In all electric motors, fans are provided to dissipate heat. How it dissipate the heat? By absorbing atmospheric air or by exhausting the heated air generated while running?

2 Answers   Ford,

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What is OT in a transformer, specify its function.

2 Answers  

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what is the maximim current drawn by 1 phase and three phase welding machine

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hi frnds what is meant by harmonics & what is meant by third hormonics,where its will occur ?thank u

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Why negative feedback is preferred in the control system?

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Is there any Electrical supervisor license which gives permit to work whole India rather than individual state??

0 Answers  

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I use 20 nos led tube 4feet, in pathway 100mtr approximate, so what size cable i use for lighting

0 Answers   Oman Cables Industry SAOG,

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i want to make an elec generater with only 12v car battery car alternater and 12 volt motor ..... will the battery charge and give power at same time with out over charging the battery?

1 Answers  

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we r having 3 core 3 1/2, 4 core cables how we can know this cable has to be used for this purpose?

5 Answers  

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Please give me a solid reason there are 2 ELCB's If we take Phase from ELCB NO:1 an Netural from ELCB N:2 why ELCB is tripping when we connect the Load?please brief me with detail

3 Answers  

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why do we have 230v a.c. as general voltage for domestic supply rather than others?

2 Answers  

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what is the meaning of impedance protected in instrument cooling fan

0 Answers  

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