Close loop and open loop.

Question Posted / guest

3 Answers
7300 Views
CCIE, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

Close loop and open loop...

Answer / sushil jambhulkar

IN OPEN LOOP INPUT & OUTPUT ARE INDEPENDENT.
IN CLOSE LOOP INPUT IS DEPEND UPON OUTPUT.

Is This Answer Correct ?

7 Yes

0 No

Close loop and open loop...

Answer / veera

*open loop for monitoring purpose, there is no control action taken place.
*closed loop for both monitoring and control purpose.

Is This Answer Correct ?

4 Yes

0 No

Close loop and open loop...

Answer / guest

close loop consist of final control element..example:contol
valve
open loop does not consist of final control element..
example: motor

Is This Answer Correct ?

1 Yes

5 No

Post New Answer

More Instrumentation Interview Questions

how to check earthing,what is minum ohms for proper earthing

0 Answers

In my plant I want to mount a steam flow transmitter .Flow nozzel is already mounted in steam line .So how can i know the range to put in flow transmitter?

1 Answers

send me model hpcl questions pleas..........my mail id mohideen.dharvesh@gmail.com

0 Answers HPCL,

HOW TO CHOOSE FREAQUENCY IN FMCW TYPE RADAR INSTRUMENTS. DESIGN BASIS OR DESIGN CALCULATONS ?

0 Answers Chevron,

1)why we are using mostly Ultrasonic Flow meters to measure flow, rather than Radar waves? 2)why we are using Ultrasonic waves and Radar waves to measure the Level?

1 Answers NTPC,

Flame scanner

1 Answers

what is Micro-switch and where it is used......?

7 Answers

WHAT IS DOPPLER EFFECT? WHERE IT IS APPLIED?

1 Answers

Tr. Wiring for calibration.

0 Answers CCIE,

What is the meaning of slope in PH transmeter?

1 Answers Uttam Sugar,

How can a d.p. Transmitter be calibrated?

0 Answers

How to connect field devices to PLC and DCS using a FIELD BUS, DP,MOD BUS(please tell me any extra interfce or adopters need in this case if we use remote i/o s)

3 Answers

For more Instrumentation Interview Questions Click Here