Answer / gautam

50hz

in valve is constructed as per SME B 16.34, then which standard is used for fire testing of valve?.

0 Answers  

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My friend has faced this question! I don't know clearly. So please anyone give me the correct and short answer to this question? What is variable frequency drive? Types, what is star to delta? Why this arrangement necessary?

5 Answers   Asian Paints, TCS,

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what is function of PLC, and how is it work , explain with difination

1 Answers   Bapco Bahrain Petroleum Company,

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why 4ma show higher zero ? i have transmiter flow renge 0-1000 m3/h but 4 ma show in monitoring 200 m3/h and 20 ma show 1000 m3/h i want when 4ma show 0 m3/h and 20ma 1000m3/h

3 Answers  

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We are used ABB 800xa 5.1.please tell me how to instrall this.

1 Answers   TCCL,

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How to calibrate DP transmitter by using HART communicator ?

1 Answers  

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How to Calibrate Radar Level Transmitter in Field

0 Answers  

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What is feed factor and its Importance in cement industry? How we can solve feed factor?.

0 Answers  

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why we require Differential pressure?Why we use Orifice Plate?

3 Answers  

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what is the procedure for auto tune in masoneialn 12300 series displacer type transmitter?

0 Answers  

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what is meaning of software redundency and hardware redundency?

2 Answers   Honeywell,

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1.what is controller proportional gain 2.what is the controller intergral action time. 3.A proportional plus derivative controller that has a proportional band of 20% and a derivative action time of 0.1 minutes. Construct the shape of the output waveform for the triangular input if the input rises and falls at the rate of 4 units per minute.

0 Answers  

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