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warning lamp does not light, but it does light when the wire from the lamp going to the sending unit is grounded (the part that plugs into the sending unit) what does this indicate)?
1 4271The wire is disconnected from the temperature sending unit (magnetic gauge). A voltmeter connected to the wire reads 0v. What does this indicate?
2 7423The wire is disconnected from the fuel gauge sending unit (bimetallic gauge). A voltmeter connected to the wire reads a pulsating 5v. What does this indicate?
3 6830Is there a particular problem if two proposals from the same observatory (originating with different partners) are submitted?
1 3659which instrument is most commonly used to observe the external features of a grasshopper's abdomen?
1 6151Is SmartPlant Instrumentation taking advantage of the quality assurance procedures within Intergraph?
1 5101Will Intergraph support SmartPlant Instrumentation in an AutoCAD or MicroStation environment on a long-term basis?
1 7980Post New Instrumentation Questions
I am using 971 Enraf radar level transmitter for LPG tanks ,the tank side indicator gives the error code 999999999FL can any body give me any diagnostic for this issue?
what is dc moter.
i have been asked by QAFCO to appear for interview for thy post of Instrument Designer(INTOOLS)..i m engineering graduate with 5 years exp. in design engineering.Will this job profile suit me??i need all ur help n suggestions for thy same?
while i check zero check for dp flow transmitter some fluctuating came (0 to 458 kg/h) what is the reason?
What is zone,loop/fire alarm system?
selection of the zener barrier for the hazardeous area zone 0
i am preparing for BARC ,so plz mail me how to prepare for BARC. ALSO IF POSIBLE SOME RELATED QUESTIONS. MY MAIL ID IS khushi_4uall2003@yahoo.co.in
Draw a simple circuit for a well head control panel used to protect the well against fire, leak, blockage, ESD, & controls the operation of one downhole & one surface safety valve. Explain the operation and controls
Valve positioner and actuators in detail.
what is the minimum power (P=VI)to produce a spark?
Explain pH, Conductivity.
is motorized valve closed when power shutoff?
what is interface level and how it is calibrate?
can anyone tell me about the basic concepts to consider before to start a PLC panel wiring
Q1: Consider part of a control loop, which excludes the transmitter, consisting of a process, a controller and a control valve which may be represented by two dead times of 0.5 min each and three exponential lags of 0.8 min., 1.0 min. and 1.5 min. respectively. We wish to express this system as an overall first order plus dead time (FOPLD) model ie gain, time constant and process dead time. (We will see later that this is often done, to simplify controller tuning). For this exercise, gain is considered to be 1.0. (A) If the transmitter is a flow transmitter whose behaviour can be described by a dead time of 0.2 min. and an exponential lag of 0.5 min. in terms of the overall dead time and overall first order lag how can the system behaviour be approximated ? Overall dead time = Overall time constant = (B) If the transmitter is a temperature transmitter with a temperature sensor in a protecting well whose behaviour can be described by a dead time of 0.7 min. and an exponential lag of 15 min. how can the overall system behaviour be approximated now? Overall dead time = Overall time constant =
