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Crew Evaluation Test online for seamans about Navigation in Ice

“Seagull CES marine test online about Navigation in Ice” (Crew Evaluation Test) will help marine specialists in preparation to exams for getting certificate of confidence.

This test contains 43 questions. Mode “Practice” and “Exam” have one difference – in “Exam” mode you can’t ask the computer to show you the right answer.

Choose mode in which you want take CES test:

Practice - CES test
Practice
Exam - CES test
Exam
Start test
An iceberg has a minimum height above sea level of:
2 meters.
5 meters.
7 meters.
10 meters.
Next question
Anchoring in ice covered waters are:
No problem.
Not recommended.
Only to be done in deep water.
Unsafe.
Next question
Another name of first year ice is:
Green ice.
Blue ice.
White ice.
Cream ice.
Next question
Backing in ice:
Is a dangerous manoeuvre.
Is a safe manoeuvre.
Is a safe manoeuvre with the rudder hard a port.
Is a safe manoeuvre with the rudder to starboard.
Next question
Berthing in ice covered water is normally:
Not a problem.
A problem.
A long process.
To be avoided.
Next question
Close range hazard detection should be done:
Visually.
By radar.
Visually and by radar.
By GPS.
Next question
Detection of low icebergs on radar should include:
Careful observation of all small radar targets.
Observation of a radar shadow behind the target.
Observation only of large targets.
Observation of targets close to other ships.
Next question
How can you reduce the risk of hull damage when executing “ramming”?
Use maximum speed.
Use minimum speed.
Stop engine before ramming.
Rudder amidships before ramming.
Next question
How many primary groups of steel is used in ship construction?
1.
2.
3.
4.
Next question
Icebergs normally move with the:
Wind.
Current.
The resultant of wind and current.
Wind and current does not influence the movement of icebergs.
Next question
If possible, an iceberg should be passed:
On the windward side.
On the leeward side.
Astern.
Ahead.
Next question
If the speed of the ship is increased from 8 to 12 knots, the force of impact has:
Decreased.
Increased a little.
Increased 4 times.
More than doubled.
Next question
In connection with icebreaker operations, what does code letter “A” mean?
Go astern.
Stop.
Anchor.
Go ahead.
Next question
In connection with icebreaker operations, what does code letter “E” mean?
Increase distance.
I am altering course to port.
I am altering course to starboard.
Remember to listen to the radio.
Next question
In low temperature, what is important to do when hot fluid is loaded?
Start with very low loading rate.
Start with highest possible loading rate.
Stop loading.
Wait until the temperature rise.
Next question
In regards to radar imaging, ice is defined as:
A very good radar target.
A good radar target.
A poor radar target.
Not being visible on radar.
Next question
In traditional ice breaker design the distance between main frames is approximately:
20 cm.
30 cm.
40 cm.
60 cm.
Next question
New ice is recognized by its characteristic:
Matt appearance.
Glossy appearance.
Greenish appearance.
Brown appearance.
Next question
Old ice is more than:
One year old.
Two years old.
Three years old.
Five years old.
Next question
Pancake ice consists of circular pieces of ice with a diameter of:
10-30 cm.
30-100 cm.
50-150 cm.
30-300 cm.
Next question
The accuracy of charts in the Arctic can be expected to be:
Good.
Poor.
Same as the rest of the globe.
Better than normal.
Next question
The first principle of successful navigation in ice is:
Avoid going astern.
Avoid stopping.
Avoid night operations.
Avoid slow speed.
Next question
The stern design of an icebreaker is mainly controlled by:
The number of propellers.
The design draft of the icebreaker.
The number of rudders.
The engine power.
Next question
The thickness of young ice is normally between:
5 and 10 cm.
10 and 15 cm.
10 and 30 cm.
30 and 40 cm.
Next question
Under some atmospheric conditions white lights may take on:
A reddish hue.
A bluish hue.
A greyish hue.
A yellowish hue.
Next question
What is an “Ice horn”?
A ice formation normally found in Arctic waters.
A very high iceberg.
Wedge shaped structure to help protect the rudder when going astern.
A tasty drink.
Next question
What is the effect of low temperature on steel?
No effect.
Increase brittleness.
Decrease brittleness.
Little effect.
Next question
What is the meaning of “Tripping” when used in connection with Arctic ship design?
A ship designed according to Arctic shipping rules.
A high speed engine stall.
A major generator failure.
Collapse of a frame against the side shell.
Next question
What is the purpose of “rudder stops”?
To protect the rudder and steering gear from damage during backing.
To increase the rudder stall angle.
To reduce steering gear power consumption.
To be able to operate with only one steering gear operational.
Next question
What is “nilas”?
A massive piece of ice.
Ridged ice.
Rafted ice.
A thin elastic crust of ice.
Next question
What rudder position is recommended to obtain minimum loads on the steering gear when going astern?
Amidships.
Hard a port.
Hard a starboard.
No special position.
Next question
What type of chart projection is not suitable for use in high latitudes?
Lambert.
Grid.
Polar grid.
Mercator.
Next question
When a ship is expected to enter areas with very cold air, what should be done with tanks and lines?
Filling all tanks and lines with water.
Stripping all lines and tanks for water.
Insulate all possible tanks and lines.
Nothing.
Next question
When an icebreaker is breaking a track through large heavy floes at slow speed, the track can be expected to be how wide?
10-20 % wider than the icebreaker beam.
30-40 % wider than the icebreaker beam.
50-60 % wider than the icebreaker beam.
70-80 % wider than the icebreaker beam.
Next question
When can the tactics for execution of a voyage start?
Once the planning of the passage is completed.
After careful route selection.
After approval from the owner.
After approval from the ship owner an charter.
Next question
When entering ice, the speed should be:
Very low.
Slow.
Manoeuvring speed.
High.
Next question
When in ice, one important basic rule is:
Use high speed.
Work against the ice movement.
Keep moving.
Stop moving.
Next question
When operating in ice, course changes should be executed when:
As soon as possible.
At full speed.
At dead slow speed.
If possible in open water.
Next question
When the concentration of drift ice is higher than 7/10 the term drift ice may be replaced by the term:
Floe.
Iceberg.
Pack ice.
Nilas.
Next question
When will towing normally be provided by the icebreaker?
When requested by escorted ships Master.
On Owners request.
In an emergency.
Never.
Next question
Which materials are most used in propeller blades for icebreakers and ice breaking cargo ships?
High quality steel.
Stainless steel and nickel-aluminium bronze.
Carbon fire.
Stainless steel and carbon fire.
Next question
Which ships produce waste?
Tankers.
Dry cargo ships.
Passenger ships.
All ships.
Next question
Which type of glacial ice is most difficult to detect?
Glowlers.
Bergy bits.
Icebergs.
Pack ice.
Show result
* In some questions may be more, than one right answer.
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Апрель, 04, 2022 367 0
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