Answer / mahesh doke

Spacing btwn 11kv=45-60cm and 33kv=90-120cm.

Answer / k.prakashchandra

40 cm minimum as per IE rules

Answer / aamir

its depend on rating

dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish

0 Answers   RRB,

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draw vector diagram and +ve,zero sequence diagram of symmetrical three phase fault.

0 Answers  

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Multimeter show phase to neutral volt 230 the per phase but phase to phase 415 not show 460 why.

1 Answers   Intas,

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What is the basic principle of circuit breaker?.. I read that it works on electro-mechanical principle... Does it require both electric n magnetic conversion to act?

3 Answers  

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If the Power Factor of generator is 0.85...What does this mean and Can the motors connected to this generator operate at PF more than 0.85 ?

1 Answers  

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what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?

0 Answers  

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If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

1 Answers   Focus,

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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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why voltage between neutral and earth, with out secondary grounded distribution transformer

1 Answers   Wescosa,

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what is difference between armoured cable and un armoured cable

2 Answers  

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difference between ac motor and dc motor

5 Answers  

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Why used in netural grounding transformer for netural side

2 Answers  

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