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Q8. (a) There are three auxiliary engines having separate quick closing valves in the fuel supply line. How will you safely test these valves for each of the engines without causing a blackout? Discuss the process with the help of a diagram. (6)

(b) How will you reset the quick closing valves after the test is completed? (4)

(c) Explain the significance of flywheel marking on a four stroke engine. (6)