Answer / jaswinder

refer IS : 3043

Answer / bijay

for this civil deptt conducts a survey to find the same
(Geotechnical data)
many methods are there to find the same.

how we can select a transformer based on a particular load. suppose we have 4 motors of rating 40 h.p , 50 h.p, 80 h.p & 100 h.p. then what rating of transformer we can select. urgent. pls reply

6 Answers  

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how can we calculate the current

3 Answers  

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IF we have three 30KW motor, these motors are connected in DOL, star-delta and VFD respectively, what will be the fuse rating for the above three?

7 Answers   DOL, GSK, Ojus,

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what is the difference between AC choke (inductor) and DC choke (inductor), working and design point of view?

2 Answers   Electrotherm,

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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?

0 Answers  

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what happens when the supply frequency to the tube light is reduced to 25Hz....?

5 Answers  

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what is bausbar?

4 Answers   Essar,

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I want single line diagram for AMF & DG syncronizing panel

0 Answers  

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why tan delta test is carried out in the power transformer? which parameter are measure?

1 Answers  

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what is technical diffrence between table fan and ceiling fan

5 Answers  

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what is the diffrance between earthing and grounding...?

6 Answers   Essar,

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if ELCB and RCCB connected in series,what wiil be the result

2 Answers   BEC,

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