What should be the height of basement according to NBCC code?

0 Answers  

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the minimum clearance b/w ceiling and plane of leaf of ceilng fan shall be ..........mm

1 Answers  

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how to check a transformer insulation?

3 Answers   Kirloskar, Kirloskar Chillers,

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advantage and disadvantage of team work?

0 Answers   Ethio Telecom,

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why we still use sinusoidal waveforms for transmission and utilisation (we know generation is sinusoidal), instead of other ac waveforms such as triangle, sawtooth, square etc.,? is there any mathematical derivations to prove sinusoidal is efficient than others?

1 Answers  

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How can we calculate the fault level of the distribution system knowing the percentage impedance of transformer & subsequent equipments.

14 Answers  

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what is spill current?

4 Answers   Adani, NPCIL,

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1)what is the function of a frequency inverter? 2)If a few frequency inverter are connected onto a device network,what are the two setting that will ensure the frequency inverter work properly on the network. 3)whats is the name of the input sensor for weigher? 4)How to confirm that the load cellis faulty? 5)Describe briefly the steps to validate that the weigher is working properly? 6)Describe the procedure to validate the flowmeter accuracy? 7)Describe briefly the steps to validate that the tempreture sensor/transformer is working properly. 8)what is the adjustment that need to be done when you are calibrating the temperature transmitter ? 9)what are the safety measures to be taken before disconnecting motor for rewinding. 10)whats is the synchronous speed in rpm of typical 4pole 50hz motor? 11)whats is the formula for kw, ohm's law 12)if a 3phase motor is rated 3kw,415vac,what is it's rated ampere?

0 Answers  

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In 2500kva transformer how much is the withstand High voltage power frequency between primary to secondary and earth? And secondary to primary and earth?

1 Answers   Honeywell,

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why we use 11 kv 22 kv and so on ?

1 Answers   Air Force,

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how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you

0 Answers  

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Is possible to increase the voltage without using transformer? why?

9 Answers  

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