Answer / hitesh

five TYPE OF LEVEL MEASUREMENT
1> DIP TUBE METHOD
2> DIFFERENTIAL PRESSURE METHOD
3> ULTRASONIC METHOD
4> NUCLEONIC METHOD
6> RADAR TYPE

Answer / abhijith

five type of level measurements,

1. Capillary type
2. radar type
3. ultrasonic
4. differential pressure method
5. capacitive type

Answer / usman

1 guage glass
2 dip stick
3 pressure transmitter (open tank)
4 diff pressure transmitter (close tank)
5 radar type
6 displacer type
7 ultra sonic waves
8 capacitance probes

I HAVE GOT TYPICAL PROBLEM WITH THE TEMP.INDICATION. THE PROBLEM IS THE K-TYPE T/COUPLE OUT PUT IS CONNECTED TO A INDICATOR.THE INDICATION FLUCTUATES SOME TIMES AND SOME TIME IT IS STABLE. WHEN I CHECKED OUT PUT OF T/COUPLE THE MV WILL NOT VARY. WHERE AS INDICATION FLUCTUATES. WHEN I GIVE MV SOURCE TO T/COUPLE EXTENSIONCABLE FROM THE FIELD IT INDICATION IS STABLE. WHEN GIVE MV SORCE TO INDICATOR ITS INDICATION IS STABLE. PLEASE CLARIFY.

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what is three element loop

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Control valve Flow characteristic. How the equal percentege curve form?

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The wire is disconnected from the temperature sending unit (magnetic gauge). A voltmeter connected to the wire reads 0v. What does this indicate?

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in my plant 100% feedwater control v/v is air to close but due to instrument air fail,the valve opens but instead of drum level high its get tripped in low low drum level.the urv of level tx is 0 and lrv is -800.pls tell me the reason. for such behaviour.

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suppose in dcs range of a flow transmitter is 10t/hr what is dp for 50% in 2500mmwc

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when i installed Allen_bradley_RsLogix_500_Pro_V_7.0,after installation it gives the fatal error.it need activation file.from where and how i can find its activation file.

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what is full form of SMART

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what is meant by cold junction compensation. where it is used.

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I am a instrument technician. recently i attend interview and face one of question for DP transmitter ,the client asking about the calibration of DP transmitter ,am answer the calibration procedure, they will ask one more question. why open LP side in atmosphere? i did not answer that question. so please help me and explain the particular question. Dear firends waiting for your valuable replay

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EXPLAIN PROPOTIONAL INTEGRAL DERIVATIVE CONTROL ACTION?

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Draw block digram for well head from well to shipping pump?

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