what is cro

3 Answers   HCL,

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In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?

0 Answers  

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can we use CBCT in neutral of solidly grounded transformer? in place of three phases we can pass only one phase which decreases the size of CBCT?

0 Answers   UPSC,

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Size of the 60Hz and 400Hz transformers is a) same b) 60Hz Tr s larger than 400Hz Tr c) 400Hz Tr s larger than 60Hz Tr d) None of the above

5 Answers   Ecil,

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What is synchro?

0 Answers  

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how to check 3phase motor winding with help of multimeter?

2 Answers  

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salam, hi, how to calculate british temperature unit (B.T.U)?

1 Answers  

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On the secondary side of a distribution transformer, we use 1c x 630 sq mm cable. Why dont we use 4 core cables instead of 1 core cables on the secondary. Why we use aluminium cable glands on the outgoing instead of brass cable glands?

2 Answers   Siemens,

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rating of ups??

1 Answers  

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formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?

0 Answers  

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How do u analyse protection fault when vcb tripping on load

0 Answers  

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Under Ground Power cable earthing is required at both end or single end? and reason for the same

3 Answers  

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