What are the maintenances of SCADA ?

0 Answers   ISB,

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How to increase the gain and directivity of an antenna?

0 Answers  

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What do you mean by the term "open" in OSI model?

6 Answers  

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What is faithful amplification?

0 Answers  

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Is it possible to isolate a drive by installing a offline ups and also drive should be protected during normal power supply availability and is the use of isolation transformer necessary.

0 Answers   APC,

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Explain how the active power factor correction changes the wave shape of current drawn by a load to improve the power factor?

0 Answers  

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Define what is a step-recovery diode and why is it so called ?

0 Answers  

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structure of optical fibre

2 Answers   Nokia,

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optical fiber losses.

11 Answers   ONGC, RRB, Tata Communications, Telecommunications,

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what is digital commuincation techniques

2 Answers  

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Guroscope works on the basis of what?

0 Answers  

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Igbt is a voltage controlled device. Why?

0 Answers  

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