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Shell Instrumentation Interview Questions

Questions Answers Views Company eMail

deference between DCS and PLC including date processing and architacture.

11 20440

the 3 most common transmitter protocol being in refinery or qatar gas and aramco.

2987

If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , then it will reaches again 50%, this type of action occured frequntly.. so what to do for solve this problem. The possible cause is in volume booster or positioner's relay.. positioner is double acting .. and make siemens..sipart.The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?

2 13050

Coriolis flow meter coil supply is 24vdc but why still we given 230ac for this transmitter let me explained detailed review please

1 4824

Why we are using temperature and pressure as a reference when measuring flow of steam?

4 9457

what is commissioning & pre commissioning , explain with difination

2 5905

why we are giving negative supply for vibration sensors?

3 11646

What is capacity of impulse line tube ...answer in psi

2 11547

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Shell Instrumentation Interview Questions

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Un-Answered Questions

What is the home directory in unix?

967

How many types of C/C++ preliminaries are present in R?

Does netlib support windows 95?

990

How vendor Naming registry supports JNDI?

2263

Explain customer/vendor master records? : fi- accounts receivable

1175

How each of the following losses occur in d.c machines (i) copper (2)core (3) windage (4)friction please help me

2085

what is cost accountinp

2383

How is Siebel x data model is different from Siebel 0 data model?

1022

What is the importance of Natural language processing?

974

What is sealed class?

1199

How do I unhide the taskbar in excel?

751

What is the latest version of drupal?

156

How can I delete multiple lines in word?

658

write a query to retrieve the last day of next month in oracle.

987

Explain pipelining? : Dot net architecture

1054