CONTROL VALVE OPERATING IN MANUAL BUT NOT IN MANUAL. WHAT SHOULD BE THE PROBLEM ?

0 Answers   GSC,

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what is rtd

4 Answers   Petrofac,

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1)unmovable objects have frequency or not?if that object have frequency,how do we measure and transmit? 2)how do u measure the continuity without multimeter? 3)we put 24volt dc supply in railway track how many distance it is traveled without voltage drop?

1 Answers  

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why flow transmitter showing 2.2ma?

2 Answers  

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What is paid how it works

0 Answers   KOC,

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1.what is beta in control valves? 2.what is the condition followed by light in LASERs? 3.1kg/cm2=?psi 4.Integral action reduces what? 5.about vena contracta 6.a simple RC circuit 7.thermistor material's temp coefficient of resistance 8.if wave passes through the thicker area of a chord to a thinner area what changes will occur to wavelength? 9.if 4-20 mA represents 0-10 kg/cm2 what will be the current when pressure is 5 kg/cm2.................

0 Answers   Lurgi,

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Can a Differential Pressure Transmitter be used as a normal pressure transmitter??

3 Answers  

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what is difference between total flow and flow rate in general ?? explain it with daily life example.

3 Answers   GNFC,

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where cn i find the previous years question paper for psu exam???????//

0 Answers  

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HOW WE ARE DECIDING WHILE PROGRAMMING IN PID CONTROLLER THAT WE ARE USING HEATING OR COOLING???????

1 Answers   Eskom,

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Why hunting will occour in control valve?

6 Answers  

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why 4 to 20 ma? why cant some other range?

3 Answers  

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