In control valve , Failure position : Close If it is Fail close(FC) during failure of AIR.. what will be the initial/ normal position of control valve is it normally open or close? please some one explain soon..

2 Answers  

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how to calibrate bubbler type level transmitter of rosemount make and how to set air flow according to the range.. give one calibration procedure with one example

1 Answers  

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What is close loop ?

1 Answers   College School Exams Tests, GMR,

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What is the start up procedure of desalter

0 Answers   Reliance,

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why micro controller 8051/52's clock frequency is internally divide by 12 ?? and why it is further divide by 32 in UART serial communication ??

1 Answers  

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Explain ratio control system.

1 Answers  

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if the neutral and ground of ups voltege are connected together in the source itslef then why the voltege b/w neutral and ground comes positive in some other destination inspite of having earth pit. how can we mimmise this?

1 Answers   MPL,

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why the supply frequency used in America is 60Hz while that used in India is 50Hz?,

2 Answers   Bosch, Genco,

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What is differnece between leveltroll and interface leveltrol?

2 Answers  

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define COMPENSATION??

4 Answers   Bosch,

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what is pneumatic control system?

1 Answers   APL,

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What inherent design and operating principles are included in a modern control system to use predictive maintenance practices to increase overall system reliability?

0 Answers  

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