Answer / praveen kumar

Governor input is RPM....and based on setpoint it give 20-200ma to servo actuator, it increase actuator open or closing based on the setpoint and process variable(rpm) errors...its a simple controller oly...but the output range was changed....

can we change the range of 3151 model level transmitter of rosemount make? present calibration range is 1000mmwc and want to change it to 2000mmwc

4 Answers  

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If the Barrier Fails during online then What will be the control valve position in field or Positioner action in the field.

3 Answers  

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what is the T/C & RTD mesuremaint?

3 Answers  

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which type of signal used in instrument?

3 Answers   Emco, Makson, Sail, TATA,

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We are used CENTUM CS3000 of YOKOGAWA. please tell me how to simulate wihtout FCS and vnet.

1 Answers  

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-/5A. What is the meaning and limitations of this in energy meter constant. It is a 3 phase LT Energy Meter. If this Energy Meter is connected through a CT of ratio 200/5 Amps, then what is the multiplying constant and how its will be calculated.

0 Answers  

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what is maximum vaccume?

4 Answers  

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What is micromotion transmitter? What is the porpose of using this transmitter?

2 Answers   Samsung,

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How can measure flow in oil line?which type of transmitter is generally used?

1 Answers  

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How to work ultrasonic flow meter ?

1 Answers  

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Ohm’s law, kirchoff’s law, pascal’s law, Bernoulli’s therem,

1 Answers   CCIE, Emcure,

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i hav applied for the post of engg. in iocl so please require the past test papers fro instrumentation engg please please help me and send me the papers or tell me the pattern and type of ques asked in examination......

0 Answers  

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