Q5. With reference to fuel oil viscosity: (16)
(a) Explain why correct fuel oil viscosity is necessary
(b) Describe TWO methods for the measurements of viscosity that are suitable for the inclusion into a pneumatic or electronic control system.
(c) State, with reasons, a control action for a viscosity controller.
Q6. A. Describe with the aid of a sketch, the main engine ancillary equipment for automatic monitoring and regulation of fuel viscosity. (8)
B. Explain the operation of equipment described in (A). (4)
C. Discuss the single fuel concept. (4)
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