Which one of the following options best describes the main way or ways that cavitation is created within a ballast water treatment system? It is produced by injecting gas into the water or by using ultrasonic waves It is produced by spinning a set of small propellers within the water flow It is produced by electrical discharges from a ring of electrodes It is produced by spinning the water around in a tight circle Which one of the following options best describes how ballast water can be deoxygenated within a ballast water treatment system? By creating a vacuum above the water or by adding an inert gas with a low oxygen level By creating a vacuum above the water using a vacuum pump By breaking the oxygen from water using ultrasonic waves By injecting chemicals that react with and use up the oxygen in the water Which one of the following options best describes how the IMO has addressed safety concerns about the use of “active substances” as part of a ballast water treatment system? The risks to the crew and the marine environment from active substances must be assessed before they are approved for use Chemical data sheets are required by SOLAS Chemical data sheets are required by MARPOL They are to be handled in accordance with MARPOL Annex II When were the problems caused by invasive aquatic species first brought to the attention of the IMO by a member State? The 1980s The 1990s The 1920s 2004 Which one of the following options is the best estimate of the number of different species believed to be currently carried in ballast tanks around the world each day? Around 70 Around 700 Around 7,000 Around 70,000 Where would you find a detailed description of the ballast water management procedures for a ship which complies with the Ballast Water Management Convention? In the captain’s safe In the Ballast Water Management Plan In the Safety Management System In the SOLAS training binder According to the Ballast Water Management Convention which one of the following events must be recorded in the Ballast Water Record Book? Transfer of ballast to correct a list Bunker figures Circulation or treating of ballast water Distance to waypoint when taking on ballast Which one of the following options contains the names of two of the methods for ballast water exchange at sea described in the Ballast Water Management Convention? Sequential and Mechanical Sequential and Flow-through Flow-through and Mechanical Dilution and Overfilled How many times the volume of a ballast tank would you expect to have to pump in order to meet the Ballast Water Management Convention requirement of a 95% change of the water if using the flowthrough method of ballast exchange? Can a coastal or port State which has signed up to the Ballast Water Management Convention implement stricter rules than laid down by the IMO without prior notice? Yes – but only if an emergency or epidemic situation is declared No - six months notice must be given before stricter rules are enforced Yes - port States can make any rules they want without giving any prior notice No – the standards in the Convention must be used at all times Which one of the following options is a technique that may be used as part of a ballast water treatment system approved under the procedures in the Ballast Water Management Convention? Electrochemical Activated Water Activated charcoal Aging Oxygenation Which one of the following options would be the best way to find out who the Ballast Water Management Officer is on your ship and what their responsibilities are? Look in the ship’s Ballast Water Management Plan Look at the ship’s muster list Look in the ship’s SOPEP Look in the ship’s emergency response plan If you are on a ship which meets the requirements of the Ballast Water Management Convention which one of the following best describes how you can find out where the ballast water sampling points are located? In the Ballast Water Management Plan In the Safety Management System In the Trim and Stability Booklet On the Damage Control Plan Ships have been loading and discharging ballast water for many years Which one of the following best describes why invasive species like Mitten Crabs HAVE NOT spread all around the world? Alien species can only invade where environmental conditions in their new surroundings are similar to those where they were brought from Mitten Crabs not like cold water Alien species only invade warm water environments Alien species only invade cold water environments Which one of the following options best describes the precaution that all ships, whether they are using ballast exchange or treatment, can take to try and minimise the chances of transporting an alien species to an area where it may be invasive? Try to take on ballast where the number of organisms in the water is low Try to heat the ballast using sunshine or waste heat from engines Try to take on ballast only when inside ports Try to keep ballast pump sea strainers clean Previously, the main way of dealing with organisms and pathogens in ballast was by exchanging the water during the voyage Which one of the following best explains why the Ballast Water Management Convention requires ships to install ballast treatment systems? The technology is now available to treat ballast to a higher standard than obtained by exchange Ballast treatment is generally a cheaper option than ballast exchange Ballast treatment systems are simpler to operate than ballast exchange methods are The ISPS Code has been amended to encourage the use of treatment systems so as to prevent alien species getting on board Which one of the following options best describes the main aim of the Ballast Water Management Convention? To prevent the movement of harmful aquatic organisms and pathogens To prevent the movement of pathogens To reduce the use of water for ballast on ships To prevent the pollution of the sea by coastal muds Which one of the following best describes the main function of the Ballast Water Management Plan required by the Ballast Water Management Convention? To ensure that ballast treatment is carried out effectively and safely To ensure that ballast exchange is carried out safely To ensure that ballast is loaded and discharged safely To ensure that ballast loaded in one port is not allowed to contaminate ballast from another location Which one of the following describes the best way to find out how to take on ballast on a ship which complies with the Ballast Water Management Convention? Read the Ballast Water Management Plan Read the manufacturers manual for the ballast water treatment system Complete Seagull CBT No 27 Read the Stability Book Which one of the following describes the Ballast Water Management Convention requirements for keeping ballast water records? Two years records must be available on board, with records for the preceding years being kept under the control of the company Two years records must be available on board or kept under the control of the company Records must be available on board until the ship is scrapped Records must be available on board for years Which one of the following describes the best way to find out if a ship with an International Ballast Water Management Certificate has been granted any exemptions? Any exemptions must be recorded in the Ballast Water Record Book Any exemptions will be listed on the IMO website Any exemptions will be in the ship’s certificate file Any exemptions will be listed on the ship’s Classification Certificate Which one of the following best describes the Ballast Water Management Convention requirements for the control systems of approved ballast treatment systems? The control system must record critical data for the last years in a form that can be displayed or printed for inspectors to see The control system must print out the date and time when of any of the required alarms sounded The control system must be serviced by the manufacturers at least once per year The control system must display information in the working language of the ship Which one of the following best describes the Ballast Water Management Convention requirements for ships which only trade within a limited area? Ships which only load and discharge ballast water within a common ecosystem can be exempted from the requirement to fit a ballast treatment system Ships which only trade within a limited area not need to carry ballast water Ships which only load and discharge ballast water within a common ecosystem only need to install a Class B ballast treatment system Offshore supply vessels or tugs which only operate from one port can be exempted from the requirement to use ballast reception facilities Which one of the following best describes the Ballast Water Management Convention requirements for ships which intend to carry out ballast water exchange? Exchange should be performed in water at least 200 metres deep and whenever possible at least 200 miles from land Exchange should be performed in water at least 50 metres deep and whenever possible at least 50 miles from land Exchange should be performed only in designated coastal exchange zones Exchange should be performed while steaming at a minimum of knots while at least 200 miles from land Which one of the following best describes the Ballast Water Management Convention requirements for ships which take water into a ballast tank as a result of a grounding? The flag State and port State must be contacted before the water is pumped out The water will need to be treated before being discharged overboard The water will need to be pumped to a ballast water reception facility The water will need to be discharged overboard as soon as possible Which one of the following best describes the Ballast Water Management Convention requirements for ships which not have treatment systems and are on routes between ports where they are never far enough from land to conduct ballast exchange? Ships can carry out exchanges within designated coastal exchange areas which not meet the normal Convention requirements, if provided Ships must divert their route to meet Convention exchange requirements Coastal States must build ballast water reception facilities by 2016 or ships will need to divert their route to meet Convention exchange requirements Ships must fit treatment systems by the end of 2012 Which one of the following is a technology used in ballast water treatment systems to separate liquids and solids? Coagulation Cohabitation Cavitation Centripetalism Which one of the following best describes the main reason why ships fitted with static filters as part of their ballast water treatment system use them when loading ballast but often bypass them while discharging ballast? The organisms filtered out during discharge need to be collected and disposed of properly Static filters are unreliable and used only when essential Static filters tend to clog with paint and rust when used during discharge The elements inside static filters are expensive and used as little as possible Which one of the following best describes the main reason why ships normally use another treatment technology in their ballast water treatment system in addition to static filtration? Static filtration is unlikely to remove pathogens from the ballast so a second treatment technology is needed Static filters are unreliable so a back up treatment is needed to be safe The running costs of static filters means they are used as a backup treatment only Another treatment technology is fitted so that ballast can be loaded or discharged using gravity instead of the ballast pumps Which one of the following options best describes the basic principle of a “hydrocyclone”, as used in some ballast water treatment systems? Water flow is used to create a vortex in which clean water flows around and upwards with the denser particles falling downwards The rotor in the hydrocyclone throws heavier particles outwards so the clean water can flow downwards Water flow is used to throw heavy particles outwards and through a filter mesh A hydrocyclone is injected into a static filter to clean and extend the life of the filter elements Which one of the following options best describes the basic principle of “flocculation”, as used in some ballast water treatment systems? Flocculants are added to the ballast water to increase the size or density of the particles so they are easier to separate Flocculants are added to the ballast water to kill any organisms or pathogens Flocculation is the act of passing water through a fabric, which removes solids Flocculants are magnetic and cling to rust particles so they are easier to separate Which one of the following options best describes the main advantage of using oxidising biocides as a ballast water treatment? Treatment systems using oxidising biocides are comparatively simple and require little electrical power The running costs of oxidising biocides treatment systems are very low Oxidising biocides are very safe to handle and store Oxidising biocides create no harmful by-product Which one of the following options best describes the main action of non-oxidising biocides when used in a ballast water treatment system? Non-oxidizing biocides kill by disrupting the metabolic or reproductive processes of organisms Non-oxidizing biocides kill by removing the oxygen from the water Non-oxidizing biocides kill by increasing the oxygen level in the water Non-oxidizing biocides kill by emitting radioactivity Which one of the following options best describes the main advantage claimed for using electrochemical activated water as a ballast water treatment? Low electrical demand and no need to supply or handle dangerous chemicals It works at low temperatures, like those found in the Arctic After treatment is not needed It protects ballast tanks against corrosion Which one of the following options best describes the basic principle of using ultra violet (UV) light as a ballast water treatment? It works by damaging the DNA of the living organisms as they pass by the light, so that cells cannot reproduce or regenerate It works by raising the temperature of organisms so that they cannot survive The light produces a chemical in the water which is toxic to aquatic organisms The light reacts with the proteins in cell walls causing them to bend and break Which one of the following options best describes the basic principle used in advanced oxidation technology as a ballast water treatment? It works by light producing free radicals, which destroy the cell membranes of the living organisms It works by raising the temperature of organisms so that they cannot survive Advanced chemical preparations are used to actively target organisms The light reacts with the proteins in cell walls causing them to bend and break Which one of the following options best describes how the Ballast Water Management Convention aims to prevent harmful organisms and pathogens building up within sediment inside ballast tanks? The volume of sediment inside the ballast tanks has to be monitored at regular intervals and cleaned when necessary Ballast tanks are to be fitted with tank washing guns Ballast tanks are to be cleaned of sediment at every dry docking Sediment filters are to be fitted to ballast intake sea connections Which one of the following options best describes who onboard a ship needs to have knowledge of the ship’s Ballast Water Management Plan, according to the Ballast Water Management Convention? All personnel involved in ballast handling, appropriate to their duties All personnel onboard All officers must be familiar with the plan All deck and engineer officers and ratings Which one of the following options best describes one of the aspects of training required for officers and crew engaged in ballast water exchange, according to the Ballast Water Management Convention? The method of ensuring that sounding pipes are clear, and that air pipes and their non-return devices are in good order Ballast pump maintenance requirements Methods of proving that ballast pipes are clear Tank coatings ... how to take on ballast on a ship which complies with the Ballast Water Management Convention? Read the Ballast Water Management Plan Read the manufacturers manual for the ballast water treatment... function of the Ballast Water Management Plan required by the Ballast Water Management Convention? To ensure that ballast treatment is carried out effectively and safely To ensure that ballast exchange... requirements of the Ballast Water Management Convention which one of the following best describes how you can find out where the ballast water sampling points are located? In the Ballast Water Management