Answer / pal

its been not worth that m answering in 17, u cmpltd ua engg. as well as ua mba and movin to US , whats wrong with u fella, nobody can give u the ans. coz its ua lyf n u should take ua own decision to conquer the world..

What is the basic principle of vibration measurement by BENTLY NEVADA vibration measurement system? and Why it gives the -ve voltage output?

14 Answers   Ensol, GNFC, Reliance, Siemens,

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how to calibrate bubbler type level transmitter of rosemount make and how to set air flow according to the range.. give one calibration procedure with one example

1 Answers  

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In control valve there are two type of valve seat we can use metal to metal seat & soft seat.On this valve seat i have following doubt. 1)I have never seen practically the internal assembly of valve so my doubt is that basically weather the seat is soft seat or metal its basic MOC is same as valve body(SS or CS) only in soft seat we are using PTFE ring & place on valve seat & in metal this PTFE ring is not threr am i correct??????? 2)what are the common general rule for using metal to metal seat & soft seat,means its depend on process parameter like liquid,gas, steam & on valve leakage class.

1 Answers  

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What is cascade control in process instrumentation?

4 Answers   Engineers India, ITC Infotech,

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how we use the positioner feed back in split range control valves?

1 Answers   Tata Power,

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pls tell me whethere flame proof HMI's are available or every HMI is manufactured by considering flame proof standard.

3 Answers  

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What is Difference between Bench Set & Operating Range of Control Valve?

1 Answers   AB Sugar,

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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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if in a level tx height is given, how u calculate the ranges of the tx?

2 Answers   Bombay Rayon Fashions, Invensys,

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define SIMULATION a and what is the need of it

3 Answers   Siemens,

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any body tell me ,contol valve has how many cheractristic? explain it.

6 Answers   L&T,

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What is super thermocoupal?

0 Answers   Emco,

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