Answer / anurag,e&a,ispat ind. ltd.

loop is that by which we feedback some output signal to
input.there are two type of loops.
1.closed loop
2.open loop

Answer / ulaganathan

a loop may be defined as connection of elements
to the circuit making use of feedback.
It may be of open or closed type

Answer / ramanathan

A loop is which has a feed back of output&where the error
deduction has been done.eg. in a closed loop there will be
sensing of value & controller will do the job.

Answer / eid elatawy

Loop can be process loop or instrument loop
for instrument loop is the signal from/to Controller(DCS or PLC or....etc) and this signal started from the instrument(valve or transmitter or...)to junction box to DCS through multi core cable.

Define cryogenic?

0 Answers  

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Whatis the reset ofset and control system in instrumentation

0 Answers   Asyad International Company, CAE, Sugar Factory,

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what is performance test.need defination

0 Answers   Takreer,

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how u measure dp in dp tx? how u calibrate a dp tx?

3 Answers   Invensys,

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please help me to get the below mentioned quires,which i have to submit for my client.[INSPECTION TEST PLAN] 1]I.T.P for Calibration of all instrument. 2]I.T.P for SS tubing. 3]I.T.P for Fire & Gas devices. 4]I.T.P for CCTV & telecommunication. 5] I.T.P for loop checking.

1 Answers  

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the square root type transmitter r used to which applications

4 Answers   Roche,

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What are the materials available to prepare individually for competetive exams in Instrumentation field? Plz reply...

0 Answers  

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1 bar is equal to how many pound per square inch(psi)?

14 Answers   Essar,

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what happens if we are having very very high cavity and flashing in a control valve..??? is it stops working...immediately... or eroded...slowly

2 Answers  

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WE Know that different supply voltage of solenoid valve like 24,110,220 etc..how we check the solenoid supply is 24v or 220 NOTE: No specification at device.

2 Answers   OMV,

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wt kind of business we can do by usig PLC?

2 Answers   Dabur,

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I am manjunath having exp in maintenance of chemical plants,know i want to do a design course INTOOLS,after doing design course can we get jobs in design field.sinve i dont have design exp..

0 Answers  

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