diff between neutral ,ground,phase , earthing and shielding?

0 Answers   L&T,

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what is Potential free contact? where it is used?

3 Answers   Engineers India Limited,

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What should be the stanchan Height for installation of Smoke detector & toxic gas detector in field,according to qatar standard

2 Answers  

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what is the difference between impact plate n coriolis type solid flow meters n how they works....n which one is better

1 Answers  

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suppose in dcs range of a flow transmitter is 10t/hr what is dp for 50% in 2500mmwc

6 Answers   Chevron,

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hi friends,im an instrumentation and contol engg student,can u hlp me of suggsting barc written question paper,my id is roysuvaranjan@gmail.com, cel no.9563591747

0 Answers   BARC,

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Name four general (not technical) criteria that would you consider important, when deciding upon a particular control valve?

1 Answers  

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Why even multiple power supplu r used in instrumentation system?

1 Answers   Honeywell,

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I HAVE PRESSURE TRANSMITTER WITH TWO WIRES 24 VOLTS SUPPLY.IF TRANSMITTER WILL GIVE SIGNAL TO THE DCS WHAT HAPPEN TO THE 24 VOLTS POWER SUPPLY IT WILL DROP OR REMAIN TO 24 VOLTS POWER SUPPLY.

3 Answers  

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what is cavitation in control valve? & how we can avoid it?

1 Answers   Forbes Marshall, Reliance,

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In oil & gas industries and petrochemical industries, there are classification of zones like zone 0, zone 1, zone 2. Is there any differences in voltages or power supply supplied for the process instruments, control instruments depending on the zones

1 Answers  

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how to define range of dp level xmeter in open tank

1 Answers  

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