Explain any simple temperature control system.

3 Answers   HGJ, L&T,

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Level in tank under vacuum (Ex: Condensate Tank of Power Plant)is measured using D. P. type level transmitter. Tank is subjected to vacuum of 755mmHg. Is it possible to fill wet leg ( i.e. leg connected to top of vessel with low point of D. P. xmtr) with water?. Are there chances of water getting sucked under vacuum? if yes, what is the solution?

3 Answers  

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while am calibrating Drager polytron 2IR flame gas detector occured non zero status.how can i get zero status?

0 Answers   Gasco,

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how to calibrate steam control valve in steam turbine

0 Answers  

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TRANSDUSER MOSTLY CONVERT WHICH ENERGY INTO ENERGY ?

6 Answers   DVC,

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3element

2 Answers  

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What is the difference between dry contact and wet contact?

2 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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what is plc? Basic function of plc? application of plc in industry? What is lader diagram ? What is the main advantage to use plc in industry?

15 Answers   Schlumberger,

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What is the difference between PLC and DDC?

0 Answers   Emami,

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why 4-20 mA signal is preferred over a 0-10V signal

17 Answers   Sofcon,

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How many input(Analog and digital) and outputs(Analog and digital) are there in DELTA v DCS Version 7.0?

2 Answers  

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