Answer / ashwani goel

the pmmc instrument is the cheapest one because EDMis the
most expensive and rectifier and thermocouple types already
contain PMMC intruments. hence pmmc is cheapest

Answer / brijesh kr. bind

pmmc is the cheapest instrument.bcoz edm is costly and pmmc
is also the part of rectifier and thermocouple.

Answer / jignesh

rectifier is cheapest bcoz diode work as arectifier and is
cost is only 1 rs.

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

2 Answers  

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how many types of spped sensors n vibration sensors?their basic principle n connection?

0 Answers   IOCL, ITC Infotech,

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Tell about your IFFCO plant visit.

0 Answers   L&T,

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need to calculate flow rate with the help of dp range and orifice bore dia and size. range is 0 to 400 inwc and orifice size is 12 inch 150 # rf and bore dia is 7.180 inch. need to calculation for flow rate

0 Answers  

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When doing a liquid seal on a differential flow transmitter , most of the time the sealing liquid will be heavier then the process fluid. For wich application will the sealing liquid be lighter than the process fluid if transmitter is mounted below the process line.

0 Answers   Chevron,

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sir, i preparing hpcl,ongc,barc,hal exams(instrumentation engg)pls send a placement papers

2 Answers   BARC,

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How can you convert an SR Flip-flop to a JK Flip-flop?

1 Answers  

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Can we use PLC in Hazardous Area?

2 Answers   MNHG,

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How oil line flow measured?eplain about instruments used and working principle?

0 Answers  

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Sir, I am working as a Instrument Engineer in Grasim Industries. Can any body provide question answer for interview purpose

0 Answers   Grasim,

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how do i tune dearator pr control valve using PID. we set the set point is 0.6kg/cm2 now i want 0.5 to 0.7kg/cm2 limits so what should i give p,i,d values. then pls explain how do set pid values for control valve tuning?

0 Answers   SEWA, Sharjah Electricity and Water Authority SEWA,

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In control engg. : Differences b/w 1st order & 2nd order system, graphically & theoretically ?

0 Answers  

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