Answer / srinu

automatic rescue device,,it is works with battery ,save the peoples in emargency

what is the reason of battery voltage is 12v maintain?please answer me.mail-psrinivasan20@yahoo.com

1 Answers   CTS,

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what are the stresses in circuit breakers ?

0 Answers  

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what is interfacing in computer studies?

0 Answers  

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sir i am fresher.can you please tell me how can i get certificate of competency as electrical supervisor.

1 Answers   ONGC,

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A 3 phase motor operating off 415V system is developing 20Kw at an efficiency of 0.77 and power factor of 0.73. determine:- a)the line current. b)the phase current if winding are delta connected. c)the phase voltage if winding are star connected.

1 Answers  

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what you mean swtchgear(electrical)

1 Answers  

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How to calculate the input cable rating for 10kva ups (3phase input and single phase output and also 3phase output, battery rating 65Ah)provide the formula also.thnx

0 Answers   Bhel,

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How to calculate the lighting load & power load requirement by knowing area of building/room. Is there any thumb rule?

3 Answers  

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when an induction motor runs on load.at that time if we reduce the supply voltage the current increases.But when it runs without load,if we reduce the supply voltage the current also reduced.why?.i checked it practically also.

1 Answers   Birla,

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why the rotor is outside in case of ceiling fan?

1 Answers   HCL,

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What is the rating of your substation and what are the different types of substations?

5 Answers   Bhel, NTPC, UPPCL,

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what is the formula for AH?HOW CAN IT CALCULATE

1 Answers  

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