What is possitive and negative feedback?

Question Posted / guest

3 Answers
7427 Views
KNPC, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

What is possitive and negative feedback?..

Answer / abdul

Positive feedback is giving some amount of o/p to i/p in
phase.Whereas Negative feedback is giving some amount of o/p
to i/p with 180 degree out of phase.

Is This Answer Correct ?

4 Yes

0 No

What is possitive and negative feedback?..

Answer / farooq

what is diffrent between smart and hart communicator

Is This Answer Correct ?

2 Yes

7 No

What is possitive and negative feedback?..

Answer / scheau vlad

The positive feedback is when in control room, at console,
operator recive correct all signals from field durring loop
check.
The negative feedback is when he don`t recive some of the
signals, for example testing one control valve with limit
switch, he dont see in the console the indication of the
limit switch.
I hope is usefull answer :)

Is This Answer Correct ?

6 Yes

15 No

Post New Answer

More Instrumentation Interview Questions

what is ABB DCS SYSTEM?

2 Answers OMV,

Can 2 transmitters be connected to Integral orifice meter taps? Does an integral orifice comes with 2 set of taps?

1 Answers

i have one temperature TX in my loop check time once i was remove elament temp gose maximum then i am conect corectly but still now temp showing maximum what can i do this problem?

2 Answers

why we use by pas on a positioner? When can a by pass be not used on a positioner ?

2 Answers

Is there any relation between Artificial Intelligence and Instrumentation?

0 Answers

we want to control pump in let pressure and tank (for exp) our inlet line if water cam and pump will on and when our tank will full pump will off also if our inlet pressure low pump will off even tank not full.this pump i want to uses on our water supply line.

0 Answers

What s PDS & PDMS tools ?its role in instrumentation?

1 Answers

i have steam drum height 1000mm. and i want to placed the transmitter below the tap.how i calculate.

0 Answers OEG,

What is instrumentation control?

0 Answers

can i get model question papers of mahagenco exam?

11 Answers MahaGenco, MSGEN,

Furnace draft transmitter range is -50 to +50 mmwc. why the impulse line connected in hp side?

2 Answers Arena,

In a gas over oil actuator, after the opening/closing of valve, how the gas is vented out? How does the hydraulic/gas circuit function?

0 Answers Reliance,

For more Instrumentation Interview Questions Click Here