we have 1000 litre water tank,it located at 25m hight from ground level,the water level on 10m below from ground level.for fill the tank within 1 hour,how much of motor rating(HP) want to select?

0 Answers  

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why in america the supply frequency is applied as 60 HZ. but in india we use 50 HZ.

1 Answers   Elcom International, HCL, NTPC, OMC,

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How to select the different contactors ( starter combination) for different AC motors? what about fuse cappacity 4 different motors too?

2 Answers   Equate,

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A ray hit a smooth regular surface at an angle of 20 from the normal. Calculate : 1. The angle btw the incident and reflection ray. 2. The angle of deviation.

0 Answers  

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what is meant by skin effect ?

3 Answers  

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what is the function of compressor?

2 Answers  

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If one tertiary phase i.e. R,Y or B is earthed of a loaded type tertiary delta connected (Without load)of a power auto transformer, what is its advantage/disadvantage?

0 Answers   Amara Raja,

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A long transmission line is limited by - a)thermal limited b)voltage limited c)stability limited d) L,C limited please explain with proper reason.

1 Answers  

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what the different types of cables used for 11kv and 33kv over head work and what is the size of cable in sqmm.

2 Answers   Ordnance Factories Board,

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IN 1000kva transformer where the oil and winding temperature sensors is connected

0 Answers   Cushman Wakefield,

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WHAT IS A COLOUR CODING OF 3 CORE CABLE

11 Answers  

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what is auxilliary transformer??

3 Answers   Bhel,

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