The original boiler drum level application of feedforward control, developed in 1925:
A. Is still being applied everyday
B. Was abandoned because of poor measuring techniques
C. Worked well only with the particular boiler for which it was originally designed
D. Was immediately recognized as the ultimate control system
Answer:A
The original boiler drum level application of feedforward control, developed in 1925:
A. Is still being applied everyday B. Was abandoned because of poor measuring techniques C. Worked well only with the particular boiler for which it was originally designed D. Was immediately recognized as the ultimate control system