Answer Posted / vivek

P=H*D gives u dp which sufficent to calibrate transmitter
for value to read 3000 liters is the conversion of scale
from 0-100%

what is the field bus calble ? what are diffrences in orang colur cable and black coular calble ?

3005

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Instrumentation symbols interpration, P& ID, Logic diagram analysis, Electrical drawing analysis.

1955

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

2028

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How we calculate orifice plat size???

1523

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what is 24vdc live and dry supply

2259

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How does a single acting, spring return ball valve actually work? Does it require continuous air supply? 

2134

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what is installation and commissioning of (fat & sat) of power plant dcs ? this question keeps in desirable conditions of one company .

4841

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give eg of how I/P is used in control loops

1935

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Displace type LT to be calibrated in workshop, wt. 40, dia- 60 mm, density- 0.8kg/cm3.

1840

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if my flow is 20000 m3/h than which range of DPT i have to use????

1835

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please can any one tell me clearly about pid tuning i am confusing about this .how to tune pid easly?

2236

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CONTROL VALVE OPERATING IN MANUAL BUT NOT IN MANUAL. WHAT SHOULD BE THE PROBLEM ?

1888

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What are the interlocks we have to check during the start up of LP/HP compressor?

1992

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the 3 most common transmitter protocol being in refinery or qatar gas and aramco.

2931

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flow transmeter accuracy 0.075% of full scale & find ucertainty is 0.025 % so what is maximum limit band of uncertainty

2301

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