Why boiler chimney area  oxyden sensor fixing? 

0 Answers   NTPC,

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what is temperature compensation?

1 Answers  

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WHAT ARE MAIN DIFFERENCE BETWEEN DCS AND SCADA?

7 Answers   ABB, Gold Fields, Rand Water,

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What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.

0 Answers   ADMA OPCO,

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Describe the concept of Gain Scheduling, as currently found as an option in some controllers.

1 Answers  

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Controller not working in auto mode?...what are the problem can occur...Pls explain

1 Answers   Aramco,

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what is wave length were using ?

0 Answers  

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Which type of diagphram use in costic line,DM water line,natural gas line,oil line?

0 Answers   Hindustan Zinc,

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What is duty of as-built engineer.

2 Answers   Sofcon,

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Sir,I am going to sit for IOCL written test exam. recently.Can anyone tell me the name of 'Objective type Question Book on Instrumentation Engineering ' which will help me. Pl. mail to bidyut_71@rediffmail.com / bidyut.saha2008@indiatimes.com / bidyut.saha09@yahoo.in

0 Answers  

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Pls.could any one Clarify the following with an example. 1.At What condition Close on Rise and Close on Fall Pressure Switch contacts are used. 2.If Pressure is abnormal as per set pressure,if connecting Terminal of pressure switch breaks,how the voltage extends to Relay base. 3.Are these contacts come under fail safe philasaphy.

1 Answers  

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What is a snubber circuit?

2 Answers  

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