle on your ship is 35°. Do you think this is the angle that the rudder is most effective?
Ваш ответ правильный:
No, the most effective rudder angle is about 25 to 30°, this is because the rudder is stalling at 35° angle.67
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?
Ваш ответ правильный:
Sailing vessel A must keep out of the way of sailing vessel B.68
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?
Ваш ответ правильный:
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.69
What is the two letter signal, to be used by flags, radiotelephony or radiotelegraphy, meaning “Calling All Ships”?
Ваш ответ правильный:
CQ.70
When splicing an eye on a mooring wire (using the recommended 5 full tucks and 2 half tucks) the effective breaking strength of the wire may be affected by the splice. What would be the anticipated change in the breaking strength of the wire?
Ваш ответ правильный:
A reduction in strength of 10 % to 15 %.71
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?
Ваш ответ правильный:
Attempt to diplomatically avoid taking any actions that would put the ship or crew into danger and call the Chief Officer for assistance.72
What does this flag mean?
Ваш ответ правильный:
I have a diver down; keep well clear at slow speed.73
In the figure, which letter gives the correct understanding of the term “LENGTH OVERALL”?
Ваш ответ правильный:
Length Overall is indicated by B, in the figure.74
What is the correct understanding of the term “Block Coefficient” as applied to a ship?
Ваш ответ правильный:
The comparisons of the underwater shape of the ship, to a rectangular block of the same extreme dimensions.75
What is important to check when transferring a position from the GPS receiver to a paper chart?
Ваш ответ правильный:
That the chart datum is also WGS84 or there are corrections.76
What sound signal can be made when nearing a bend in a river, with the view around the bend obscured by an intervening obstruction?
Ваш ответ правильный:
One prolonged blast.77
When using the echo sounder in a river the soundings indicated may be incorrect, what would be the most probable cause of the error?
Ваш ответ правильный:
The density of the water.78
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?
Ваш ответ правильный:
Figure 4 is correct.79
What are the two parts of the magnetic compass error?
Ваш ответ правильный:
Variation and Deviation.80