Test for Officers onboard about Navigation, Operational Level (CES v6.0)

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Правильные ответы:
1

Can the OOW be the sole lookout?

Ваш ответ правильный:

During daylight when visibility and traffic allows.
2

What corrections must be applied to the echo sounder reading to compare the depth of water with the depth printed on the chart?

Ваш ответ правильный:

Draught of the ship.
3

How will the ship behave if it experiences a complete loss of power (black out) in the situation illustrated?

Ваш ответ правильный:

The vessel will gradually swing to port and the speed will slowly reduce.
4

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”.
5

What is the situation of this vessel?

Ваш ответ правильный:

This vessel is not under command, but is making way through the water.
6

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?

Ваш ответ правильный:

By asking other officers and practicing with the use of the equipment.
7

What is “AIR DRAUGHT”, in the figure?

Ваш ответ правильный:

Air draught is indicated by C, in the figure.
8

After passage planning with ECDIS, how should the route be checked for safety?

Ваш ответ правильный:

Using the ECDIS route checker and by visually sighting all along it.
9

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.
10

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.
11

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.
12

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.
13

Which statement best describes how land moves, if at all, on an ECDIS set in North-up, relative motion mode?

Ваш ответ правильный:

Land on the chart screen moves relative to the ship symbol.
14

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.
15

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?

Ваш ответ правильный:

Yes, the lift force will be dramatically reduced when the engines are stopped.
16

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.
17

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?

Ваш ответ правильный:

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.
18

Why should a Ground Stabilised True Motion radar display not be used for anti-collision purposes?

Ваш ответ правильный:

The “aspect” of the target is confused, so the Regulations for Preventing Collisions cannot be accurately applied.
19

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?

Правильный ответ:

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.

Ваш ответ:

I will keep out of her way. I am the overtaking vessel and am obliged to keep clear under rule 13.
20

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.
21

What is the correct understanding of the term “Isobar”?

Ваш ответ правильный:

An “Isobar” is a line joining places of equal pressure.
22

You are in an area of restricted visibility, close to a port. You hear this signal. What vessel does it come from and what additional information does the signal provide?

Ваш ответ правильный:

A vessel at anchor, more than 100 metres in length. She is sounding the additional signal to give warning of her position.
23

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?

Ваш ответ правильный:

No. 2.
24

When plotting a position, where should the Officer of the Watch select as the ships position, when three gyro compass bearings intercept as a triangle (Cocked Hat) and not as a single point?

Ваш ответ правильный:

At the point nearest to the danger, if any.
25

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?

Ваш ответ правильный:

Risk of collision is deemed not to exist and I will maintain my course and speed. I will continue to monitor the situation.
26

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?

Ваш ответ правильный:

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.
27

Is the location of the Compass Binnacle critical?

Ваш ответ правильный:

Yes, for the reasons stated in all of the suggested answers.
28

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.
29

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.
30

What possible reason could there be for the identification mark associated with a Racon not being visible on the radar screen?

Ваш ответ правильный:

All of the suggested answers.
31

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.
32

What immediate actions should the Officer of the Watch take when the ship goes aground on an uncharted shoal in the middle of the ocean?

Ваш ответ правильный:

Stop engines and call the Master.
33

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.

Правильный ответ:

1 = a, 2 = b, 3 = c and 4 = d.

Ваш ответ:

1 = c, 2 = d, 3 = a and 4 = b.
34

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?

Ваш ответ правильный:

The assistance of your vessel is no longer required.
35

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.
36

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?

Ваш ответ правильный:

All winches to be left with the manual brake on and out of gear.
37

What is understood by the term “Dew point” of the air?

Ваш ответ правильный:

The temperature at which condensation in the air forms into water droplets.
38

What are the required data inputs into most gyro compasses to reduce any possible compass error?

Ваш ответ правильный:

Latitude and Speed.
39

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.
40

Is the location of a vessel’s standard compass binnacle critical?

Ваш ответ правильный:

Yes, for the reasons stated in all of the suggested answers.
41

According to the International Regulations for Preventing Collisions and the illustrated lights, what type of vessel is this and from what direction is it viewed?

Ваш ответ правильный:

This is a vessel engaged in fishing other than trawling, making way through the water, with outlying gear extending more than 150 metres in the direction of the all-round red light. Looking at it from astern.
42

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.
43

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.
44

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.
45

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?

Ваш ответ правильный:

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.
46

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.

Ваш ответ правильный:

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.
47

The vessel is steaming off the coast when the engine room informs the bridge it must stop engines immediately. Shortly afterwards they informed the bridge they would need a least three hours to fix it. Which of the following actions would be the most suitable taken by the bridge?

Ваш ответ правильный:

Display the NUC signal, maintain the watch and determine how the ship is drifting and the probable position after 3 hours.
48

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 %.
49

What does this signal hoist mean?

Ваш ответ правильный:

I require immediate assistance.
50

When should a ship’s officer use some of the English language found in the IMO’s publication “Standard Marine Communication Phrases”?

Ваш ответ правильный:

In circumstances described in all of the answers provided.
51

What would be considered the most favourable heading of a ship when launching a lifeboat?

Ваш ответ правильный:

The ship should steer about 30° off the prevailing weather and sea with the boat to be launch on the leeside.
52

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.
53

What is the two letter signal, to be used by flags, radiotelephony or radiotelegraphy, meaning “Calling All Ships”.

Ваш ответ правильный:

CQ.
54

What can be simply rigged to assist a survival craft in keeping alongside own vessel?

Ваш ответ правильный:

A painter rigged fore and aft against the vessel’s side.
55

When should gangway nets be rigged?

Ваш ответ правильный:

Whenever the gangway is rigged.
56

If a DSC distress alert is received on board your ship, what is the first action that should be taken?

Ваш ответ правильный:

Listen for a distress message on the appropriate radio frequency for five minutes.
57

What are the main components causing the magnetic compass to require a regular evaluation and compass correction?

Ваш ответ правильный:

Permanent and induced magnetism in the ships structure.
58

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.
59

Ships vary considerably in design and underwater shape, but does the ship’s trim ever have any influence on its steering abilities?

Ваш ответ правильный:

Yes, the ship often steers better if trimmed by the stern.
60

Where would the “pivot point” be considered to be located when the ship is proceeding at full speed ahead and there is no wind or current?

Ваш ответ правильный:

At about 1/6 of the ship’s length from the bow.
61

What radar device assists in the detection and location of a survival craft?

Ваш ответ правильный:

SART beacon.
62

In the diagram, the amount of water under the keel is indicated by the letter “C”. Which bridge instrument would measure this value?

Ваш ответ правильный:

Echo Sounder.
63

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.
64

Which method is used to make a physical connection between a rescue vessel and a wreck?

Ваш ответ правильный:

Rocket line.
65

What methods could be introduced into a passage plan for continuous monitoring of the ships position when navigating along a coastline?

Ваш ответ правильный:

Parallel Index lines.
66

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.
67

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.
68

What is the probable cause of an error in position of the ship obtained from the GPS system?

Ваш ответ правильный:

Incorrect height of the antenna.
69

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.
70

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?

Ваш ответ правильный:

Give the engines a short kick ahead.
71

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.
72

What sound signal shall be used on ship’s whistle when there is a man overboard?

Ваш ответ правильный:

3 long blasts repeatedly.
73

During an STS operation with one ship at anchor, should an anchor watch be maintained?

Ваш ответ правильный:

Both ships have normal anchor watch responsibility in addition to watching ship to ship fendering, mooring etc.
74

What is the colour and characteristic of a “towing light”, as defined in the International Regulations for Preventing Collisions at Sea?

Ваш ответ правильный:

Yellow, fixed, seen over an arc of 135° and so arranged as to display 67,5° from right aft on each side of the vessel.
75

You are proceeding along a narrow channel in front of another vessel, both heading for port. You hear this signal from the vessel behind you. What does it mean?

Ваш ответ правильный:

I intend to overtake you on your port side.
76

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.
77

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.
78

What is happening here?

Ваш ответ правильный:

These are two vessels engaged in fishing (pair trawling), showing the additional volutary signals for hauling nets.
79

Where can a ship expect an act of piracy to take place?

Ваш ответ правильный:

All over the world.
80

What, by definition in the International Collision Regulations, is a “vessel restricted in her ability to manoeuvre”?

Ваш ответ правильный:

A vessel which from the nature of her work is restricted in her ability to manoeuvre as required by the Rules and is therefore unable to keep out of the way of another vessel.
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