What is the differerence between hysterisis and linearity.

0 Answers   CCIE,

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In split range control, we will control 2 outputs with time interval. Eg :(with 4-20 ma signal, for 4-12 ma we are operating one control instrument like valve & for 12-20ma we are operating other control instrumet (other valve). If we get a signal of 15ma to first instrument (Valve 1), what will happened to the first valve, and if we get signal above 20 ma to 2 valve what will happened ?

3 Answers  

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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

0 Answers  

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what is vibration a part of proceess variable? if vibration is a part variables then how we minimize the actual vibration on machine on load,? vision of instrumentation contrl plz ans me IPGDL interview question

0 Answers  

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difference between DCS @ SCADA system? and how can use in field

5 Answers   Marafiq,

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What is the difference between HMI and MMI?

16 Answers  

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i want to control the temp of sand(welding flux) between the range of 150deg C to 170deg C. sugges me sum temp control method without PID controller.

1 Answers  

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How to Calibrate Level Troll in field

0 Answers  

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What is the difference between local indicator(flow) and flow indicator?

2 Answers  

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Sir,I am going to sit for IOCL written test exam. recently.Can anyone tell me the name of 'Objective type Question Book on Instrumentation Engineering ' which will help me. Pl. mail to bidyut_71@rediffmail.com / bidyut.saha2008@indiatimes.com / bidyut.saha09@yahoo.in

0 Answers  

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what is Green field /brown field exposure in chemicals /oil /petrochemicals /refineries /paints /speciality chemicals /gas /FMCG /glass industry

1 Answers  

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There are many type of control cable like pair,core,tried, What are defination each one

0 Answers   Birla,

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