Answer / amrut patil

Kindly send me Question & answer for instrumentation

what do u mean by compensating?in power plant where are compensating done?how level , flow compensated?

1 Answers   TATA,

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What is a snubber circuit?

2 Answers  

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Related to control system, What is difference between 4-20 mA active & 4-20 mA pasive signal.

1 Answers  

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in sulfur process what is material of impulse line we use to connect with transmitter ? and does teflon affected by sulfur?

0 Answers  

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how far the two wire transmission (loop power) maximum distance suitable?

2 Answers   PCIL,

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on interface level transmitter model(RTG3302-EMERSON) What is threshold valve how can we select correct threshold value T1,T2,T3,T4 When interface water & hydro carbon

0 Answers  

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Level in tank under vacuum (Ex: Condensate Tank of Power Plant)is measured using D. P. type level transmitter. Tank is subjected to vacuum of 755mmHg. Is it possible to fill wet leg ( i.e. leg connected to top of vessel with low point of D. P. xmtr) with water?. Are there chances of water getting sucked under vacuum? if yes, what is the solution?

3 Answers  

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what is span adjusment of transmitter? what is the function of positioner/

2 Answers   Kent,

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how the flow rate is measured from a pipe with the help of pressure?

1 Answers  

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what is difference between call out and call log

0 Answers   Petro Rabigh,

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Explain " FAIL SAFE " feature in temp. measurement.

1 Answers   Bapco Bahrain Petroleum Company,

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why ultra sonic level transmitter is installed in 90 degree?

2 Answers   ME,

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