Answer Posted / ulaganathan

a loop may be defined as connection of elements
to the circuit making use of feedback.
It may be of open or closed type

Sir, I am working as a Instrument Engineer in Grasim Industries. Can any body provide question answer for interview purpose

2339

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what is piezoelectric transducer?give an example in power plant n state its principle?

2653

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What inherent design and operating principles are included in a modern control system to use predictive maintenance practices to increase overall system reliability?

2141

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what is the imbustion control loop

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Instrumentation Safe Guarding test. How to determine the interval time of the test. eg:Halfyearly,Every year,Every three years etc.

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What are the charcterstics of a P&ID controller block for Governor speed raise or lower for a load sharing functionality between 4 Gas turbines in droop mode.

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Draw a great bridge circuit.

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10899

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Specify eight technical requirements that you would consider important, when deciding upon a particular control valve?

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How to decrease opening & closing time of on/off valve?

1549

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What is Cavitation in a control valve?

2122

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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.

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

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what is the process for double acting cylinder pneumatic for 32' v/v

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