Answer Posted / chris
You nee to be specific, is it -
A) A 3 element loop?
B) 3 elements of a loop?
A) Normally used for boiler control.
B) 1. Detection (Element)
2. Control (controller)
3. Correction (valve)
Is This Answer Correct ? | 2 Yes | 1 No |
Post New Answer View All Answers
How can i test procedure grounding for CAT-7 cable? Or How can we test procedure CAT-7 Cable Electrically safe?
What is critcal speed. what is resonant frequency. why we want to cross crtcal speed on higher RPM (early).
what is the working principal of pribe
What is modbus?
Decibel.
In VVVF DRIVES VOLTAGE IS ALSO VARY WITH THE FREQUENCY. HOW? WHAT IS THE DIRECT FORMULA RELATING THESE TWO.
What are the key features of a Distributed Control System? describing the various layers (sensor through to business system interfaces) as well as the hardware, software and security aspects of the DCS.
how to check earthing,what is minum ohms for proper earthing
What are different types of orifice plates?
the whole paper was based on Transducers..questions like define repeatability, error,accuracy,precision..den there were many q. on the conversion of Pa to mmHg and other units.. also..der wer few Q. on some level sensors(with diagram)
How to change dcs card in online. (Dsc is maxdna)
How oil line flow measured?eplain about instruments used and working principle?
what is interface level measurement.who can calibrate interface level measurement transmitter online
can anyone tell me about the basic concepts to consider before to start a PLC panel wiring
which type of signal used in instrument?