which is the best type to measure level of a Tank(water).
Displacer or Differential Pressure method?
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Hi Friends , i need one urgent help , i am preparing for M.tech entrance examination , i need some obejective questions related to instrumentation field. where can i get those ? can anyone help me pls ?
what is stroke check for field instument transmetter's & AOV's
What is the purpose of bypass valve across AS valve.
What is Droop? What is Step/Gradient Limiter in Turbine Governor control?
In Safe Guarding test what means by "Failed to Danger" ?
what is sliding spool valves?
SOME OF YOUR QUESTIONS ARE NOT MAKING ANY SENSE SO TRY AND PUT IN A LITTLE BIT MORE EFFORT BEFORE YOU POST A QUESTION. WE WILL ONLY HELP THOSE WHO WE CAN SEE ARE TRYING TO HELP THEMSELVES.
What is Positive Calibration and Negative Calibration?
There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?
I need control valve ISA hand book. Is there any site to download that big book containing all the pages. Written by Paul Friedmann
1- Explain about HPM 2- What is the FSC and explain the configuration of FSC 3- explain the complete loop of vibration, how it works (field to control room) 4- What is the use of proxymitter? 5- During job your partner effected with H2S then what you have to do. 6- what type of gland packing uses when valve glind is leaking.
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 maxdna ?. explain about the software details.
What is 3 selection available when configure the burnout protection for controller
can anyone tell me about the basic concepts to consider before to start a PLC panel wiring
