WHAT ARE MAIN DIFFERENCE BETWEEN DCS AND SCADA?

7 Answers   ABB, Gold Fields, Rand Water,

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what is air to open and air to close control valve and difference btwn this...and how to measure milli amp by this...and what is the role of positioner and i/p converter in this..plz help me

2 Answers   HCL, SOC,

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What is the definition of direct acting valve & reverse acting valve

2 Answers  

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what is the vital subject for scoring bhel exam&what is the question pattern

0 Answers   Bhel,

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draw the block diagram of a level transmitter ?

0 Answers   Hira Group, Samsung,

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Coal mill Instruments Equipments for cement plant And process diagram ?

0 Answers  

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loop chech tools list

1 Answers   BAP,

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How we are blocking 40 kg or more pressure through only 6 kg instrument air in control valve 

3 Answers  

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1)how can calibrate temperature transmitter? 2)how can calibrate flow transmitter? 3)how can calibrate level transmitter?

3 Answers   ccic, Emerson, JK Pharma, NIGC, Rockwell, UltraTech,

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what is absolute pressure, gauge pressure and atmospheric pressure?

2 Answers   Mother Dairy,

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What is the working principle of sox, nox analyzer?(opacity monitor) Otherwise how to measure the sox,nox?

1 Answers   Thermax,

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differentiate different units of pressure like US & UK standards

1 Answers  

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