what r all the closed loop used in boiler? for this related tell some web address..

3 Answers  

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In s7-200 we use HMI TD-200C , what that C stands for........ plz reply

2 Answers  

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In 16' pipeline one pcv is installed which is controlled by PT installed at inlet of PCV.If Flowrate in pipeline increases what will happen to pressure at the inlet of pcv.

5 Answers   Essar, vssc,

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what is the difference between Feedback controller and Feed forward controller. and when it is to be used.

3 Answers  

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what barrier is used in process industry.

3 Answers   ADMA OPCO, Process Industries,

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What is the use of the shield wire and how is the connection at both the ends of a shield wire?

2 Answers   Samsung,

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I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

0 Answers  

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in the boiler in the main steam line and its bypass line and the startup vent vales are only motorised valves why cant we use other types of valves such as pneumatic.

3 Answers  

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hi... i'm about to learn siemens plc i came across following question in my mind ... plr ans 1. hw motor operated by plc 2. hw drive operated by plc explain dis by both ladder logic diagram and hardware config , connection

2 Answers   KCP Cements,

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where are following valves are applicable to install. can any valve be installed any line. globe valve butterfly valve boll valve gate valve

0 Answers  

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What is the basic difference between Modbus and CAN Open Protocols

0 Answers  

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what is basic working principle of Governer in power plant?

3 Answers  

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