Answer / dhankhandhar@ymail.com

We can never generate DC voltage ,we can only change AC to DC ,so no matter you are giving AC or DC input but Addy current will be always AC.

Answer / niraj

We are giving 24V DC to Vibration probe is having driver circuitry which will generate AC signal for eddy current

Why hunting will occour in control valve?

6 Answers  

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why we use 4-20 mA to do calibration of the instruments.why we cant use 0-20 mA?

8 Answers   Emerson, IEM,

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In control valves (like feed water control valve) we will give 3 kg pressure and how it controls 110 kg of water pressure?

4 Answers   SSL,

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How many types of sensor

0 Answers   Petro Rabigh,

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Can we use thermocouple in generator of power station replace RTD(pt 100)? if we don't have any place for use RTD.

2 Answers  

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Hi my friends Is any one who can assist me in knowing the typical interview questions for system engineer at General Electric pty Ltd

0 Answers  

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Define the difference between a stable versus an unstable controlled system and some of the tools you might use to be able to detect when this is happening and assumptions used for control system application design that could contribute to instability

0 Answers  

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what is skin thermocouple?

3 Answers  

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HI FRIENDS IHAVE QUESTION 1.WHAT IS PARTIALSTROKE TEST?WHY IT IS USED ON ESD ON OFF VALVES?

3 Answers   KNPC, Rotork,

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can anyone tell me about the basic concepts to consider before to start a PLC panel wiring

0 Answers   ABB,

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What is the difference between HMI and Scada?

4 Answers   Schneider,

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Is there’s power on the bus (if so, state whether on the signal bus, or on a separate in the following: a) HART b) Profibus DP c) Profibus PA d) DeviceNet e) Foundation Fieldbus

1 Answers   EIT,

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