Answer / aftab ahmed mazari

There are mostly two types of magnetic pickups for speed
measuring.
1. Passive sensor
2. Actice sensor
In active sensor, hall effect is used to get frequency
signal.

Answer / mithilesh kumar

in power plant it's used for turbine speed(RPM).

the pump holds on run indication into the dcs and filed local control panel remote push button condition operaton wrong like when the push button pushing conditions the pump is off and the push button release condition the pump is on totally opposite condition . And control room inside give the stop command into dcs just 1secon relay engage and again normal condition. How can I slove

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what is three element loop

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i am having information technology branh ....... can i prepare for psu exam

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I am an intru engg frm pune n completing mba marketing in may 2010, what kind of profile would best suit my educational qualifications??? Also, i will move to US in jan 2011, so this job experience should count Over there too 'coz i want to continue workin even there....

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What is the full form of PMMC ?

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Transducer Input 0 to 230 v ac Output-0 to 10vdc Receiver Input 0 to 10 vdc and Output 4 to 20 ma How?

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Lists Different types of Tappings.

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i want formula for flow control.am doing project in flow control using orifice . i know value of the flow level(Q) . upstream(p1) pressure, orifice diameter(Do) , pipe diameter(Di) and oil viscosity(Vi) how can i calculate downstream pressure

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3element

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What is the difference between pneumatic and electro pnematic positioner?

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why r using 250 resistances

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