Answer / raja2016

safety barriers simply neglecting the spike voltages from the field that affecting the electronic I/O cards in the PLC system by fuse blow down in it
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Answer / vikash shukla

safety barriers are device which are used to lower the electrical energy when transmitting signal from hazardous area so that combustion and other accidents can be avoided.

Types of contol loops

2 Answers  

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1.how can calibration temperature transmitter and flow transmitter? 2.

0 Answers   Gulf Jobs,

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Dear Sir/Madam,im going to attend Hpcl written exams on feb 17th in instrumentation stream..can anyone send me the HPCL model papers and pattern of HPCL ....i ve not yet attended anything in HPCL...so i dont know how it comes...so just i need some model test papers and pattern ..pls help me friends...

0 Answers  

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what is stability

2 Answers   IOCL,

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what is meant by nuclear collector?

0 Answers  

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i have 80cm water tank.how can i use DPT as level mesurment.pls give specs for that..? We have air comp.from that moisture comeout to one tank.i want to mesure level of water in that tank and then after operat one sov to dicharge water after high level.

1 Answers  

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In 16' pipeline one pcv is installed which is controlled by PT installed at inlet of PCV.If Flowrate in pipeline increases what will happen to pressure at the inlet of pcv.

5 Answers   Essar, vssc,

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relation between flow and differential pressure.

7 Answers   ABB,

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why does a transmitter o/o signal starts from 3-15psi or 4- 20mA?

11 Answers  

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What is Span Error

0 Answers  

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How to force the bit in GE Mark V?

1 Answers  

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-200mmwc to 500mmwc range transmitter have there 4mA is -200 and 20mA is 500.what is the range in 12mA?

5 Answers   NCC,

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