Answer / palaniappan balagurusamy

Flame scanners detect the UV or IR waves generated from the
hydrocarbon combustion. Visible type flame scanners are
also available.

Each type of hydrocarbon give out different frequencies of
UV / IR / visible spectrum.

Intensity component of the flame in a flame scanner is
detected to show the operator how intense the flame is.

The frequency of the flame is detected to discriminate
between different hydrocarbon flames. For example in an
boiler combustion flame scanner using oil and coal in
different elevtions, this facility will be useful. The
flame scanner in one elevation buring oil will not sense
the flame of the other elevation burning coal.

what is the difference between CPC and i/p converter

1 Answers   Siemens,

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What is the formula to convert mv to temperature in k type thermocouple?pls simply elaborate? I got one ans.it is Temp=mv×25°+atmospheric temp,but here what is 25°,i confusef ,so pls????

2 Answers   HPCL,

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Instrumentation Safe Guarding test. How to determine the interval time of the test. eg:Halfyearly,Every year,Every three years etc.

0 Answers  

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(1) In turbine, what does term CDP, NI, NH, HSSOC, means. (2) What is the purpose of LO overhead tank in turbines.(3) An equipment is certified for EEX, IA, IIC,T6, what do you under stand by this.(4) what is SURGE, and how it is prevented, what is the purpose of bypass valve across AS valve.(5) Give 2 application of quartz crystal used for process parameter measurement.(6) what is meant by cold float of compressor shaft. (7) state four different types of flow measurement. For gas flow measurement mmscfd is the common unit. Expand the unit and specify significance of word S in the unit.(8) what is meant by Gap voltage, in vibration measurement. Normally how much Gap voltage is set and state the reason.(9) what will the new flow factor if D/P transmitter is Re-Ranged from 25” wc to 50” wc.(10) what is the usage of QDV & Volume booster.

0 Answers   ADMA OPCO,

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[ MITUTOYO / TESA / KUMAUN / MAHR / BRITOOL / TOHNICHY / DIATEST-GERMANY / IMADA / TECKLOK / SYLVAC /ADITYA=ACCURATE / BAKER/ CRYSTAL / FLUKE-RAYTEK ETC. 5.=SUPPLY= VERNIER CALIPERS / MICROMETERS / HEIGHTGAUGES / SLIPGAGE / BORE DIAL GAUGES / MEASURING PINS / TORQUE WRENCHES / GAUGES.. PLUGGAUGES / RINGGAUGES / SHORE A / D HARDNESS TESTERS / DIAL THICKNESS GAUGE / FEELER GAUGES / ELECTRONIC COMPARATORS WITH PROBES / DFTMETERS / SURFACE ROUGHNESS TESTERS / DIGITAL= COATING THICKNESS METERS / PROFILE PROJECTORS /.. WE ARE ALSO DEAL IN == DIGITAL TACHOMETERS / =MULTIMETERS! / VIBRATION METERS / MEGERS- INSULATION METERS / =TE! MPRATURE INDICATORS / SOUND-LEVEL METERS / ETC... =AGENCY- FLUKE- RAYTEK.. MECO....LUTRON...KYORITSU....RION

0 Answers  

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what is the principal of coriolis mass flowmeter

1 Answers  

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Sir, my yokugava FF TYPE LEVEL transmitter us bad, i don't have spares available, i want to replace it with a Rosemount FF transmitter, please tell me what procedure to be followed and what changes to be done in dcs part.

1 Answers   BPCL Bharat Petroleum, OEG,

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please send the hpcl (instrumentation) model placement papers to my mail....

9 Answers   HPCL, Invensys, IOCL, ONGC,

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what pressure transmitter?

8 Answers   Bhel,

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HELLO FRENDS ,, I M IN THE MIDST OF TROUBLE .. JUST LITTLE HELP ME... SUPPOSE ,, I HAVE A CLOSE VESSELE TANK ( HEXANE MEDIA ) ,, I M USING ROSEMOUNT 2051 DPT FOR LEVEL APPLICATION .. ITS CALIBRATE RANGE IS.. . 0 TO 950 MMH20 ..I DID CALIBRATED DPT WITHOUT REMOVING IMPULSE LINE OF HIGH AND LOW TAPPING.. & WITHOUT DISTURB 3 WAY MANIFOLD..!!! BUT ,,, DURING CALIBRATION I SELECT RANGE BY HART LRV IS 900 MMH20 & URV IS 1300 MMH20 ,, BUT ,TANK LEVEL SOMETIMES 100 % AT 1100 MMH20 , SOMETIMES 1300 MMH20 ..IN THIS CONDITION .. WHOLE LOOP FAILED ,, MAIN THING IS THAT ,, HOW TO CUSTOME RANGE SELECT ?? AND IF I USED RANGE OVER THE ORIGINAL CALIBRATE RANGE ,,,THEN WHAT ERROR WILL BE COME ??? HOW TO ZERO CALIBRATION OF DPT... HOW TO ZERO TRIM BY MANIFOLD ?? AND FOR TANK LEVEL PURPOSE ... WHICH UNIT I CAN USE ??? IS THERE ANY CALCULATION OR CALIBRATION .. IF YEH .. THEN PLZ JUST GIVE ME CALIBRATION STEPS FOR DPT.. THANKS YOURSSSSSSS

1 Answers   Torrent Pharma,

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if the t/c o/p is 4-20mv then how plc recognize it because we are dealing with the 4-20ma in the plc ????????????????

7 Answers  

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what is metal of piston ring

0 Answers   MahaGenco,

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