Answer / abinecious

3 element control means if 1 valve control 3 parameter like
in power plant 1 valve control steam flow,drum level and
feed water flow.

Answer / rushikesh s gaddpawar

Three Element loop control is close loop system. In this
system mainly use in power plant that means it use 1.main
steam flow 2.feed water flow 3.drum level.

Answer / shyam

Three element loop is a close loop control system where
control 3 variables

Answer / ashfaq alam

Three element we used basicaly for boiler steam
control.steam pressure, boiler feed water flow and boiler
drum level control and through final control element mean
Flow control valve.

Answer / seshu

Single cortrol valve control the three industrial parameters at same time for ex: boiler drum level control valve

Answer / chris

You nee to be specific, is it -
A) A 3 element loop?
B) 3 elements of a loop?

A) Normally used for boiler control.

B) 1. Detection (Element)
2. Control (controller)
3. Correction (valve)

Answer / ainadz

Basic for close loop.

1 - measure (trasmitter)PV
2 - control (controller)
3 - control valve (MV)

What is difference between Ionization heat and bimetallic heat

0 Answers   KOC,

Why Boiler Drum level transmitter (TX) or level transmitter rang always put -600 to 0 other -900 to 0. Mines range why use….?

4 Answers   Uttam Sugar,

any questions on motor and energy conversions machines?

0 Answers   ABB,

What is the PLC configuration in Cement industry?

0 Answers   IMCO, Maha Cement,

What are the reliability data ,like failure rate etc,for bently nevada systems & vibration probes.

1 Answers  

Dear sir I am MD.zafar eqbal. I have taken this id from allinterwiev .com I have qustion if you dont mind. 1.what is the maximum operating temprature in instrumentation. 2. I want know about viberation i mean wahat types of sensor used in viberation And what types of trabsmitter used.and hiw to control it and wher is used of viberation transmitter and finally how to control it and what types of fault come. Sorry for disturbing you. I know you have no reason for help me. Because you dont know about me.but i request you please help me these question are very usefull for my feauture.plz sir Thanking you. Sent from Yahoo! Mail on Android

4 Answers  

Can we get the outpot in c without using getch fiction? Answer is yes but output will stay on display 4 only few second.... But can we get output without using getch and also output will hold on the display...?

1 Answers  

why we used for range in pnumatic 3-15 psi and current 4-20 ma?

11 Answers   Jindal,

what is the difference between CPC and i/p converter

1 Answers   Siemens,

where cascade loop use ?

0 Answers   KNPC, KOC,

i have done DAE in Instrumentation and Process Control. i have applied for an apprentice training in chemical company after three day my interview will be conduct but i need more information about industrial process control and controller. my e mail is imran_dilsetu@yahoo.com please tell me interview question relative to instrumentation ?

0 Answers  

How is work 5/2 sov?

0 Answers