Answer / faiyaz

ESD means emergency shutdown valve its used in flow line its generally fully open and fully closed its control by the dcs system when plant would need to be maintenance or any thing will happen in side the plant ESD valve will be closed.
PLC stand for programmable logical controller its industrial computer system which is used to monitoring and control the input output system

sir i m preparing for BARC but i am not getting any papers to prepare for this exam so please send me some sample papers to my i.d for the preparation of barc.

0 Answers  

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wht is mean by dpt(differential pressure transmitter)

1 Answers  

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what is the control valve?how many types of control valves are there

6 Answers   Chemin, Hindustan Zinc,

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An electronic p controller has an input range of 1-5v, and output range of 4-20mA, while testing a step change of 0.4 was applied at the input , the PB setting was 50% ,what should be the change in the output ?

1 Answers   Reliance,

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sir, i preparing hpcl,ongc,barc,hal exams(instrumentation engg)pls send a placement papers

2 Answers   BARC,

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A pressure transmitter with a range of 0-100 bar.The accuracy of the instrument is 1% of upper range value? The pressure indicating transmitter is showing the system pressure is 50 bar. b. When you include the error, what is the minimum possible pressure in our fuel gas system? i. 49.5 bar ii. 49 bar iii. 1 bar iv. 0.5 bar We want to change the filter cartridge. We must depressure the fuel gas system. c. After we depressure the system in preparation for maintenance, the transmitter displays a pressure of +0.1 bar. At this time, what is the possible range of pressures in our fuel system? i. +0.099 to +0.101 bar ii. 0 to +0.2 bar iii. -0.1 to +0.3 bar iv. -0.9 to +1.1 bar

3 Answers  

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find the kp ki kd from the transper function G(S)=29.44s+04707/1.5349s2+s

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Specify for Cables - Flame Retardant and Fire Resistant?

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Can DP transmitter with orifice plate works on Beta ratio 0f 0.3 and differential pressure of 100 MMWC in liquid service application?

1 Answers  

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What is compensation for flow ? Why we use compensation ? What are the factors of different compensation ? We not use then what problems may happen ?

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what is cold loop? difference between hot and cold loop?

0 Answers   Adani Power,

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what type problems create in radar level transmeter and what is its solution

2 Answers   Essar,

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