Answer Posted / pradip

*To determine live zero
*To avoid noise
*Linearity is maximum
*Transmission of signal over long distace

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

1840

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how to calibrate mass flow meter (Coriolis)? Example calibration range: 0 to 2500 kg/hr line size 3" fluid: Etheline glycol (MEG)

2685

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Why does a pressure gauge installed on reactor, doesn't have any vent line below to release the pressure? Is it any kind of designing mistake or it actually does not require any vent line? And if it does not require any vent line below it then how we are gonna release the pressure built inside the pressure gauge?

2173

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Reason for capillary type dp level transmitter fluctuation

1983

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There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?

1964

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How to calibration a control valve?

1167

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In apron feeder how TPH is calculated?

1734

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Explain why plc require in analog input 4-20amp & 0-10 volt?

1097

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What is the difference between uv and ir scanners? and what is the workig principle of both

2371

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our kks tagging is crossing more than 12 character please suggest how to take tags in the DCS

2075

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How can you add value to this Industry if offered the job?

1597

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Programmable Logic control.

1964

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how to relay switch sense the fault?

2610

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Calibration procedure for water rotameters

2194

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why we are using digital signals for I/O & how to measure this signals is getting or not ?

1993

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