Answer / dd

STK20C04

How to consider the flow directions for control valve (Globe) Is the there any easy understanding in order to select the flow directions?

3 Answers  

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Which standard of hazardous area classification used in India?

1 Answers   Orchid,

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i have 20 kw motor & my vfd drive capcity is 18 kw if possible to use 20kw motor on this vfd?

4 Answers  

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How to do calibration of magnetic flowmeter

1 Answers   Kharafi National,

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Can i convert 230v ac to 24v dc by using a relay?Instead of Smps is it possible? What is relay logic in plc ?? How it works?

2 Answers   Infotech,

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what is Mv with respect to temprature in thermocouple

2 Answers  

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what are the basic instructions used in simatic s7-300 plc?

5 Answers   Dr Reddys, HZL, Siemens,

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what is the PID controller?

1 Answers  

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What is the difference between HMI and SCADA?

2 Answers  

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Air pressure in a pressure vessel can rise or fall at up to 2.5kpa/s.The pressure is sampled every 0.5 seconds.If range of the the pressure indication is 0 to 1500 kPa, what is the max value of the error due to sampling in % of Span

2 Answers  

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when the operation engineer told you that he gives the control valve order to open but there is no response ! what will you do ? and if you found that there is astuck , what will you do ? (note : it is apanumatic valve )

5 Answers  

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How oil line flow measured?eplain about instruments used and working principle?

0 Answers  

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