Assessment: Operations in Polar Waters - Machinery and Engineering
- 15
- Questions
- No time limit
- 2
- Attempts left
- 70%
- Passing threshold
Question 1 of 15
What main advantage does an azimuth drive have over a conventional propeller drive in polar waters?
Correct - Azimuth drive has no rudder which means fewer components that may be damaged by ice.
Incorrect - You should review the Propulsion and Steering Systems used in Polar Waters section.
Question 2 of 15
Is this statement true or false? 'Any essential equipment or system which is deemed required to ensure the safe operation of the specific ship, or any systems provided onboard for preventing pollution, should be provided with a single heating system.'
Correct - This statement is false. Any essential equipment or system which is deemed required to ensure the safe operation of the specific ship or any systems provided onboard for preventing pollution, if located in spaces that might be subject to the extreme temperature outside, should be provided with an independent heating system in the case of failure of the primary heating system.
Incorrect - You should review the Propulsion and Steering Systems used in Polar Waters section.
Question 3 of 15
How many polar classes are defined under the general descriptions of the polar code?
Correct - The polar code lists 7 general classes for ice.
Incorrect - You should review the Polar Class Ships section.
Question 4 of 15
Where are polluting emissions defined?
Correct - Polluting emissions are all defined under Annex VI of MARPOL.
Incorrect - You should review the Precautions when Transiting MARPOL Special Areas or PSSAs section.
Question 5 of 15
Is this statement true or false? 'Double bottoms over the entire breadth and length between the forepeak and afterpeak bulkheads must be available on all polar class ships.'
Correct - This statement is true. Double bottoms over the entire breadth and length between the forepeak and afterpeak bulkheads must be available on all polar class ships.
Incorrect - You should review the Polar Class Ships section.
Question 6 of 15
Where can the information with regards to Areas to Be Avoided (ATBAs) be found?
Correct - Areas to be avoided (ATBAs) are published for Arctic and Antarctic waters and these should be noted and duly avoided. More information on ATBAs can be found in IMO SN.1/Circ.331.
Incorrect - You should review the Precautions when Transiting MARPOL Special Areas or PSSAs section.
Question 7 of 15
Is this statement true or false? 'It is common to have significant cladding and protections for the propeller. This extra steel does not affect the performance overly, but it is there to ensure that larger pieces of floating ice do not strike the propeller directly.'
Correct; well done. True. It is common to have significant cladding and protections for the propeller. This extra steel does not affect the performance overly, but it is there to ensure that larger pieces of floating ice do not strike the propeller directly.
Incorrect - You should review the Propulsion and Steering Systems used in Polar Waters section.
Question 8 of 15
Is this statement true or false? 'Ballast water systems may be fitted with some heating arrangement to ensure that the water does not freeze and cause damage to the ship. However, cycling the ballast water may be acceptable to meet the classification requirements for operating in polar waters.'
Correct- This statement is true. Ballast water systems may be fitted with some heating arrangement to ensure that the water does not freeze and cause damage to the ship. However, cycling the ballast water may be acceptable to meet the classification requirements for operating in polar waters.
Incorrect - You should review the Adverse Effects of Cold Climates on Ship's Cargo and Ballast Systems section.
Question 9 of 15
What may occur in polar waters due to icing on the superstructure?
Correct - Accretion of ice may lead to a reduction of positive stability and a dangerous condition.
Incorrect - You should review the Preparation Prior to Entry in Polar Waters section.
Question 10 of 15
'Polar Class 1 (PC1) is the lowest level of classification and has the smallest window of operation in polar waters.' Is this statement true or false?
Correct - This statement is false. Polar Class 1 (PC1) is the highest level of classification and has the most open window of operation in polar waters.
Incorrect - You should review the Polar Class Ships section.
Question 11 of 15
Why are CPP-type propellers usually found on polar-classed vessels?
Correct - CPP-type propellers are usually found on polar-classed vessels because they are continuously turning even when the vessel is stopped in the water.
Incorrect - You should review the Propulsion and Steering Systems used in Polar Waters section.
Question 12 of 15
For how long may oil pollution impact a marine ecosystem?
Correct - Oil pollution may impact a marine ecosystem for 50 years or more.
Incorrect - You should review the Precautions when Transiting MARPOL Special Areas or PSSAs section.
Question 13 of 15
'Polar Class 7 (PC7) is the lowest level of classification and has the smallest window of operation in polar waters.' Is this statement true or false?
Correct - This statement is true. Polar Class 7 (PC7) is the lowest level of classification and has the smallest window of operation in polar waters.
Incorrect - You should review the Polar Class Ships section.
Question 14 of 15
Who issues the certificate reflecting the "ice-class" features on a specific vessel?
Correct - The "ice-class" features allow for greater survivability and flexibility in navigating frozen waters and will be reflected in the vessel's certification from the Classification Society she is registered with.
Incorrect - You should review the Polar Class Ships section.
Question 15 of 15
What is considered to be the most prevalent threat to Polar Waters?
Correct - Oil pollution is considered to be the most prevalent threat to polar waters from vessels.
Incorrect - You should review the Precautions when Transiting MARPOL Special Areas or PSSAs section.
You Passed This Quiz. Let’s Move On!
What main advantage does an azimuth drive have over a conventional propeller drive in polar waters?
Is this statement true or false? 'Any essential equipment or system which is deemed required to ensure the safe operation of the specific ship, or any systems provided onboard for preventing pollution, should be provided with a single heating system.'
How many polar classes are defined under the general descriptions of the polar code?
Where are polluting emissions defined?
Is this statement true or false? 'Double bottoms over the entire breadth and length between the forepeak and afterpeak bulkheads must be available on all polar class ships.'
Where can the information with regards to Areas to Be Avoided (ATBAs) be found?
Is this statement true or false? 'It is common to have significant cladding and protections for the propeller. This extra steel does not affect the performance overly, but it is there to ensure that larger pieces of floating ice do not strike the propeller directly.'
Is this statement true or false? 'Ballast water systems may be fitted with some heating arrangement to ensure that the water does not freeze and cause damage to the ship. However, cycling the ballast water may be acceptable to meet the classification requirements for operating in polar waters.'
What may occur in polar waters due to icing on the superstructure?
'Polar Class 1 (PC1) is the lowest level of classification and has the smallest window of operation in polar waters.' Is this statement true or false?
Why are CPP-type propellers usually found on polar-classed vessels?
For how long may oil pollution impact a marine ecosystem?
'Polar Class 7 (PC7) is the lowest level of classification and has the smallest window of operation in polar waters.' Is this statement true or false?
Who issues the certificate reflecting the "ice-class" features on a specific vessel?
What is considered to be the most prevalent threat to Polar Waters?
Too Bad! But That Wasn't Enough
What main advantage does an azimuth drive have over a conventional propeller drive in polar waters?
Is this statement true or false? 'Any essential equipment or system which is deemed required to ensure the safe operation of the specific ship, or any systems provided onboard for preventing pollution, should be provided with a single heating system.'
How many polar classes are defined under the general descriptions of the polar code?
Where are polluting emissions defined?
Is this statement true or false? 'Double bottoms over the entire breadth and length between the forepeak and afterpeak bulkheads must be available on all polar class ships.'
Where can the information with regards to Areas to Be Avoided (ATBAs) be found?
Is this statement true or false? 'It is common to have significant cladding and protections for the propeller. This extra steel does not affect the performance overly, but it is there to ensure that larger pieces of floating ice do not strike the propeller directly.'
Is this statement true or false? 'Ballast water systems may be fitted with some heating arrangement to ensure that the water does not freeze and cause damage to the ship. However, cycling the ballast water may be acceptable to meet the classification requirements for operating in polar waters.'
What may occur in polar waters due to icing on the superstructure?
'Polar Class 1 (PC1) is the lowest level of classification and has the smallest window of operation in polar waters.' Is this statement true or false?
Why are CPP-type propellers usually found on polar-classed vessels?
For how long may oil pollution impact a marine ecosystem?
'Polar Class 7 (PC7) is the lowest level of classification and has the smallest window of operation in polar waters.' Is this statement true or false?
Who issues the certificate reflecting the "ice-class" features on a specific vessel?
What is considered to be the most prevalent threat to Polar Waters?
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