Hello friends i need check lists of different instruments during the Erection and commissioning in thermal power plant.Please help me.My Mail id is naba02222@gmail.com/naba02222@rediffmail.com Thanks Nabakishore Biswal
1 3359wht is snap action switch?where it is used?is there any diff between snap action switch and normal pressure switch?
ONGC,
1 3245Post New Instrumentation Questions
flow transmeter accuracy 0.075% of full scale & find ucertainty is 0.025 % so what is maximum limit band of uncertainty
How does a single acting, spring return ball valve actually work? Does it require continuous air supply?
How to calculate P,I&D value in PID controller ?
What is cut off relay? And why use in PLC and DCS?
What is the use of each wire in three wire RTD
control panel design guidelines
, Instrument Index, P&ID review, I/O schedule, datasheet, DCS / Analyzers specifications, loop diagrams, hook-up drawings.
why fuse block is not used for AI signal?
Which are all the commonly used Bordon tubes in the pressure gauges. Do any one use ASTM A 312 tubes for this purpose?
How does temperature bath work? How does coil gets heated only by applying some current?
selection criteria of control valve? and selection criteria of actuator explain in brief?
how pressurize drum calibrated ?
What is the procedure of calibration of Load cell?
plz tell me clearly about PID.."when v have to change I value,D value,GAIN??
describe flow nozzel principle?