1 / 38

Diesel engine injection lag is caused by _____________.

2 / 38

Why are heavy fuels not usually prone to the problems of microbiological infection?

3 / 38

Fuel oil having a low cetane rating could result in _______.

4 / 38

A mixture of 45% cetane and 55% alpha-methyl-naphthalene is found to have the same ignition delay as a sample of diesel oil. The sample can be described as having a/an __________.

5 / 38

If a diesel engine runs out of fuel, you can expect trouble from _____________.

6 / 38

Fuel oil strainers should be made of ____________. I. copper II. brass

7 / 38

The fuel oil strainers located in the fuel oil service system of an automatic auxiliary heating boiler are either the duplex type or the _______________.

8 / 38

Which of the following statements is true concerning the cetane number of diesel fuel?

9 / 38

Fuels as produced in a refinery are generally sterile, however, contamination can occur as fuels are ________.

10 / 38

A substance found in residual fuels which tends to cause exhaust valve corrosion and grooving, is ____________.

11 / 38

In order for microbiological growths to thrive in a fuel tank it is necessary for ________.

12 / 38

The cetane number rates fuels for diesel engines according to its _____________.

13 / 38

When fuel oil heaters are required for main engine operation, ____________.

14 / 38

To prevent vibration damage to the fuel supply line of a diesel engine, you may use ____________.

15 / 38

Injection lag in a diesel engine may be caused by _________.

16 / 38

In diesel engineering practice, the term used to express the ignition quality of a particular fuel is _____________.

17 / 38

Which of the listed factors will indicate the most about the ability of a fuel to ignite in a diesel engine?

18 / 38

Which of the following statements is true concerning the cetane number rating of diesel fuel?

19 / 38

The sludge tank installed in the diesel engine room is used to collect _____________. I. sludge from the fuel oil settling tanks and centrifuge II. water that has been collected in the settling tank.

20 / 38

The ignition quality of a fuel oil is an important operational consideration because it _____________.

21 / 38

One cause of diesel engine fuel ignition delay is _______.

22 / 38

Piping from booster pumps to injection systems are to be at least ________.

23 / 38

A dirty fuel oil filter element can be detected by ________.

24 / 38

The cetane rating of diesel fuel is an indication of the ______________.

25 / 38

Which of the substances listed is satisfactorily removed from the fuel by a centrifugal oil purifier?

26 / 38

Automatically fired auxiliary boilers use fuel oil strainer arrangements of either the simplex type or _____________.

27 / 38

Microbiological growths in marine fuel are a common occurrence that can be ________.

28 / 38

The light and medium fuels utilized in internal combustion engines provide a source of ________.

29 / 38

Which of the following statements describes the unchecked growth of microbiological organisms within a fuel system?

30 / 38

The desirable properties of a marine fuel oil should include _____________.

31 / 38

To minimize corrosion, fuel oil strainer disks, spacers and scraper blades are made of _____________.

32 / 38

With respect to diesel fuel, the ease with which a cold engine will start is dependent upon the _____________.

33 / 38

Most type(s) of microbiological growths in fuel are __________.

34 / 38

Which of the following represents the significance the fuel oil cetane number?

35 / 38

The growth rate of microbiological organisms as found in some fuel supplies will __________.

36 / 38

Which of the following conditions is NOT an indication of microbial contamination?

37 / 38

Proper filtering and straining of diesel fuel is important because the _____________.

38 / 38

An indication of microbial contamination is ______.

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Keeping ahead of covid-19

This rapidly evolving coronavirus (covid-19) has imposed an unsettling, fluid situation upon our community and its businesses. While the team here at THE MARINE TECK still aims to maintain a “business as usual” approach, we are making a number of significant changes to our operation to account for a situation that is far from normal.

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