with the help of suitable diagrams different types of control valves

1 Answers  

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units of pressure,flow, level,temperature? principle of pressure gauge? calibration of pressure tx., level tx., temperature tx.flow tx.? description of two wire ,three wire and four wire R.T.D.? WHAT IS INPUT AND OUTPUT OF TX.? WHAT IS INPUT AND OUTPUT OF R.T.D. AND THERMOCOUPLE? WHAT IS HOT LOOP AND COLD LOOP? WHAT IS INPUT AND OUT PUT AND OUTPUT OF D.C.S. AND P.L.C.? PRINCIPLE AND WORKING OF HART? WHAT IS PNP AND NPN PROXY? CALIBRATION OF PRESSURE ,LEVEL ,FLOW SWITCH? DESCRIPTION OF FIELDBUS FOUNDATION? WORKING OF SOV.?

2 Answers  

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what is the differnce betweeen hart and smart tx

3 Answers  

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what's the reson that,Load is not same on VFD I/P and O/P Side.whenever DOL condition load is same I/P and O/P side.

2 Answers  

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What is the difference between pneumatic and electro pnematic positioner?

3 Answers   TCS,

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Draw a P& ID showing – orifice flange, plate, dp transmitter, isolation & bypass valves and tubing.

0 Answers   CCIE,

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What is the difference between ROM & RAM .

1 Answers   Sabic, SPIC,

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how do u calibrate the vacuum transmitter if it shows more reading

0 Answers  

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instrumentation

1 Answers   Tata Steel Limited,

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if drum level is low what is interlock? i mean we put interlock to fd fan or id fan ?

4 Answers  

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Which is the best field foundation bus. ( FF ) Yokogawa, Honeywell or others ?

0 Answers   GNFC,

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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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