how many type conductivity sensor ?

0 Answers   Process Automation,

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how to convert digital signal to analog signal in plc

1 Answers   UltraTech,

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What is the relationship between GAIN and PROPORTIONAL BAND.

1 Answers   Kharafi National, Sabic,

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What are de-saturators?

0 Answers  

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A length of steel pipe is used to carry sea water to a desalination plant. An adequate corrosion allowance must be specified and indicated in the piping specification, which affects the _________________________ of the pipe

0 Answers  

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what is mean by loop checking?

8 Answers  

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Can any body tell me about SAP MAINTINANCE MODULE. WHAT IS its function and application. And study material Source about it. I shall be very thankful.

0 Answers  

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Explain any simple temperature control system.

3 Answers   HGJ, L&T,

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What is the PLC configuration in Cement industry?

0 Answers   IMCO, Maha Cement,

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how to wire from pressure transmitter to marshalling panel and panel to controller and controller to dcs plz give the answer with example .

2 Answers  

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In split range control, we will control 2 outputs with time interval. Eg :(with 4-20 ma signal, for 4-12 ma we are operating one control instrument like valve & for 12-20ma we are operating other control instrumet (other valve). If we get a signal of 15ma to first instrument (Valve 1), what will happened to the first valve, and if we get signal above 20 ma to 2 valve what will happened ?

3 Answers  

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In case of Transmitter's(e.g.Ultrasonic Flow meter ) we have an normal practise of selction of upstream and downstream distance such as (20D and 5D ).can anyone please let me know whow to calculate "D" ?? i guess it refers to pipe thickness is t right ?

2 Answers  

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