Answer / vikash suthar

yes it is possible. I am taliking about the controller and
cards power supply modules.They are always redundunts and
connected through diode so that if one power supply fails
the other can take the charge immediately.so it is possible
to replace one of them in running plant if the other one is
healthy.

why we set -10 volt in vibration sensor output,why not +10 volt

3 Answers   GE, Honeywell, LLM,

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Can any one tell me what type of question asked for instrumentation and control interview panel??? pls mail ramashankar.goel@gmail.com

0 Answers  

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what is mean of 3 by 2 automation ?

5 Answers  

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If any control valve create hunting problem, what is the possible reason and solution?

6 Answers  

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What is surge and how is it prevented.

1 Answers   ADMA OPCO,

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what happen if i install my pressure transmitter below the elevation of pipe in natural gas service. Also support your answer

3 Answers   C2C,

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i saw in my company drawing seat cable size as mensioned like this 12p*15 sqmm,12t*1.5sqmm, 9c*1.5sqmm. now what my que is what is mean by p , t , c.

3 Answers  

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why we are using -24 vdc in plc?

1 Answers   CGL,

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what is the approximate cost of U tube manometer having range 1000mmwc to 1000mmwc?

1 Answers  

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centrifugal compressor interlock? Tell me the parameter at which compressor will trip

0 Answers   Cairn,

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Absolute pressure is 700psi,what will be the gauge pressure?

1 Answers   IFFCO,

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A pressure transmitter with a range of 0-100 bar.The accuracy of the instrument is 1% of upper range value? The pressure indicating transmitter is showing the system pressure is 50 bar. b. When you include the error, what is the minimum possible pressure in our fuel gas system? i. 49.5 bar ii. 49 bar iii. 1 bar iv. 0.5 bar We want to change the filter cartridge. We must depressure the fuel gas system. c. After we depressure the system in preparation for maintenance, the transmitter displays a pressure of +0.1 bar. At this time, what is the possible range of pressures in our fuel system? i. +0.099 to +0.101 bar ii. 0 to +0.2 bar iii. -0.1 to +0.3 bar iv. -0.9 to +1.1 bar

3 Answers  

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