Q7. With reference to a Closed Loop engine exhaust gas SOX scrubber system:
a. Describe, with the aid of a sketch, such a system; (8)
b. State, with reasons, the fluid which is used for SOX scrubbing in this system; (4)
c. State how the effectiveness of the scrubbing fluid is maintained and how the sludge is removed and disposed of. (4)
Q2. With reference to diesel engine SOX exhaust gas cleaning and pollution control:
(a) State, with reasons, which system parameters are monitored, explaining where the monitoring devices are located, how the data is stored and how data is made available to regulatory authorities
(b) State how pollution of sea water can be caused by the use of SOX exhaust gas cleaning systems, explaining how such pollution is prevented.
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