A heater capacity is 3.0 KW on 415V . if supply voltage is 380Volt . what is heater capacity on 380volt . and how calculate and give formulas . Prakash veer singh Roto power Engg.

5 Answers  

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A resistance, inductance & capacitance are connected in series between points A & B.The voltage drops across the resistance,inductance&capacitance are found to be 40V,70V&100V respectively. What is the total voltage between between points A&B (Vab)? a)210V b)70V c)50V d)230V

6 Answers  

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how does grading rings & spacers in transmission line works? Working Principle?

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what is intermediate switch

1 Answers  

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What is the diff. between two phase & three phase supply.

7 Answers   Crompton Greaves,

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what is the difference between diode and zener diode?

21 Answers  

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in house wiring when two wires are same colour coding and there is no any connection one end how to find which wire is earthing wire

1 Answers  

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what is the relative size of single and three phase?

0 Answers   Student,

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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 is rated voltage?

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what will happen when excitation of a synchronous machine is suddenly reduce to zero when it is running at full load..??

7 Answers  

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how much earthings are provided for 22KV HT Metering Kiosk

1 Answers   GE, Gionee, Knight Frank, TATA, Vacmet,

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