Answer / niloy ghosh

Because supply voltage is 110V DC which is supplied from locomotive main power supply.

What is the most important precaution in any experiment with d.c. Shunt motor?

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High speed earth switch operation with diagram

0 Answers   KSEB, L&T, Sanden Vikas, Siemens,

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Name one of major transformer company in KSA ?

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what is the mho relay

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What is the difference between ground & earth or neutral

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what perpos use cepacitors in motars,fans,lights,and LT panal

1 Answers  

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What is maximum rating of transformer ?

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how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

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HELLO SIR, IAM PREPARING HPCL EXAMS. SO PLS SEND MATERIAL OF HPCL ELECTRICAL ENG..TO VIJAY_8888@YMAIL.COM

0 Answers   HPCL,

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1. What is maximum permissible distance between smoke detectors ? 2. How do we decide number of smoke detectors required in a large office, warehouse, hall etc ? 3. What should be maximum height of smoke detectors ? 4. Where do we use heat detector, optical smoke detector, temperature sensitive detector ?

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Hi all, please could anybody give me a suggestion about Electrical designs and calculations .. what text book should i follow as i am a trainee engineer and here work going not so favorable to me so please help me friends .. A small discription about my work which is going here is all about Electrical designs like cable sizing, lighting, lightning, Gensets sizing, motor sizing, transformer sizing, generator sizing, circuit breakers, PDB MCC PCC SLDB MLDB panels, Single line diagrams mainly, substation desings, cable routing and layouts, reactive power compensations, power factor improvement, voltage drop calculations, power generations, power transmission, power distributions all calculations i need .. please please if anybody experienced with this problem and got a solution then please help me .. just i need an apt text book for these all calculations and designs ..

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why we store only dc in batteries ?

1 Answers  

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