Two or more surfaces that are on the same plane are called:
a. common surfaces
b. coordinate surfaces
c. aligned surfaces
d. coplanar surfaces
d. coplanar surfaces
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When a process technician first starts up a unit, he/she will typically set the controller in:
a. AUTO b. MANUAL c. CASCADE
List the forms of energy used in the heating, air conditioning, and refrigeration industry
What will be an ideal response?
Which one of the following statements for the SQC instruction is NOT true?
A) The SQL and SQC instructions are used as a pair, similar to the SQO and the SQI pair for the PLC 5 and ControlLogix PLCs. B) The control file found bit (FD) in the SQC is used to indicate that a true match between the source and file stack words was verified. C) The SQC instruction can be used as a diagnostic tool to determine if a machine has the correct switch/signal bit values in a register to start a production run. D) The SQC instruction is similar to SQI for PLC 5 and ControlLogix.
The laggingeffect of the controlled variable behind the output state produced by the actuator is called __________.
A. shadowing B. dragging C. hysterisis D. delaying