Answer / nikunj

Cryogenic means to work in lower temperature range (-50 and
below than that).

Nikunj

Answer / afsar mumtaz

very low temperature like liquid nitrogen and liquid helium
:-156 to -2560 degree.

sir, give me placement papers and interview quistion of birla group company of copper.

0 Answers   Birla,

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I want to measure and control level in tank of size 10*5 filled with gasoline, so plz give me the solution with clear details. how to select transmitter and sensors.

0 Answers  

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An electronic p controller has an input range of 1-5v, and output range of 4-20mA, while testing a step change of 0.4 was applied at the input , the PB setting was 50% ,what should be the change in the output ?

1 Answers   Reliance,

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

6 Answers  

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I was working on calibrating turbidity transmitters endress+hauser at effluent polishing plant.We calibrated using NTU buffers.What happened is that when we immersed the sensor, everytime we raise and lower the sensor gradually, the reading will vary.my question is that is there any specifications on what is the required distance from the bottom of the container with buffer to the face of the sensor?Is it ok to install the sensor in a medium which has turbulence specially if bubbles are present?

0 Answers  

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I HAVE PRESSURE TRANSMITTER WITH TWO WIRES 24 VOLTS SUPPLY.IF TRANSMITTER WILL GIVE SIGNAL TO THE DCS WHAT HAPPEN TO THE 24 VOLTS POWER SUPPLY IT WILL DROP OR REMAIN TO 24 VOLTS POWER SUPPLY.

3 Answers  

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what is the difference between sinking and sourcing inputs and also what are there applications?

2 Answers  

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Explain how thw analog to digital converter works with the circuit diagram

0 Answers  

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What is the function of SMPS

2 Answers  

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What are the advantages and benefits of using PLCs to automate a section of a plant?

2 Answers  

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what is Analog input/output & Digital input/output,

2 Answers   Bapco Bahrain Petroleum Company,

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In 2 wire transmitter 1 wire is used for power and other is used for signal( 4-20)ma In 4 wire transmitter 2 wires are used for power and 2 wires are used for signal (4-20)ma . but my question is "what is the criteria or parameters we have to consider while selecting these transmitters for eg( distance, safety zones etc.

1 Answers  

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