For more complete vessel protection when using an impressed current cathodic system, what other features are built into the system? |
A) the hull's magnetic fields are aligned with a solid-state degaussing circuit using SCR's |
B) all ship's service alternators have additional temperature sensing devices and a thermal recorder installed |
C) machinery on deck and in the engine room is first coated with zinc chromate before final painting |
D) straps connect the rudder with the hull and the propeller shaft is grounded through a slip ring/brush arrangement |