DieselShip's Online Content Library

Q6. With reference to micro bacterial infestation:

(a) List the engine room systems that may be affected by this type of contamination; (2)

(b) Explain the conditions required for bacteria to evolve; (6)

(c) Describe how the presence of microbial contamination could be detected. (2)

Q4. With reference to microbacterial infestation:

(a) list the engine room systems that may be affected by this type of contamination; (2)

(b) describe the conditions required for bacteria to evolve; (6)

( c) describe how the presence of microbial contamination could be detected. (2)

Q2. With reference to fuel oil viscosity:

(a) explain why correct fuel oil viscosity is necessary; (2)

(b) describe TWO methods for the measurement of viscosity that are suitable for the inclusion into a pneumatic or electronic control system; (6)

(c) state, with reasons, a control action for a viscosity controller. (2)

Q6. With reference to fuel with high pour point:

(a) describe test that may be carried out;(4)

(b) state the measure to be taken to enable the ship to use the fuel.(6)