Answer / guest

compared to distrubution transformer the efficiency of
power transformer is much greater practically the
efficiency of power transformer is about 95 to 98 percent
although the efficeiency of dt is about 75 percent.

a 3 phase motor was running with delta connected, suddenly one phase winding got burnt off, what will be the effect ?

8 Answers   Bhel, RRB, SR,

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why current is constant on d.c?

1 Answers  

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what is the use of CurrentTransformer in AVR ?

2 Answers  

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What are the diferences between ELCB and RCCB

5 Answers   L&T,

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A 60w bulb & a room heater are connected in series.if 60 w bulb is replaced by 100w then what will be the effect on heater out & why?

6 Answers  

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enlist types of dc generator

8 Answers   Philips,

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A parallel flow heat exchanger will perform better than a counter flow heat exchanger. State if the statement is true or false.

1 Answers   Blue Star,

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name the famous power plants in ap and vwhere it is located with capacity details

1 Answers   BARC,

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What should be the length of transmission line so that we can see/obtain the full sine wave of voltage??

1 Answers   Siemens,

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how vector surge relay works ?

3 Answers   BFL,

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can HT cable or HT bare conductor used for LT line? is yes what would be the current rating?

2 Answers   ACC, wbsedcl,

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electrical ques

1 Answers  

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