what is the differnt between open loop and close loop ?
Answer Posted / symon lourdes
In other way...
Open Loop means ,only we use for the monitoring and
recording purposes
The closed loop will be for the controlling the final
control element in order to match with the desired set
point.
| Is This Answer Correct ? | 33 Yes | 1 No |
Post New Answer View All Answers
what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates?
why using negative supply for bentley nevada vibration system ?
what is the vital subject for scoring bhel exam&what is the question pattern
how to calculate orifice sizing? and tell me if pipe size bet 50mm t0 200mm then we can use pipe flange??? and above 250mm pipe size should i use D & D/2 Flange? is it right or wrong?
Draw a complete P&ID of a flow suction tank indicating all control & protection equipment. Indicate all its inlets and outlets. Explain the controls for this system
How is work 5/2 sov?
we have a s-5 simense plc having op7 .recently on op7 showing error 1.plc not present 2. DB error frequently. can u have any solution . please send me.
Can anyone send most commonly asked interview question in Oil & Gas industry
i have used level transmitter in starch cooking preparation tank. tank total height 2mtr.sometime LT display shows some error value when tank is fully empty and diaphragm side i already checked okay no problem in diaphragm area. field cable checked 24volt and mA shows correct value while tank empty mA is 4mA. 4mA i needed that 0% but display showing 10% or 15% percentage values are varying continously please give any good solution for me.....
A valve in series with an orifice plate (DP transmitter), is aligned for constant pressure in the pipeline, if there is an error dx, How to align it in process.
what is the process for double acting cylinder pneumatic for 32' v/v
How would you choose differential range?
can we replace a slot sensor (inductive type) with limit switch (potenial free contact / no-nc type).
Dear Sir/Madam,im going to attend Hpcl written exams on feb 17th in instrumentation stream..can anyone send me the HPCL model papers and pattern of HPCL ....i ve not yet attended anything in HPCL...so i dont know how it comes...so just i need some model test papers and pattern ..pls help me friends...
Explain an adaptive / self-tuning controller’s major draw card.