Answer / sagar.tinkhede

The ratio of Wake Freq (Fw) to Natural Freq.(Fn) should be
less than 0.8 and if it goes above it then there is chances
for breakdown of thermowell......

Answer / jigar anadkat

As per latest revised standard the ratio should be 0.4 (ASTME 19.3:2010)

in which application we use bigger size actuator

5 Answers  

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What is an SCR?

4 Answers   GAIL,

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Generally in which location ( JB or IO card or DCS) the thermocouple compensation is done.Also where they measure the atmosphere temp ( for compensation) in JB OR DCS panel? How they compensating that atmosphere temp? is any circuit for that ( like in rtd wheatstone bridge)?

3 Answers  

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In apron feeder how TPH is calculated?

0 Answers   Lafarge,

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Reason for capillary type dp level transmitter fluctuation

0 Answers   BMB, Enppi,

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whats the problem will arrise if we rotate the hosing screw of the differential pressure transmitter?

1 Answers  

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what is the difference betwwen the 2wire level transmitter and 4wire level transmitter??and their applications also??

2 Answers  

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Positioner usage.

0 Answers   CCIE,

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what is droop mode n frequency mode in wood ward governor?

1 Answers   TATA,

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sir, i preparing hpcl,ongc,barc,hal exams(instrumentation engg)pls send a placement papers

2 Answers   BARC,

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in my company organisation in plan to take new PLC system for replacing old relay system , for that what I/P needsd to submit to the system house of PLC supplier?

1 Answers  

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what is three element loop

7 Answers  

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