Answer / mahipal

A electrical motorize valve is a valve that use an electric motor to open or close its mechanism. Commonly used type are gate, ball and butterfly,

how we calculate the range of flow from a dp?i mean if we have a dp,3810mm h2o.how much flow ranges we can use for this DP?

1 Answers  

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how to calculate the temp. of RTD&Thermocouple when we got some mV r Ohms?if anybody has d chart pls mail the chatrs to me...

1 Answers  

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thru which signal does µP communicate with memory

3 Answers  

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What is the SCAN time of a DCS/PLC? What is the typical value for scan time of DCS and PLC?

6 Answers   Essar, Gasco, Siemens,

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what is dead weight tester and where it is used?.

11 Answers   DuPont, Jain steels,

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how u measure dp in dp tx? how u calibrate a dp tx?

3 Answers   Invensys,

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cascade controller is feed back or feed forward or both

4 Answers  

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when placing a vent or drain hole on an orifice plate should you measure from the center of the bore up or down for the vent placement?

0 Answers  

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why we use cascade control and feed foreword control in 3 element control of boiler drum ?what is feed forward and cascade control system ?

0 Answers   Visa Steel,

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In dcs contol valve parameters showing like this Gain=1 or 2 , ti=7 sec, td=20sec. But temp,pressure,level control valves we are using in which type parameter side using ti,td clearly tell me

1 Answers  

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what is mapping in instrumentation and control engineering

2 Answers  

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what does it mean an active front end in vfd plz explain it briefly

0 Answers  

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