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