Answer / palanisamy

In orifice plate the area is constant & Dp is variable.
Whereas in the Rotameter the DP is constant & the area is
variable.

Answer / asfaqh amir m

rotatmeter is maintaing constant differential pressure and
orifice plate does not like that it will differ.

Answer / yakin patel

Rotameter it self flowmeter and orifice is obstracle plate which is used for flow mesurement in dp type trnsmitter

what are the documentation and instrument identification system used to identify the correct device to be calibrated? name atleast three.

1 Answers  

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What is the expansion of RADAR? How it works?

7 Answers   RasGas,

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please tell me five types of fault of control valve and positioners?please

1 Answers  

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what happens if we are having very very high cavity and flashing in a control valve..??? is it stops working...immediately... or eroded...slowly

2 Answers  

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Hello Friends do you know this answer of this Question? Which color you would use when there is Somthing not correct or need to change In P&ID? i mean color that use for highlight that need to update in P&ID. Yellow Highlighter ? Red color ? Blue Color ? Appreciate for your answer. Thanks Blue Color

2 Answers  

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what is the process to make control schematic ?

0 Answers  

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what is purpose of three way manifold valve using for dp transmitter

1 Answers  

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what is different betwen Process zero and atm zero?

1 Answers  

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Explain about safety integrated level protection? . How it was differ from other protections ?

0 Answers  

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what is working principle of vibration prob

3 Answers  

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what do you mean by Loop checking ? What are the cold loop check and hot loop check? what are the difference between these two loops?

1 Answers  

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How we will check whether the proximity, which we have is either NPN or PNP, if no data sheet or manual or any details is available to us ???

1 Answers  

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