Answer Posted / a.c.subash

DCS is Distributed Control System with very speed scan
time,also with expanded I/O's,able to control very
complicated large control systems.Field instruments with
Field bus and Profibus can be easily complitable eith DCS
when compared with PLC.

Decibel.

2499

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

2179

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Galvanizing.

1901

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the output of the common trasmitter protocol in qatar gas are the following

1955

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There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?

1905

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

1933

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what is the difference between attemperator and desuperheater ?

5518

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what is the calibration procedure for transweigh make weigh feeder?

3946

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how to connect transmitter measuring sulfur process? 1-by using long impulse line or 2- by using coated short impulse line

2054

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please send the drdo exam paper

2336

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Sir, I want junior executive, Instrumentation question papaer for IOCL, Plz send to arabinda.ghosh83@gmail.com

2222

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i hav applied for the post of engg. in iocl so please require the past test papers fro instrumentation engg please please help me and send me the papers or tell me the pattern and type of ques asked in examination......

2006

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Yokogawa CENTUMVP R6.09 unable to download to Engineering Station with ExaOPC R3.75 The issue is when I try to download the common project section to the Engineering Station (STN) from the HIS in System View, it is unable to connect. The error displayed is: WARNING: Could not connect to equalize destination. (7001) Retrying. Number of retries = 0/1 ERROR: LdXopsLoadMain: connect error 10060 ERROR: Processing terminated due to connection error. (7002) Equalization end with errors. STN0149 ---- ERROR = 2 WARNING = 1 ---- Background: >Updated the ExaOPC software on the STN from 3.60 to 3.75 >STN operating system is Windows Server 2008 R2 >HIS operating system is Windows Server 2016 Stanard Solutions attempted include: >Ensuring all IP addresses are correct and all networked devices can be pinged. >The ability to ping a device using its host name from another device ( from HIS) >Ensure both devices firewalls are disabled. >The antivirus installed on the STN is disabled. >Ensuring both devices are within the same workgroup. >Added both devices to each other's Host and LMHost files. >Running IT Security tool after changing any administrative settings.

2139

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What is Alpha & Beta fctors related to Orifice Plate & its relation with flow?

3313

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Tell me the field calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter.

3141

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