Тест по эксплуатации дизельных двигателей (CES v5.0)

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1

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?

Ваш ответ правильный:

Check the tell-tale holes for leakage once a month.
2

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?

Ваш ответ правильный:

Daily.
3

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?

Ваш ответ правильный:

100 %.
4

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:

Ваш ответ правильный:

Jacket cooling water above 0 °C.
5

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:

Ваш ответ правильный:

Jacket cooling water above 50 °C.
6

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?

Ваш ответ правильный:

Jacket cooling water above 50 °C, nozzle oil temperature above 80 °C, and fuel oil viscosity at injection as given in UBE documentation.
7

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:

Ваш ответ правильный:

Engine operating with a charge air pressure of at least 0,3 bar.
8

From which every-q of the engine does cylinder number designation begin for Ulstein Bergen diesel engines?

Ваш ответ правильный:

From the pump every-q.
9

How many overspeed trips are fitted to the Ulstein Bergen diesel engine covered in this module?

Ваш ответ правильный:

Two.
10

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?

Ваш ответ правильный:

Daily.
11

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?

Ваш ответ правильный:

At least once a week.
12

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?

Ваш ответ правильный:

Every month.
13

How often should the maximum combustion pressure be measured for the Ulstein Bergen diesel engine covered in this module?

Ваш ответ правильный:

At least every 3 months.
14

How often should the strainer in the rocker arm lubricating oil system of the Ulstein Bergen diesel engine, covered in this module, be cleaned?

Ваш ответ правильный:

At least once every week.
15

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?

Ваш ответ правильный:

A period of less than 24 hours.
16

Is it possible to clean the centrifugal filter, while the Ulstein Bergen diesel engine, covered in this module, is running?

Ваш ответ правильный:

Yes, but the valve to the centrifugal filter must be closed.
17

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?

Ваш ответ правильный:

To avoid the risk of mixing or intercharging the filter parts.
18

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?

Ваш ответ правильный:

It regulates the humidity and pressure of the control air and also filters it.
19

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?

Ваш ответ правильный:

Every week.
20

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?

Ваш ответ правильный:

F.
21

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?

Ваш ответ правильный:

At least every month.
22

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?

Ваш ответ правильный:

No, only 10 % of the flow.
23

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?

Ваш ответ правильный:

No, only 10 % of the flow.
24

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?

Ваш ответ правильный:

At least once a week.
25

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?

Ваш ответ правильный:

No, this is not recommended.
26

What is the function of the actuator, fitted in the governing system of the Ulstein Bergen diesel engine, covered in this module?

Ваш ответ правильный:

It transforms electrical signals to mechanical movement.
27

What is the function of the change-over valve in the fuel oil system of the Ulstein Bergen diesel engine in this module?

Ваш ответ правильный:

To change between HFO and MDO.
28

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?

Ваш ответ правильный:

To keep the jacket cooling water temperature high enough, when the engine is stopped to ensure a warm start up can be performed.
29

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?

Ваш ответ правильный:

2/3 of tank volume.
30

What is the purpose of the regulating valve in the jacket water system for the Ulstein Bergen diesel engine, described in this module?

Ваш ответ правильный:

To adjust the jacket water temperature.
31

What is the recommended frequency given in this module for water washing the compressor side of the turbocharger?

Ваш ответ правильный:

Daily.
32

Which end of the engine is the reference end, when deciding the direction of rotation of an Ulstein Bergen inline engine?

Ваш ответ правильный:

The flywheel end.
33

Which of the following combinations best describes the health risks, that are generally associated with diesel engine lubricating oil, as described in this module?

Ваш ответ правильный:

Intoxication and irritation of the skin and eyes.
34

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?

Ваш ответ правильный:

Marine Diesel oil.
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