Answer / sushant

1st ac/ dc motor n type of motor acc. to requirement like
induction motor. for ac if 3 phase or 1-phase

then kw rating, pf and speed(rpm).

Answer / nithi

The question would be more beautiful,if you specified the
application (where it is needed, what type of
load,environmental conditions,requirements....etc..).

WHERE CAN I GET THE PREVIOUS QUESTION PAPERS OF Govt Polytechnic in deee 2nd year papers

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what is frequency response?

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During the testing of Electrical Equipment the test cables should not touch the equipments. For that testing engineers use to cotton rope to hang the cable from measuring Equipment to testing equipment terminal. Please explain the technical reason for this practice.

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How to calculate load requirement of a 50 flat apartment with 5 kw each unit,sizing of cable,transformer

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how to measure dc earth leakage current?

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As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.

0 Answers   cpgn,

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How to increase the specific gravity of DG batteries?

12 Answers   SCS,

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what is the function of AVR in generator? how the generator maintain the frequency while varies the load?

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What is main purpose of chock coil and starter in florescent tube ?

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What is the maximum load of 240mmsequre single core cable can carry?

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374kvar capacitor bank connected across 600kw,6.6kv motor.what will happen if motor run at 50% , whether full kvar applied or half?

1 Answers   NTPC,

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A 150KW 440V motor is need to replace in the field instead of faulty one. what are the main parameter should I need to check?

1 Answers  

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