What are the questions asked in fresher instrumentation candidates

0 Answers   Polmon,

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what is the difference between scaler and vector drive

0 Answers   Jindal,

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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.

0 Answers  

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In case of Transmitter's(e.g.Ultrasonic Flow meter ) we have an normal practise of selction of upstream and downstream distance such as (20D and 5D ).can anyone please let me know whow to calculate "D" ?? i guess it refers to pipe thickness is t right ?

2 Answers  

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What is the working principle of Dozing valve used in cement industry?

1 Answers  

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whyvibration probe (bently nevada ) is set -10 volt for zero reference?

2 Answers  

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typical loop drawing of a simple feedback control comprising of one transmitter and one control

0 Answers  

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How many interlocks at turbine? Plz explain briefly

0 Answers   MRPL Mangalore Refinery and Petrochemicals Limited,

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Dear All can any one told me that VFD Make ABB Model ACS800-01 used for dual Source like 1.DC Source applied at terminal UDC+,UDC- 2. 3 phase 400AC,50Hz

1 Answers  

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What are different types of valves?

0 Answers  

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Please tell me details about Sox,Nox,SWAS analyser????

0 Answers   Essar,

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A differential pressure transmitter is configured to measure the height of an open tank : height 10m and dia 5m. Suppose this same transmitter is shifted to another open tank : height 10m and dia 4m. What will be the %error in measurement? how?

3 Answers   McCoy Engineering,

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