Can u tell me the principle of the tc,rtd,level switch,pressure switch ,transmitter(pr flow level temp.),vibration...plz

0 Answers   Adani, SRF,

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what is the procedure of O2 analyser calibration?

3 Answers   Thermax,

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The wire is disconnected from the temperature sending unit (magnetic gauge). A voltmeter connected to the wire reads 0v. What does this indicate?

2 Answers  

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why we us isolation barrier in hazardous area how it works to protect the area and please clarify its current flow.

0 Answers  

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micromotion flow meter used for

3 Answers   Reliance,

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steam drum level transmitter calibration procedure? with example?

1 Answers  

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What is the definition of direct acting valve & reverse acting valve

2 Answers  

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hiii.... can any one provide me previous years question paper of hindustan petroleum for instrumentation engineering???

0 Answers  

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if conical type tank in top LEFT side solid material coming but LT MOUNTED IN TOP OF LEFT SIDE, how to measure ultrasonic level transmitter ?

1 Answers   Cairn,

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explain Cascade Control strategy with the help of a block diagram. also exlain its working in a distillation column

2 Answers   ABB, Sabic,

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generally transmitter power supply having some range(12v to 35v) but the out put(4-20 mA) must same for given input.If we vary the power supply voltage then output mA also to be change according to V=IR. Is there any voltage regulator in the transmitter ?

1 Answers   Indian Steel,

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What is open loop and close loop?

4 Answers   L&T, Pearl Distillery,

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