Онлайн-тестирование: Test about Energy Efficiency in Shipping
About how much of the energy supplied to a marine engine is lost? Select the ONE correct answer:
About 5 %.
About 20 %.
About 50 %.
About 75 %.
According to this module, approximately how much of the cost of running a cargo vessel is due to fuel consumption? Select the ONE best answer:
According to this module, how much fuel can be saved by fitting a bulbous bow to some ships? Select the ONE best answer:
Up to 5 %.
Up to 20 %.
Up to 40 %.
Up to 60 %.
According to this module, how often should a traditional antifouling paint be applied? Select the ONE best answer:
Once a year.
Twice a year.
Every two years.
Every three years.
According to this module, what is a typical hull roughness value for a new-build ship? Select the ONE correct answer:
According to this module, what is a typical roughness value for a newly polished propeller? Select the ONE best answer:
According to this module, what speed loss would justify an average vessel docking? Select the ONE best answer:
An upgraded propeller gives a 10 % decrease in fuel consumption and engine modifications also give a 10 % decrease in fuel consumption. Calculate the overall fuel savings:
Choose the most fuel efficient option:
Large propeller and a slow revolving shaft.
Large propeller and a fast revolving shaft.
Small propeller and a slow revolving shaft.
Small propeller and a fast revolving shaft.
For a variable pitch propeller vessel what is the best pitch and propeller speed combination for optimum fuel consumption? Select the ONE correct answer:
High pitch, fast RPM.
High pitch, low RPM.
Low pitch, fast RPM.
Low pitch, low RPM.
For a vessel with a variable pitch propeller, what is the best way to adjust the speed of the ship? Select the ONE best answer:
If there is low frequency vibration of the engine at low speed, what is the probable location of the problem? Select the ONE best answer:
The main propulsion shaft.
The main gearing.
The turbocharger bearings.
One of the engine cylinders.
In general terms, what is the most fuel efficient shape for a vessel? Select the ONE best answer:
Long and wide vessel.
Short and wide vessel.
Long and shallow vessel.
Long and slim vessel.
Mark the ONE statement that is TRUE:
SEEMP monitoring stage should be conducted twice a year.
SEEMP is mandatory only for new ships.
It’s possible to have a common or same SEEMP for all ships in the fleet.
SEEMP implementation is beneficial both financially and environmentally.
Select measures taken daily during an engine check:
Select modifications required for de-rating:
Select the measurements that should be recorded and monitored with special attention on board:
Select the most optimal way of adjusting the speed of a vessel which uses a variable pitch propeller at full sea speed:
Select the speed loss that justifies docking:
Select the statements that are FALSE:
What does SEEMP stand for? Select the ONE correct answer:
Safety Executive Energy Management Plan.
Ship European Employment Management Plan.
Ship Energy Efficiency Management Plan.
Ship Energy Efficiency Market Place.
What is the main reason for de-rating the engine and changing the propeller? Select the ONE best answer:
The vessel is getting old.
Increasing the lifetime of the vessel.
A change in the service of the vessel.
Which ONE of the given options is the minimal instrumentation necessary to estimate fuel consumption? Select the ONE correct option:
Fuel gauge and speed log.
Fuel gauge and exhaust thermometer.
Fuel gauge and Doppler log.
Fuel gauge and radio navigation instrument.
Which ONE of these would benefit the most from a nozzle (tunnel) propeller? Select the ONE best answer:
A long distance cargo ship.
A slow speed ship with a high propeller load.
A fast coastal ships.
A vessel with a propeller, which rotates at high speed.
Which THREE of these measures increases the efficiency of steam heating? Select the THREE correct answers:
Which of these vessels would NOT benefit from using self-polishing antifouling? Select the ONE best answer:
Slow moving tug boats.
Ice operating vessels.
Non-ferrous hull vessel.
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