Answer Posted / roshan

Types of Controllers ie)closed loop control .open loop
controller,ratio controller.Then P,I,PI,PID controller,PLC
etc.refer Process control and Control Systems

How to Calibrate Level Troll in field

1402

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What is Positive Calibration and Negative Calibration?

2246

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while am calibrating Drager polytron 2IR flame gas detector occured non zero status.how can i get zero status?

2205

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we have a s-5 simense plc having op7 .recently on op7 showing error 1.plc not present 2. DB error frequently. can u have any solution . please send me.

2609

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How to Calibrate Coriolis Flow transmitter in field

1266

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What is the principle of capacitance type level transmitter?

1079

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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......

2048

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3. Differentiate between ultrasonic flowmeter and radar type flow meter.

2949

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key phaser where is use and work

1972

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tell me the field & lab calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter, temperature transmitter, temperature indicator, flow indicator, level indicator, control valve, thermocouple, pressure indicator (digital & analogue),

2312

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What are the uses of orifice plates?

1082

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How do bending tubing provide better measurement than using tubing fittings such as elbows?

1939

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few questions on RS 232,1 question on relationship of impedance and turns ratio, many questions on flowmeters

2032

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For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

5455

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what are the use of belew gear in general ??

2002

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