I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions

0 Answers   Wipro,

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What is the pratically meaning of neagative going ac current.

1 Answers  

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Why we find the sensitivity for the CT's to check?

0 Answers  

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Draw SLD feeding from the SS up to distribution board of the load, calculate cable size, breaker sizes, and meter for the following case: Ground Floor: electric room, pump room, 5 shops, each is 15 KW First Floor: 5 shops, each is 15 KW Second Floor: showroom 30 KW Service Loads: water pump 3 KW (3ph) , fire pump 3 KW (3ph), and one DB service 12 KW (3ph).

0 Answers   FEWA, HMK,

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What is floating voltage?

1 Answers  

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what is the different between earth leakage relay and earth fault relay?

5 Answers   ME,

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what is IMPEDENCE? FORMULE?

6 Answers  

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What is the purpose of SOTF being used inspite of distance Protection given?

7 Answers   Alstom,

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What is the main use of rotary phase converter ?

0 Answers  

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can we run the home fan both clock and anticlockwise direction

1 Answers  

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Explain the laying procedure and laying depth of submarine/subsea power cable for 220/400KV system? Also available cable diameter?

0 Answers   ABB,

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what is power factor

6 Answers  

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