Answer / faiyaz

Foundation field bus is communication protocol which is used to communicate between Process instrument and DCS in a single pair cable using a more instrument

can any one tell leakage class in control valve depend on which parameter and there is any specific table or chart for selection of valve leakage class

2 Answers  

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Which of the following instruments consumes maximum power during measurement?

3 Answers  

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if we open the inlet of an air regulator ,how it will affect the out put of regulator? (out put of regulator is using to operate an on-off valve.it is an air to open valve,and valve is in open position.my doubt is air regulator will hold the valve in open or not,if there is no consumption or leak in regulator out put side ,we only loose the input pressure.)

4 Answers   Asian Paints,

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What are the disadvantages of Human-Machine Interface (HMI)? atleast 3.

1 Answers  

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An equipment is certified for EEX, IA, IIC, T6, what do you under stand by this.

3 Answers   ADMA OPCO,

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what is zenier barier and what means zone 1,zone 2,and zone 3

2 Answers   Bapco Bahrain Petroleum Company,

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Why Current(Ampere) is chosen as Fundamental Quanties not Charge(coulomb) ?

3 Answers  

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In vortex flow meter how can measure the frequency of vortex generated by vortex flow meter

4 Answers   Cadila,

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Someone Please tell me what are the Pre-Commissioning activities in a Thermal Power Plant for an instrumentaion Engg.

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What is TMR

3 Answers  

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capillary type tranmitter using remote seals and capillary tubes filled with liquid of known of known density so if you wanna callibrate it just close block valve just before capilary @ high side & connect druck apply it's calibrated range pressure as normal calibration ensure low side block valve must be closed & if you asking commissioning so this is not a DP type pressure tx so simple if you wanna put in servie this tx just open high side block valve & than low side block same way i do it but still transmitter showing -13 ma.just tell me what i want to do ?

1 Answers   Gasco,

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how to calculate density?

2 Answers  

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