A salt (NaCl) solution must be controlled at a concentration of 12 percent.The best choice of measurement for the control system would be
A. Conductivity
B. pH
C. ORP
D. Capacitance
Answer:A
A salt (NaCl) solution must be controlled at a concentration of 12 percent.The best choice of measurement for the control system would be
A. Conductivity B. pH C. ORP D. Capacitance