Please anyone answer my question, what is the difference between single acting and double acting control valve, in what condition we better choose single acting rather than double acting

2 Answers  

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why we use negative 24vdc to a proximeter

4 Answers   KNPC,

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1.what is controller proportional gain 2.what is the controller intergral action time. 3.A proportional plus derivative controller that has a proportional band of 20% and a derivative action time of 0.1 minutes. Construct the shape of the output waveform for the triangular input if the input rises and falls at the rate of 4 units per minute.

0 Answers  

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How do you identify between actual alarm and false alarm in a Temperature Transmitter in SCADA based Control System

0 Answers  

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Dear All can any one told me that VFD Make ABB Model ACS800-01 used for dual Source like 1.DC Source applied at terminal UDC+,UDC- 2. 3 phase 400AC,50Hz

1 Answers  

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if found error in magnetic flow meter?how can we adjust?

2 Answers   ANI Instruments, Techint,

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what is 24vdc live and dry supply

0 Answers  

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OBJECTIVE TYPE QUESTIONS OF ANALYTICAL INSTRUMENTATION

0 Answers   Fauji Fertilizer, GSECL, NFL, Power Plant,

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how flame detectors sense the flame.

3 Answers  

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what is the well head protection system?

1 Answers  

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tell me the temp range of rtd?

8 Answers  

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define COMPENSATION??

4 Answers   Bosch,

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