Answer / muhammad ali

Datum line or point is a reference point for level
measurement.

Answer / ravi

Which point is we can take a refrance point for hight of
level .
Means our level is XXX mm from Datum line .
The bottum of measerd level tank is Datum line

Answer / elsayem

datum point is the rerence point when we measure level

Answer / imran

It is the refference point of any vessel from where zero
level start above bottom of vessel.For level measurement it
is zero level and head pressure is measured at this point.

What is super thermocoupal?

0 Answers   Emco,

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what is difference between positioner and position transmitter in control valve

2 Answers  

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what is compensation in engineering and what is temperature compensation?

1 Answers   Binani, Yokogawa,

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when the force applied on load cell the ohms will be varriying .and how its convert ohms to mv generate and have any formulae?

1 Answers   UETCL Uganda Electricity Transmission Company Limited,

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Exapain Deatails of the PID controlller

4 Answers  

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what is the conversion factor for nm3 to kg/hr in air flow

4 Answers  

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Explain plc level and its type?

0 Answers  

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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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If hart communicator provide 4-20ma source to any transmitter during the callibration?

3 Answers   Hyundai,

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In a ball valve which require 24v dc supply to operate, whose solenoid valve doesn't have any + or - indication, how can we make wiring connectionto solenoid valve?

1 Answers   Process Control Technologies,

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deference between DCS and PLC including date processing and architacture.

11 Answers   Jindal, Shell,

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List three types Level Switches with their working principles

0 Answers  

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