With reference to distillate fuel oil, explain EACH of the following:
(a) why it often needs treatment before the engine;(6)
(b) why it sometimes needs cooling after the engine.(4)
MDE Unit 9 Q1 MDE Unit 9 Q1 Quiz
(a) List FIVE products directly obtained from the distillation of Crude Oil, stating a typical use for EACH on board a vessel.(5)
(b) With reference to ISO 8217, aluminium & silicon oxides in fuel, state EACH of the following:
(i) how they get there;(2)
(ii) what effect they will have on engine performance;(2)
(iii) how they are removed from the fuel.(1)
MDE Unit 9 Q2 MDE Unit 9 Q2 Quiz
With reference to microbial infestation of distillate fuel:
(a) describe what is meant by the term microbe;(1)
(b) state what microbes need to survive;(2)
(c) describe the possible diesel engine problems;(5)
(d) describe how it can be identified.(2)
MDE Unit 9 Q3 MDE Unit 9 Q3 Quiz
With reference to diesel engine fuel:
(a) explain the meaning of the term microbial contamination;(1)
(b) describe the possible problems the engine may encounter if the fuel received is contaminated with microbes;(4)
(c) explain how microbial contamination can be avoided;(3)
(d) explain the actions to be taken if microbial contamination is severe.
(2)
MDE Unit 9 Q4 MDE Unit 9 Q4 Quiz
(a) Explain what is meant by the term flashpoint of bunker fuel stored on board.(1)
(b) Describe the importance of knowing the flash point of the bunker fuel stored on board.(1)
(c) Describe a method in common use for ascertaining the flashpoint of bunker fuel.(4)
(d) State the SOLAS requirements, with respect to temperature, for storage of bunker fuel in an engine room.(4)
MDE Unit 9 Q5 MDE Unit 9 Q5 Quiz
With reference to distillate fuel, explain the potential problem for EACH of the following, stating how they may be avoided:
(a) flash point;(3)
(b) wax;(3)
(c) microbes.(4)
MDE Unit 9 Q6 MDE Unit 9 Q6 Quiz
Describe the engine and system problems created by EACH of the following common contaminants in distillate fuel oil:
(a) water;(3)
(b) solids;(3)
(c) microbes.(4)
MDE Unit 9 Q7 MDE Unit 9 Q7 Quiz
(a) Describe how contamination of fuel oil by EACH of the following can occur:
(i) microbes;(2)
(ii) sodium.(2)
(b) Describe how to avoid fuel system and engine related problems with reference to the TWO contaminants in part (a).(6)
MDE Unit 9 Q8 MDE Unit 9 Q8 Quiz
(a) Explain what is meant by EACH of the following fuel terms:
(i) cloud point;(2)
(ii) compatibility.(2)
(b) Describe how to avoid fuel system and engine related problems with reference to the TWO terms in part (a)(6)
MDE Unit 9 Q9 MDE Unit 9 Q9 Quiz
Describe, with the aid of a sketch, a typical distillate fuel supply system for a diesel engine, including ALL the safety devices.(10)
MDE Unit 9 Q10 MDE Unit 9 Q10 Quiz
With reference to distillate fuel oil material safety datasheets, describe with examples the information that would be included for EACH of the following:
(a) hazards; (4)
(b) first aid;(3)
(c) fire fighting measures.(3)