Answer / k.prakashchandra

The output of earth tester is AC

Answer / karthik

DC Motor, DC Lamp, etc.,

1) What is difference b/w impedence relay and differential relay? 2) what are substations equipments? 3) what is difference b/w circuit breaker and isolator? 4)what are the types of circuit breakers? 5) which medium is mostlty used in circuit breakers and why it is used?

1 Answers   NTDC,

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Can anybody tell the formula to calculate temparature rise in the cable with respect to current?

1 Answers  

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by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.

0 Answers   HP,

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What is required of exietation to the alternater.

4 Answers  

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What is the HVDC Transmission System? What are the conditions applicable to lay an HVDC Line?

0 Answers  

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It is being often experienced that due to single phasing fault of any source transmission line of any closed loop synchronized circuit all the power transformers with primary stared trips but the power transformer with primary delta wont, why ?

1 Answers   MSEB,

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How to calculate the heat load for a electrical room

0 Answers  

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If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!!

0 Answers  

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What is the difference between Off line UPS and Line interruptible UPS?

1 Answers   Etisalat,

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what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded

0 Answers   NTPC,

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what is neutral grounding? why is it required? what is neutral grounding resistor and how is its value calculated??

11 Answers   NTPC, ONGC,

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HAI SENT HPCL APTITUDE QUESTION PAPER, MY EMAIL ID IS angus_eee04@rediffmail.com,angus_eee04@yahoo.com

0 Answers  

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