Answer Posted / manan2347

Because of the scan time.
the scan time of DCS is generally of 100ms to 1 sec. where scan time for PLC ia 10ms.

we want quick action in case of any emergency for that we are using PLC in ESD system.

Name different parts of a pressure gauge. Explain the use of hair spring in the pressure gauge.

1082

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what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail

1743

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How to work temperature gauge?

1851

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can you send remote seal interface level transmitter calculation steps for oil water saperator.

2591

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why we r opening HOT BYPASS valve during startup of a compressor?

2084

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What are the application of bernoulli’s theorem?

1132

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i want to find out iffco get test paper

13076

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What you mean by multi stage control vavles?

1788

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I want to know the questions asked in ONGC interview(after being selected in the written exam) for Instrumentation branch.Kindly help.

2244

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plz you help about Que paper of mahagenco previous your,any model paper relad to it{maharastra power genration}

2317

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for oil & gas industries which zone is normally preferred? why? give its example?

1971

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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

2091

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what is difference between HOT permit and cold permit

2166

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What is hp & mp seperator .& what is its working principle ?

2219

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hi my name is rakesh patel i just complited my be in instrumentation & control now i am going to working as a validation engineer in a poject department so what is a scope in a future as a validation engginer ? what line is good for me can any bady give me complete solution please? your regard rakesh patel

1951

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