Coast Guard Exams
Question 227Motor Plants - 1st Asst/Chief70% to pass

If the input signal rises above the setpoint of '17A', shown in the illustration, but remains below the setpoint of '17B', the output from '22A' will_______________. Illustration MO-0114

Diagram for question 227
AI Explanation
The correct answer is A) indicate a pressure on '67B' equal to the setpoint of '17A'. When the input signal rises above the setpoint of '17A' but remains below the setpoint of '17B', the system is operating in the range between the two setpoints. In this case, the output from '22A' will indicate a pressure on '67B' that is equal to the setpoint of '17A', as this is the pressure that triggers the system's response. The other answer choices are incorrect because: B) the output would not be the same as the setpoint of '17B' since the input has not reached that level; C) the output would not indicate the pressure on '17A' itself, but rather the pressure it triggers on '67B'; and D) improving to a steady state due to moisture removal is not relevant to the specific scenario described.