Which of the Following Statements Are True in Regard to Da-

Essay

Which of the following statements are true in regard to da- tum precedence and datum reference? (More than one can be true.) A) Datum precedence is established by the order of place- ment in the feature control frame. B) Datum precedence is established by alphabetical order of datum reference letters. 59728_ch13_EOC_ptg01.indd 4 2/3/16 2:21 PM C) The first datum listed in the feature control frame is the primary datum reference. D) "A" is always the primary datum. E) The third datum listed in the feature control frame is the tertiary datum reference. F) RMB is assumed unless otherwise specified.