Answer / mahesh

If Control valve is constructed as per API 6D pr API 6A then fire testing of valve shall be as per the ISO 10497 or API 607

all types instrumentation questions want

0 Answers   Bhel, Descon, HBL Power Systems,

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My question may be very basic or childish but this question still persists in me, someone plz help me 1.why do we go for differential equations to analyze a system? 2.why do we solve it using matrices, is there any specific reason for using matrices other than the stories like it is simple,faster etc.

2 Answers  

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What are different types of orifice plates?

0 Answers  

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What pressure results for a flow transmitter of range 0- 180t/h in the dcs and 0-301mbar in the field using square root extraction. Kindly also suggest formulae for the percentages 0,25,50,75,100?

0 Answers   Kentz,

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what is the difference between active and passive loop ?

8 Answers  

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If fire would be inside the plant which fire detector is to detected the fire.

0 Answers   KOC,

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How to calculate the Range of level transmitter ?

1 Answers   CPCL, Sejong, SSPL,

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what is flow

2 Answers  

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What is an instrumentation amplifier? How is it better than a differential amplifier when handling outputs from a wheatstone's bridge?

2 Answers   Honeywell,

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HOW THE ORIFICE & PRV SIZING BE HAPPENED -- EXPLAIN IN BRIEF

3 Answers  

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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 (<ping STN0149> 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.

0 Answers  

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What is the basic difference between Modbus and CAN Open Protocols

0 Answers  

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