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Why the Proximitor supply should be Negative voltage? Why should not we give Positive voltage to the Transducer?
6 16409Whether the DP transmitter can be utilised in the medium of Vaccum for the measurement of Level?
10 18611When a timer is placed in RS Logix 5000 with preset value less than its scan time it is malfunctioning. i.e., if the preset is set to 30ms still the timer TT bit is counting till 150ms(its scan time). Any solution for the problem?
2 8176pls tell me whethere flame proof HMI's are available or every HMI is manufactured by considering flame proof standard.
3 6187plz you help about Que paper of mahagenco previous your,any model paper relad to it{maharastra power genration}
23341. What means HART communicator / where it is used / how to use it? 2. Types of Thermocouples and its temperature ranges / output of thermocouple? 3. Types of RTDs and its temperature ranges / output of RTD? 4. Idea about Temperature Transmitters? 5. Difference between Analog and Digital signals? 6. Difference between “2 wire” and “4 wire” system / instruments? 7. Difference between “Potential” and “Potential free” contact? 8. Types of flow meters / transmitters? 9. Types of level transmitters? 10. Difference between “Power/Control” cable and “Instrument” cable? 11. What means “shield” and “screen” in cables / how it is useful? 12. Draw a schematic of closed loop circuit of flow / level / pressure / temperature? 13. Idea about calibration of Control valve / positioned / I/P? 14. How to bypass a digital/analog signal in PLC/DCS by hardwire and software?
JSL,
6 46887i 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 ?
2327Post New Instrumentation Questions
Programmable Logic control.
How u will setup SPI(2007) on Citrix Server (Thin Client Mode)? Plz Justify?
diff between neutral ,ground,phase , earthing and shielding?
what are the different types of Protocols? & their applications.
Calibration procedure for electro magnetic flow meter
What is frequency factor in massflow meter? When using frequency output?
what is basic difference between motion balance and force balance in pneumatic instrument?
How we connect a instrument with ground, Give brief explanation with help of diagram?
give me the formula for analog to digital converter and also d to a converter
What is the calibration procedure of Drum level transmitter if range is 0 to -400 mmh2o in lab?
For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?
what is KV and XV valve
hi my name is rakesh patel i just complited my be in instrumentation & control now i am going to working as a validation engineer in a poject department so what is a scope in a future as a validation engginer ? what line is good for me can any bady give me complete solution please? your regard rakesh patel
Explain the working of rota meter.
Draw bode plot of any transfer function. Why is plotting bode necessary?
