Answer / ram

FIND OUT FULL LOAD CURRENT OF THE GIVEN EQUIPMENT.
THUMB RULE IS THAT, FOR CU CABLE, IF THE CURRENT IS 6
AMP/SQ.MM THE CABLE STARTS TO HEAT. AND FOR AL CABLE IT IS
2 AMP/SQ MM.
ACCORDINGLY WE CAN SELECT THE CABLE.

Answer / ych

First we have to calculate FLC and after that must look in
the book.

Answer / binay agarwal

For LT motors,
For copper,current carring capacity is 4 times of there
cross section area,
For aluminium,current carring capacity is 3 times of area.
This ratio will continuously decrease as we will go to HT
side motors.

DG use Rating KVA why

1 Answers  

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10. THE MOST COMMON TYPE OF THREE PHASE IN UNSYMMETRICAL FAULTS IS ........

6 Answers   SSC,

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what will happen if delta - star , 400V to 6.6KV step up transformer neutral is not grounded, Neutral is not used but transformer is provided with neutral.

2 Answers  

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why neutral is required in electrical system

3 Answers   Bhel,

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what is the purpose finding power factor?

3 Answers  

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what are the method of testing of transformer??

2 Answers   NCC,

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All tape of electrical questions Answers tape of motor transformer e.o.t crane

0 Answers   Afcons, Honeywell, Manlift, SIMS,

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The formular of how to calculate a cross sectional cable to feed an electric motor. Examle: 15KW, 26.1A, 415V. Calculate the cable size in mm2

3 Answers   Sona,

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if 40 watt bulb has higher resistance then a 100watt bulb then according to joul farmula p=I^2R the 40 watt bulb more power consume then 100 watt bulb.

5 Answers  

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According to underground cables a) stress b/w sheath & conductor is high b) inrush of core & conductor

0 Answers   CDS, Engineers India Limited, TNQ,

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What is process of anneling transformer core

0 Answers  

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What is different between resistance grounding system and resistance earthing system?

0 Answers  

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