Answer / n bala krishna

IF THE TANK LEVEL IS 0-100%, BUT IF YOU WANT TO MAINTAIN
30% AS THE MINIMUM LEVEL OF THE TANK. AFTER FILLING THE
TANK WITH 30% SOLUTION, I WILL PRESS ZERO TRIM. AFTER
PRESSING ZERO TRIM THE TANK WILL SHOW 30% LEVEL AS 0% IN
DCS.

Answer / mithilesh kr

any transmitter,control valve etc.
are follows 0-100% range.
0% called zero and 100% called span.
for setting of 0-100% of any trim
is required

for oil & gas industries which zone is normally preferred? why? give its example?

0 Answers  

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what is the procedure to callibrate temp controller ,pressure controller,etc. suppose a temp controller showing error 1.5 degree centigrate how can i minimize it.

0 Answers   Sabic, Saudi Aramco Shell Refinery Company SASREF,

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how we calculate the range of flow from a dp?i mean if we have a dp,3810mm h2o.how much flow ranges we can use for this DP?

1 Answers  

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What is full form of hart communicator?

2 Answers   KOC, UPL,

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How much flow is passing through 6 inch line? There are no gauge, no any transmitters in line.

3 Answers  

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list of flame proof certification ?

1 Answers   TATA,

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Why we are using PLC instand of DCS in ESD System? can u explain any one?

2 Answers  

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how to commission furnace ( water heater)

0 Answers   Petrofac,

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How to carry out hot loop checking of closed loop pf temperature control valve & temperature transmitter?

2 Answers  

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What is possitive and negative feedback?

3 Answers   KNPC,

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What's the Installtion procedure of DP Transmitter for Gas,steam and water?

2 Answers  

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What is compensation for flow ? Why we use compensation ? What are the factors of different compensation ? We not use then what problems may happen ?

0 Answers  

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