What is the definition of direct acting valve & reverse acting valve

2 Answers  

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can any one explain in which term we are flow flow is it volumetric r is it mass? and y

0 Answers  

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what is written on orifice plate?

4 Answers  

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hi friends,can u send me the link for downloading Allen_bradley_RsLogix_500_Pro_V_7.0 software with activation file.or how can i find activation file for this.

2 Answers  

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Explain the working principle of variable frequency drive?

0 Answers   ABB,

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what do you know about Foundation Fieldbus?

1 Answers   CCIE,

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draw the characteristics of chebyshev filter

0 Answers  

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which one is best profibus or RS485 for communication?

2 Answers   Honeywell,

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how can i calibrate the temperatuture gauge used by temperature bath(dry block) i mean step by step procedure?

0 Answers   Texas,

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how to tune the closed pid loop?

3 Answers  

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what is bevel? why bevel required in orifice plate?

2 Answers  

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PLZ explain to me massflow

4 Answers  

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