Answer / sonam

Valve Reversibility means if the valve is manufactured as
Air To Open,for example,it can be converted into an Air To
Close Valve i.e. its action can be reversed.Such a need
arises when an ATO Valve is manufactured but as per process
requirements it should be ATC.

Answer / hamid (pdoc) inst tech

because the reverse valve it used for safty .in fail safe
condition it( NO) for safty perpose it use foe vent line

7. What are tri-state devices and why they are essential in a bus oriented system

1 Answers  

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define COMPENSATION??

4 Answers   Bosch,

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any body pl suggest me the best type of transmitter for level monitoring of a distillation still which consists of highly corrosive and inflammable liquid.closed vessel height=5000mm especially in petrochemical industries

1 Answers  

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What s the exact height of installed transmitter?

1 Answers  

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what is mean by hot loop and cold loop testing, whts different between both

2 Answers   Honeywell, PDO,

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What is the difference between Analytical instruments and other instruments?

7 Answers   Schenck,

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With N nodes and B branches what will have a network ???

0 Answers   BSNL,

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thru which signal does µP communicate with memory

3 Answers  

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I need the intools training institute address in india. Intools subject oriented local authors books.Refer me plz

3 Answers  

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difference between plc and dcs?

3 Answers   Honeywell,

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What is the difference between ROM & RAM .

1 Answers   Sabic, SPIC,

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Meaning of the following a. IOP- Manimum; b. IOP- Maximu,;

0 Answers  

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