BSNL TTA EXAM QUESTION

0 Answers   BSNL,

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Testing procedure of DG alternator stability test

0 Answers   Amprotec,

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HOW TO TEST THE SODIUM VAPOR AND MERCURY VAPOR LAMP ?

1 Answers  

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how to differentiate a mpcb,mcb with a contactor? Explain their working operation

0 Answers   L&T,

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A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

0 Answers  

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Is the force acting between two parallel conductors of infinte length carrying AC of frequency 50Hz remians constant with respect of time? If not then what would be the frequency of the force acting?

1 Answers  

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State angle criterion.

0 Answers  

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what is electrostatic presipitator in thermal power plant,and why it is used?

2 Answers   ACC,

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What are conduct on the testing in cf in ur site?

0 Answers  

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Give two basic speed control scheme of dc shunt motor?

0 Answers  

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Define damping ratio.

0 Answers  

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What is the purpose of reactor.why we used in over head line?

2 Answers  

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