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In power plant to measure vibration of a turbine we install sensors. Before install this sensor we have to set gap voltage. What is meant by gap voltage and its use?
2068What is the detail function of I/O card in DCS ? Why we dont use the I/O directly with controller?
3 15760I have observed in field instrumentation work... I remove the fuse of an analog transmitter then it shows 7.75 kg/sq cm (which is practically wrong value)in DCS and when put the fuse it shows 0 in dcs. Then cheach the field transmitter termination and found moister. clean that and then it shows 1.1 kg/ sq cm which is right value. Please describe the above phenomenon.
1 4405What is compensation for flow ? Why we use compensation ? What are the factors of different compensation ? We not use then what problems may happen ?
1977In most process, speed of motor controlled by control system with a reference pot . Now if i start & it becomes uncontrollable, i.e.gets directly start & stop after certain time.Then which reasons can make such problem? can motor may be faulty?how?
3 6218IS there any effect of vortex in low pressure side of the transmiter after the orific in feed water line? if yes then what is the calculation?
2391Post New Instrumentation Questions
in differential pressure transmitter,min&max pressure range for hp&lp
we want to control pump in let pressure and tank (for exp) our inlet line if water cam and pump will on and when our tank will full pump will off also if our inlet pressure low pump will off even tank not full.this pump i want to uses on our water supply line.
There are many type of control cable like pair,core,tried, What are defination each one
Why all the drains(Gland sealing,ESV,Casing inlet etc) are directly connected to the flash tank instead of hotwell of the condensor in the power plant? My Email Id:naba02222@gmail.com
Why mmwc unit is used?
Hi i am aneesh, done btech in applied electronics & instrumentatiin. And then i took mba in finance & marketing.After that i got placement in finance co and worked there for 3.5 yrs.Now i wanted to come back to engineering job.But without engg experience, i may not able to find an opening.i have done a course related to flow meters and ite calibrations. Kindly suggest where should i try to get a job?
What is wet leg condition and why is it used?
any questions on motor and energy conversions machines?
why orfice is not used for main steam flow calculation
ORP sensor working principle?
What is the differerence between hysterisis and linearity.
I need to know steps to Calibration Valve Guard......
why we use cascade control and feed foreword control in 3 element control of boiler drum ?what is feed forward and cascade control system ?
CONTROL VALVE OPERATING IN MANUAL BUT NOT IN MANUAL. WHAT SHOULD BE THE PROBLEM ?
What is the formula of vabration sesore. i mean how to covert mils to volt plz share if any body knows very argent : my mai is merajalam143545@yahoo.com
