A pH control system is used to neutralize a chemical waste stream being dumped into a municipal sewage system. The desired pH is 7 or complete neutrality. An unfortunate accident short circuits the cable connecting the electrodes to the measuring transmitter.The result will be:
A. The control valve admitting the neutralizing agent will fully open
B. The control valve will close
C. The control valve will remain approximately at its half-open position
D. The system will cycle
Answer:C
A pH control system is used to neutralize a chemical waste stream being dumped into a municipal sewage system. The desired pH is 7 or complete neutrality. An unfortunate accident short circuits the cable connecting the electrodes to the measuring transmitter.The result will be:
A. The control valve admitting the neutralizing agent will fully open B. The control valve will close C. The control valve will remain approximately at its half-open position D. The system will cycle