in the boiler in the main steam line and its bypass line and the startup vent vales are only motorised valves why cant we use other types of valves such as pneumatic.

3 Answers  

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tell me about Woodward505 Function as a point of Instrument Engineer.

4 Answers  

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the basic of a DP flow transmitter are the following

1 Answers  

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we want to control pump in let pressure and tank (for exp) our inlet line if water cam and pump will on and when our tank will full pump will off also if our inlet pressure low pump will off even tank not full.this pump i want to uses on our water supply line.

0 Answers  

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what is difference between PLC and DCS?

10 Answers  

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What is differnece between leveltroll and interface leveltrol?

2 Answers  

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I am having a Phoenix digital to modbus converter. The o/p of the same is connected to flow computer FB407. But the digital signals are updated only after one minute in the flow computer. what may be the cause of delay in communication? Flow computer is having a scanning period of less than 1 sec.

0 Answers  

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How I identify to solonied coil which is 24v or 230v In our lab.because there is no tag.

1 Answers   MRPL Mangalore Refinery and Petrochemicals Limited,

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why do we use 4-20mA as o/p and why don't use 0-20mA or 5- 21mA?

3 Answers  

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I heard that we can use flow transmitter for level measurment also hw it is?

2 Answers  

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Where we r using split range and ratio controller?

1 Answers   EID Parry,

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what deference between panel earth and systemearth

0 Answers   Tecnimont,

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