Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

It is desired to reduce effect of 50Hz pick up in a
thermocouple measurement. If a third order LP filter is
used for this, what should be its cut off frequency, if
gain should be 0.001 at 50Hz.

Answer Posted / guest

5Hz.This has a -20dB/decade fall off. the required gain is
0.001 or -60dB.Being third order filter, cut off frequency
should be 50/10 = 5Hz

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

any body who gone thru recent iocl interview.INSTRUMENTATION questions. I need.

2541


Explain the difference between plc and cnc?

1122


What is the main difference between Cavitation and Flashing?

14443


what is cems analyzer explain with principle and drawing ?

2454


what is the difference between attemperator and desuperheater ?

5629


Sir , i have completed my M.Sc In Instrumentation and presently working in Maintenance department 3 yrs Exp , is there is any possible for work in offshore ..

1877


How to calibrate smoke Dectector

1668


How to convert mmWc(mili meter water colam) to tph(ton per hour)?

1044


SOME OF YOUR QUESTIONS ARE NOT MAKING ANY SENSE SO TRY AND PUT IN A LITTLE BIT MORE EFFORT BEFORE YOU POST A QUESTION. WE WILL ONLY HELP THOSE WHO WE CAN SEE ARE TRYING TO HELP THEMSELVES.

2428


how 3 out of 2 Logic/interlocks works? give brief explanation with help of diagram.

2362


give eg of how I/P is used in control loops

1998


hi sir yhis is zahid ali i am preparing for the jspl at oct.4.please send me the recently updated sample paper.

2226


Can combine control system for Emergency control system (ESD)and Fire & Gas System ( F & G) is possble to built and offer to client? Can such system is as per Norms in India?

2037


Which type of pressure can be measured by these elements?

1179


When doing a liquid seal on a differential flow transmitter , most of the time the sealing liquid will be heavier then the process fluid. For wich application will the sealing liquid be lighter than the process fluid if transmitter is mounted below the process line.

1863