Multiple Choice
A transducer is:
A) a device used to sense a process variable and produce a signal that is sent to a control valve
B) a subsystem of a supervisory control system
C) a device used to sense a process variable and produce a signal that is sent to a controller.
D) a device used to transmit one form of energy into another; typically pneumatic to electrical or electrical to pneumatic.
Correct Answer:
Verified
Correct Answer:
Verified
Q30: The symbol "FI" indicates:<br>A) flow instrument<br>B) flow
Q31: A flow meter that allows fluid to
Q32: A hook shaped, thin walled tube attached
Q33: The primary elements used to detect temperature
Q34: The symbol "PA" indicate:<br>A) process alarm<br>B) pressure
Q35: A process variable is best described as:<br>A)
Q36: The primary elements used to detect flow
Q37: A rotameter is composed of all of
Q39: The symbol "FR" indicates:<br>A) float recognition<br>B) flow
Q40: The speed of the rotation is not