following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?

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what is KSR type transmission tower? What is LSR type transmission tower?

0 Answers   Ford,

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How does the sensitive earth fault protection provided by cbct for motor can help in reducing the size of cable used to supply the motor?

1 Answers  

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can we synchronize star system generators with delta system generators?

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what is the difference between servo voltage stabilizer and general voltage stabilizer?

1 Answers  

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what is static electricity and how it generates?

2 Answers  

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What is the difference between Dielectric and Insulator

9 Answers  

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What is meant by full pitched winding?

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Good day everyone,currently in our premise we using 30kw slip ring motor with resistance bank which we use as forward and reverse at conveyor bar handling. So,my question is how do we calculate the resistance bank which is suit the motor. Kindly,assist me... thank you

0 Answers  

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what is automatic voltage regulator and it is used?

2 Answers   HAL,

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why in generating station generation voltage is 11 kv

1 Answers   L&T, Usha Martin,

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I have suguna 3 hp pump for my agreeculture work.It deliver the water from 45 feet well .I suffered by powercut.During powercut i got 2phase supply only .My question is can i run the pump in 2 phase supply using capacitor?.Can u explain me how to connect the capacitors?

2 Answers  

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