Answer / achal

Transmission Line is a bare conductor while cable on the other hand has layers of insulation around the conductor.
To cross a Water channel we can use Cable but considering the "Cost" of Cable, Transmission lines are cheaper. Another reason for it is fault finding is easier in over head line than in cable.

I completed iti in2004 I was worked in A grade contractor can I get c licence

1 Answers  

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according to ohms law ,the voltage increases then current is what happened?

4 Answers   NTPC,

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Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m

1 Answers  

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Instead of single phase(220), if we apply Phase to phase (R&Y)supply (eg: for lighting fixture). what will be the power formula?

1 Answers  

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explain the Trip supervision circuit

1 Answers   NCC,

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When Alarm report at LED,Alarm volatge is 11-13 Volt But LED is of 3 volt.then why not it burn?

0 Answers  

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The inventer is a battery, but if lost current at home u will turn on the fan but the is AC and inventer battery is dc . Then how the fan was rotating. What device Or machine in fan converst the Dc power to Ac power

1 Answers  

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What is mean by % impedance of transformer? detail explanations expected.

1 Answers   FCUK,

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sir, how to select the cable size, what is the parameters use ang what is the formulas use for this cable size calculations. please tell me.

4 Answers   ISRO, Power Grid,

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

1 Answers  

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What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

1 Answers  

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The moisture in air will condense at

1 Answers   Caterpillar,

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