what is the way of measuring air flow in air duct?explaim instruments used and DP creation in line?
3 5268what are the different types of communication cables used in automation and what are the difference in the cables
KN,
1 3184in control valve is constructed as per API 6D or API 6A, then which standard is used for fire testing of valve?.
1 3550in valve is constructed as per SME B 16.34, then which standard is used for fire testing of valve?.
1555Post New Instrumentation Questions
plz tell me clearly about PID.."when v have to change I value,D value,GAIN??
what is dc moter.
If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , so what to do for solve this problem. The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?
What is 3 selection available when configure the burnout protection for controller
What is the calibration procedure of Drum level transmitter if range is 0 to -400 mmh2o in lab?
how is work pressure switch& level switch?what is the principle of this?
why orfice is not used for main steam flow calculation
What care will you take in the installation of control valves,SCADA,DCS and FOC in Oil and Gas Project?
State bernoulli’s application.
Explain signal isolator
what is installation and commissioning of (fat & sat) of power plant dcs ? this question keeps in desirable conditions of one company .
Using your own examples solve a problem involving normal table. (experimental method and analysis)
what is stroke check for field instument transmetter's & AOV's
draw shematic diagram of c/v positioner(smart type)?
What is offset in a control system.