Answer / hassan abbas

A programmable logic controller (PLC) or programmable controller is an industrial digital computer which has been ruggedized and adapted for the control of manufacturing processes, such as assembly lines, or robotic devices, or any activity that requires high reliability control and ease of programming and process fault diagnosis.

What is the reverse action and direct action

2 Answers   Samsung,

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what is an ambient temperature?

5 Answers   Reliance,

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what is "smart" in smart transmitter ?

4 Answers  

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What is minimum distance between three thermocouples (2oo3) mounted on same pipe line (20")? Technically accepted by stright line mounted or circler mounted?

1 Answers  

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wHAT IS BURST MODE IN TRANSMITTER?

1 Answers   Bhel,

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what's meanning of 1250KVA and how to calculate with Volttage and Current. answer give with example.

3 Answers  

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there are two candidates p and q in an election.During the campaign,40% of the voters promised to vote for P ,and rest for Q.however, on the day of election 15% of the voter went back on their promise to vote for P and instead voted for Q. 25% of the voters went back on their promise to vote for Q and instead voted for P.suppose,P lost by two votes,then what was the total no. of voters.

1 Answers   GATE,

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yokogawa Temperature transmitter showing Error 15 which is Reverse Cal Fail (confirmation calculation result is bad) in manual they mentioned reasion That the output goes to the value set by hardware failure mode jumper. How can solve this problem ? anybody can say solution

1 Answers   GTL,

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if differential pressure created by orifice falls below vapour pressure of liquid flowing through it what will happen

1 Answers   BARC,

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Why Flow measurement has to use Square Root

5 Answers   Hindalco, Petronas,

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How will you calibrate PID controller? explain with example.

0 Answers   Jacobs, Sirte Oil Company,

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Dear friends, I have a question: We work on a project which has some boilers to provide steam for desalination unit. The boiler area is safe and the only hazard source is the fuel lines of boilers. I want to know according to NFPA standard which type of instrument should be selected on the fuel line: Eex Type or Non-Eex type? Thanks in advance

2 Answers  

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