without a positionar can a control valve operate? give the difference of operating with positionar and without positionar?

5 Answers   IOCL,

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why we use impulse line of flow transmitter at 45 deg. angle both side of orifice plate.

0 Answers  

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What is the advantage of using locally fabricated hook ups over Pre fabricated hook ups in process instrumentation?

0 Answers   Engineers India Limited,

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which type signal in & out in dcs

4 Answers  

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in a electronic controller why we are using 250 ohm resistance in input signal?is i/p is necessary in control valve when we are using electronic controller give details?

3 Answers   IOCL,

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What is shriking and swell effect for a boiler ?

1 Answers  

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pls send me the 10 years technical question papers of NTPC AND BHEL

15 Answers   Bhel, NTPC, ONGC, UCE,

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send me last 5 years questions asked in rrb chennai, for section engineer

0 Answers   RRB,

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pls tell me whethere flame proof HMI's are available or every HMI is manufactured by considering flame proof standard.

3 Answers  

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what is difference between two wire &three wire pt 100 ?

3 Answers   Jindal,

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Technician A says the brake warning light is connected into both the parking and service brake systems. Technician B says the brake warning light will come ON only if the service brake system fails. Who is correct?

2 Answers  

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What is diffrent profibus & OFC Communication

1 Answers   Priya Cement,

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