Answer Posted / vijayaprakash
question is not clear?
But i thought this is three element boiler drum level
controller.
this controller inputs having drum level, steam flow and
feed flow . it controls output feed water control valve.
| Is This Answer Correct ? | 3 Yes | 3 No |
Post New Answer View All Answers
How RAL(Rotary air lock)works in cement industry?
Explain PID controller tuning & any one method used for it.
How to Calibrate Temperature Switch in field
all types of liquid analyzer principle with drawing?
In control valve proximity inductive sensor is taken as digital feedback for full open and full close.Normally its volts 24v when the sensor acts the feed back voltage 14v so that our relay not indicating in plc panel . kindly give the solution.
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.....
control panel design guidelines
What is the function of solenoid valve in on/off & shutdown valve and why it is not used in control valve normally?
Which is your favourite subject & explain any one topic of it.
pls give me presant awerness quistion and answer in my emailid.
please send data bank of quetions answers on analytical instrumentation.
how to relay switch sense the fault?
please send the drdo exam paper
how will you check torque value during Factory acceptance Test for control valve/ESD ON/OFF VALE how will you confirm this torque value is being correct, Which document will you be refer.
how will you segregate the alarm levels in alarm management system during factory Acceptance Test