* Signal transmission in sky wave propagation is due to ? a) Reforction of wave b) Reflection of wave c) Pierus through Inosphere d) None and Reason for this is????

2 Answers  

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What do you mean by the zone of protection?

0 Answers  

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we can use airconditioner for cooling the winding of transformer ,if not why?

3 Answers  

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Wind mill

0 Answers   Suzlon,

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The knee point of a current transformer is normally unique and known.So why in the nameplate of a CT they put the minimum value like this Vk> 400v.

0 Answers  

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while doing high voltage test on 11kv/433 distribution transformer why we only give 28 kv on hv side and 3kv on lv side for power transformers what is the value what factors it depends

0 Answers   Enercon,

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1. what is exciting winding, rotor winding, startor winding. and how it works? in ac generator

3 Answers  

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In India,we use 230V,50HZ,where as many other countries use 110V,60HZ what r d advantages and disadvantages of each of them?

8 Answers   GVK,

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how to write program by ladder logic in case of PLC operation

3 Answers   Gridco, Sofcon,

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What is the Levels of High Voltage, Medium Voltage & Low Voltage?

1 Answers  

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pls give proper discription of selection of transformer based on particular load.

1 Answers  

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in a large three phase induction motors usually the value of full load slip is

1 Answers   PSEB,

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