With reference to bacteria harmful to humans in drinking and washing water: (a) State the constraints placed on the installation and use of systems for shipboard production of fresh water (3) (b) State the maintenance and treatment recommended for fresh water tanks (3) (c) Describe how the entire fresh water system can be made free from bacteria (3) (d) State an acceptable residual value in the fresh water tanks to ensure the correct concentration of treatment in the system (1)
Cooling system & FWG
UKM Tuticorin 
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