Вопросы и ответы к Seagull CES тесту по эксплуатации вспомогательных дизельных двигателей на судне
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Количество вопросов: 34.
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Страница содержит вопросы и ответы на “Seagull CES тест по Operating Marine Auxiliary Diesel Engines” (Crew Evaluation Test v5), и служит в качестве базы данных вопросов и ответов, используя которую пользователь может подготовиться к экзаменам по аттестации, получению диплома или свидетельства, либо просто проверить себя в знании тех основ, которые необходимы морякам в данной области.
CBT CD 0024 – Operating Auxiliary Diesel Engines.pdf
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Количество отображаемых вопросов: 33.
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A tandem type gear pump is fitted in the rocker arm, lubricating oil system of the Ulstein Bergen diesel engine covered in this module. Which one of the given options is the recommended inspection/maintenance routine, that should be performed on the pump?
Check the tell-tale holes for leakage once a month.
Lubricate once a month.
Check the lub oil level once a week.
An actuator is fitted in the governing system of the Ulstein Bergen diesel engine, covered in this module. How often should the linkage between this actuator and the fuel pumps be inspected for wear, loosening and lubrication?
Daily.
Every week.
Every second week.
Every month.
At what load should the engine be operating at, when measuring maximum combustion pressure on an Ulstein Bergen diesel engine, according to the manufacturer’s recommended conditions?
0 %.
50 %.
75 %.
100 %.
Before starting the Ulstein Bergen diesel engine, covered in this module, certain conditions must be met. Select the option, which best describes the minimum recommended conditions, that must be met for cold starting on MD0:
Jacket cooling water above 0 °C.
Jacket cooling water above 50 °C.
Jacket cooling water above 50 °C, and nozzle oil temperature above 80 °C.
Before starting the Ulstein Bergen diesel engine, covered in this module, certain conditions must be met. Select the option, which best describes the minimum recommended conditions, that must be met for warm starting on MD0:
Jacket cooling water above 0 °C.
Jacket cooling water above 50 °C.
Jacket cooling water above 50 °C, and nozzle oil temperature above 80 °C.
Before starting the Ulstein Bergen diesel engine, covered in this module, certain conditions must be met. What are the conditions to be met before starting the engine on HFO?
Jacket cooling water above 50 °C.
Jacket cooling water above 50 °C, nozzle oil temperature above 80 °C, and fuel oil viscosity at injection as given in UBE documentation.
Jacket cooling water above 50 °C, and nozzle oil temperature above 80 °C.
Certain operating conditions are specified when water washing the turbine side of the turbo charger for the Ulstein Bergen diesel engine covered in this module. Select the main criteria to be used from the options given:
Engine operating on at least 25 % load.
Engine operating on at least 50 % load.
Engine operating with a charge air pressure of at least 1,3 bar.
Engine operating with a charge air pressure of at least 0,3 bar.
From which every-q of the engine does cylinder number designation begin for Ulstein Bergen diesel engines?
From the flywheel every-q.
From the pump every-q.
How many overspeed trips are fitted to the Ulstein Bergen diesel engine covered in this module?
One.
Two.
Three.
Four.
How often should the filter element in the rocker arm lubricating oil system of the Ulstein Bergen diesel engine, covered in this module, be cleaned?
Daily.
At least once a week.
At least once every second week.
At least once a month.
How often should the filter housing in the rocker arm lubricating oil system of the Ulstein Bergen diesel engine, covered in this module, be cleaned?
Daily.
At least once a week.
At least once every second week.
At least once a month.
How often should the fuel oil filter elements in the fuel oil system of the Ulstein Bergen diesel engine, covered in this module, be checked?
Daily.
Every week.
Every second week.
Every month.
How often should the maximum combustion pressure be measured for the Ulstein Bergen diesel engine covered in this module?
At least once a week.
At least once every second week.
At least once a month.
At least every 3 months.
How often should the strainer in the rocker arm lubricating oil system of the Ulstein Bergen diesel engine, covered in this module, be cleaned?
Daily.
At least once every week.
At least once every second week.
At least once a month.
In this module a standstill period, when the engine is stopped, is defined as either short or long. Which of the given options is used to define a short period of standstill?
A period of less than 96 hours.
A period of less than 24 hours.
A period of less than 48 hours.
A period of less than 12 hours.
Is it possible to clean the centrifugal filter, while the Ulstein Bergen diesel engine, covered in this module, is running?
Yes, but the valve to the centrifugal filter must be closed and the lubricating oil pressure should be reduced to 4 bar.
No, the centrifugal filter can only be cleaned with the engine stopped.
Yes, but the valve to the centrifugal filter must be closed.
No, the engine must have been stopped for at least 24 hours.
It is recommended in the module, that only one of the lubricating oil centrifugal filters fitted to the Ulstein Bergen diesel engine be dismantled at any one time. Which of the given options is the main reason for this recommendation?
To avoid the risk of mixing or intercharging the filter parts.
Because the filtration will be impaired.
Because the lubricating oil pressure is too high.
Because there are no bypass possibilities.
The Ulstein Bergen diesel engine, described in this module, is fitted with a control air module. Which of the statements given in the options best describes the main function of the control air module fitted?
It regulates the pressure, temperature and humidity of the control air.
It regulates the temperature and pressure of the control air and also filters it.
It regulates the humidity and temperature of the control air and also filters.
It regulates the humidity and pressure of the control air and also filters it.
The Ulstein Bergen diesel engine, described in this module, is fitted with a nozzle temperature control system for the fuel injection valves. How often should the filter in the system be cleaned?
Daily.
Every week.
Every second week.
Every month.
Every third month.
The filter cock in the rocker arm lubricating oil system of the Ulstein Bergen diesel engine, covered in this module, has two marked positions, D and F. Which of the marks should correspond with the mark on the filter, housing when the filter is in the in-service operating position?
D.
F.
The main lubricating oil system of the Ulstein Bergen diesel engine, covered in this module, includes a centrifugal filter. How often should this centrifugal filter be cleaned?
Once a day.
At least once a week.
At least every second week.
At least every month.
The main lubricating oil system of the Ulstein Bergen diesel engine, covered in this module, is fitted with a centrifugal filter. Does all the lubricating oil flow go through the centrifugal filter during normal operation?
Yes.
No, only 50 % of the flow.
No, only 30 % of the flow.
No, only 10 % of the flow.
The main lubricating oil system of the Ulstein Bergen diesel engine, covered in this module, is fitted with a centrifugal filter. How often should the centrifugal filter be checked for excessive vibrations, according to the recommendations given in this module?
Yes.
No, only 50 % of the flow.
No, only 30 % of the flow.
No, only 10 % of the flow.
The main lubricating oil system of the Ulstein Bergen diesel engine, covered in this module, is fitted with a centrifugal filter. How often should the centrifugal filter be checked for excessive vibrations, according to the recommendations given in this module?
Once a day.
At least once a week.
At least every second week.
At least every month.
There are certain recommended operating conditions for the Ulstein Bergen diesel engine, covered by this module. Is it recommended to operate the engine on HFO at less, than 10 % load?
No, this is not recommended.
Yes, but only for 24 hours before running on MDO for 1 hour.
Yes, but only for 24 hours before running on 50 % load for 15 minutes.
Yes, but only for 24 hours before running on MDO on, at least, 50 % load for 1 hour.
What is the function of the actuator, fitted in the governing system of the Ulstein Bergen diesel engine, covered in this module?
It transforms electrical signals to mechanical movement.
It transfers signals to the alarm and monitoring system.
It transfers pneumatic air signal to mechanical movement.
What is the function of the change-over valve in the fuel oil system of the Ulstein Bergen diesel engine in this module?
To change between HFO and MDO.
To change the direction of the fuel flow.
What is the main purpose of the heater module, fitted in the jacket cooling water system of the Ulstein Bergen diesel engine, covered in this module?
To keep the jacket cooling water temperature high enough, when the engine is stopped to ensure a warm start up can be performed.
To prevent freezing of jacket cooling water, when temperatures get below 0 °C during a long period of standstill.
To keep the jacket cooling water temperature high enough to heat the charge air in the charge air cooler, during low load operation.
What is the maximum level of water, that should be in the jacket water system expansion tank for the Ulstein Bergen diesel engine, covered in this module?
2/3 of tank volume.
1/2 of tank volume.
1/3 of tank volume.
1/4 of tank volume.
What is the purpose of the regulating valve in the jacket water system for the Ulstein Bergen diesel engine, described in this module?
To adjust the jacket water pressure.
To adjust the jacket water flow rate.
To adjust the jacket water temperature.
To shut off the jacket water flow when performing maintenance operations.
What is the recommended frequency given in this module for water washing the compressor side of the turbocharger?
Daily.
Weekly.
Every second week.
Every month.
Which end of the engine is the reference end, when deciding the direction of rotation of an Ulstein Bergen inline engine?
The flywheel end.
The pump end.
Which of the following combinations best describes the health risks, that are generally associated with diesel engine lubricating oil, as described in this module?
Caustic burns and skin irritation.
Intoxication and caustic burns.
Intoxication, caustic burns and skin irritation.
Intoxication and irritation of the skin and eyes.
Which of the given options is the fluid, used in the cleaning system for the fuel oil injection pumps, as described for the Ulstein Bergen diesel engine in this module?
Marine Diesel oil.
The lubricating oil, used in the main lubricating oil system.
Turbine lubricating oil.
Тест по Diesel Engines
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