Answer / ahmed allam

if you mean protection of for example power plant
so the most important parameter is scan time of
the controller must be very fast so action be very fast

For an Instrumentation Engineer, is there any effect on Instruments of safety zones like zone0, zone1, zone2. As an instrumentation Engineer, what we have to consider or remember while working in these areas.( zones 0,1,2).

1 Answers  

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which type of filter gives the constant phase characteristics?

0 Answers  

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For 150 mtr cable run from DCS panel to transmitter (24 VDC with 4-20 ma output), need cable size. 1.5 sqmm is suitable?

2 Answers   NA,

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what step is taken for ESD ( emergency shut down) in DCS REPLY to hashimka20009@gmail.com

0 Answers   Bosch, Eskom, Sabic,

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What is the detail function of I/O card in DCS ? Why we dont use the I/O directly with controller?

3 Answers   Kekran Mekran, TCE,

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What is i/e or o/p transmitter(ma/v)?

1 Answers   Emco,

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if change the pid in D value so what action.

2 Answers   Siemens,

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what is the difference between cold loop and hot loop

2 Answers  

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Is there a particular problem if two proposals from the same observatory (originating with different partners) are submitted?

1 Answers  

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Lux meter is the measuring device to measure the lux level of lighting fixture. in industrial sector two types of lighting fixture is being used as street lighting purpose 1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white light which is an combination of red, blue and yellow colour, while HPSV haivng Yellow lighting. in HPSV red & blue colour will be absent. during measurement of the lux level of HPSV and HPMV fixture. 1. Lux meter can measure the actual lux level of both fixture? 2. or it will show false reading for HPSV fixture light as it has only yellow light present. please give me answer

0 Answers   Ace Info,

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PLEASE PROVIDE SAMPLES OF CHEVRON SKILL TESTS

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Name different parts of a pressure gauge.

0 Answers  

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