please can anyone tell me in detail, what's mean by open
loop and close loop?

Answer Posted / ravi vaya

Open loop is not give as feed back,when close loop is give
as feed back.

An open loop`s example is any PRV,PSV etc.

And

All control valves is close loop.

Is This Answer Correct ?    1 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is megering????

13925


May I have a brief note above the voltage barriers? Whats is the purpose? Please mail me if you've operational details, mail id: rajkumar.diice@gmail.com

1611


How can a d.p. Transmitter be calibrated?

693


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.

875


Explain the combusion chamber

1578






Can any body tell me about SAP MAINTINANCE MODULE. WHAT IS its function and application. And study material Source about it. I shall be very thankful.

1496


How does your previous experience relate to the job you are applying for ?

1562


what is thermo coupler and how it works

4986


Describe a time when you anticipated potential problems and developed preventive measures.

2484


what is the importance of CV in the control valves? how it is calculated?

1964


What are the different types of thermistors used in industries? How to the operation of typical thermistor?

1329


whats the abbreviation of IOP? is it instrument of power or input open problem?

666


Name different parts of a pressure gauge. Explain the use of hair spring in the pressure gauge.

671


how 3 out of 2 Logic/interlocks works? give brief explanation with help of diagram.

1847


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?

1617