Determine the manipulated variable, controlled variable,
and the measured variable given a description of various
typical industrial processes.
Answer Posted / ahmed helmy
- Manipulated variable is the output of controller to final control element to correct the error sometimes called also output
- Set point is the desired value for the process
- Controlled variable is the process variable which is the output of the process and measured by the transmitter
- Measured variable is also the controlled variable
- process variable = controlled variable = measured variable
| Is This Answer Correct ? | 9 Yes | 3 No |
Post New Answer View All Answers
In power plant to measure vibration of a turbine we install sensors. Before install this sensor we have to set gap voltage. What is meant by gap voltage and its use?
How many ohms are required for proper earthing?
what is 24vdc live and dry supply
hello can yoy pls send me previous papers of jindalpower and steel ltd.....'m from instrumentation..... mani1048@gmail.com
please send data bank of quetions answers on analytical instrumentation.
What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.
Why not come out analog output in ABB EL3020 when display show correct value
which processor is used in dcs.
hi i am eswar i want to know the instrumentation interview questations for eil(engineers india ltd) i have applied for engineer post in eil please help in this.my mail id eswar310@gmail.com
Specify ideal accuracy of flow element like orifice plate, Ventury, Annubar. Ultrasonic flow meter etc.
how to calibrate 0- 150 psi presure gauge by dead weght tester
What is shielding effect?
Explain pH, Conductivity.
What is the use of double seated valve?
1. what is modbus cable? 2. what kind of communication we are using for the interface of DCS, ESD and Third party cabinets? 3. What is serial communication and peer to peer communication?