why we should maintain neutral earth voltage below 1V while calibration? why cant it be 1.2V or 2V

0 Answers   Hospira,

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why we use -ve voltage in vibration monitoring system.generally we use 4 to 20 mA as output of instrument then why we use voltage in vibration

2 Answers  

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cheapest instru-- PMMC, EDM, rectifier, thermocouple.

3 Answers   ONGC,

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What is the diffirence between Earth and Neutral and What is the required normal voltage between earth and neutral

6 Answers  

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what is the difference between two wire transmitter and 4- wire transmitter

3 Answers  

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what is the advantage of submersible level transmitter compare to ultrasonic level transmitter?

0 Answers  

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what is dry leg and what is wet leg?

3 Answers  

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What is Alpha & Beta fctors related to Orifice Plate & its relation with flow?

0 Answers  

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What is the PLC Level & type.

2 Answers   Bhushan Power Steel,

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what is plc?

27 Answers   HPCL, KRL, Noor Company, Petrochemicals, SS Automation,

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can any one help me to get bel probational engineers sample question papers. I have applied for it.

0 Answers  

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what is the thermocuple compensation circuit

3 Answers  

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