Answer Posted / faraj faizal

In PLC long distance communication is possible but in micro-controller its difficult chance of fault occurrence is high. In PLC troubleshooting is easy than micro-controller. reprogramming in PLC is comparatively easier than micro-controller programming.

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..

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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...

1626

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how to calculate orifice sizing? and tell me if pipe size bet 50mm t0 200mm then we can use pipe flange??? and above 250mm pipe size should i use D & D/2 Flange? is it right or wrong?

1488

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Explain about the leakage class of the control valves

1591

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What is the use of each wire in three wire RTD

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i have steam drum height 1000mm. and i want to placed the transmitter below the tap.how i calculate.

1501

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What is the use of control cable?

679

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pls suggest suitable MOC of diaphragm for pressure measurement of UREA grade solution service fluid.

2658

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for oil & gas industries which zone is normally preferred? why? give its example?

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what is commisioning procedure,2)what is is the main work in commisioning in the field tx to dcs, plz send me detail

1850

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how to calculate the total flow in square root

1740

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Define cryogenic?

711

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Why the ammonia and Nitric Acid level indicators is with millimeter ? and What is the conversion form millimeters that level indicator indicate to weight ?

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How will you test a transistor with a multimeter?

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why we are using digital signals for I/O & how to measure this signals is getting or not ?

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