Explain about relays..
Can we give both AC and DC to the same relay...
How it is energising..
Explain its working..
Answer Posted / gulab chand saini
it sence any abnormal condition and react accordingaly,it
having no or nc contact for trippig the ckt
| Is This Answer Correct ? | 1 Yes | 4 No |
Post New Answer View All Answers
how many types of viberation transmitter and how to calibrate and where use of vibration transmitter
What are the error values can accepted in flow transmitter calibration?could u give any formula for this?
Which is the best field foundation bus. ( FF ) Yokogawa, Honeywell or others ?
hi friends,im an instrumentation and contol engg student,can u hlp me of suggsting barc written question paper,my id is roysuvaranjan@gmail.com, cel no.9563591747
how to connect transmitter measuring sulfur process? 1-by using long impulse line or 2- by using coated short impulse line
How can we use feedback signal frm rtd for monitoring and in dcs for controlling ,then which type of rtd is sutaible 2 , 3,4wire and why ?
I faced several time siemens ps2 positioner automatically getting Chang in it's set point direction after auto calibration So is there any causes biside this or any permissives ?
what is 24vdc live and dry supply
How to measure the dust in chimney(spm)?
Explain why plc require in analog input 4-20amp & 0-10 volt?
can you provide me full detail about instrumentation in ONGC??
what is sil (safety integrity level
1.can you use SCADA instead of DCS,DCS instead SCADA 2.Difference between DCS and PLC,can their role be reversed i.e. role interchange 3.Difference between RTU and PLC
pls suggest suitable MOC of diaphragm for pressure measurement of UREA grade solution service fluid.
what is effect of specific gravity in differential level transmitter , explain formula related with this .