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Electrical Engineering Interview Questions
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What is the difference between hot and cold loop testing?


L.A. (Lightening Arrester) is located at a place from where transmission line enters the transmitting substation. So L.A. (Lightening Arrester) is the first equipments which has to encounter with lightening, high voltage surges and switching surges. It has to absorb energy of lightening, high voltage surges, and switching surges. L.A. (Lightening Arrester) is made up of layers of semiconductors. If these layers can not tolerate energy released by lightening, high voltage surges, and switching surges the L.A. (Lightening Arrester) blasts.


What is the effect of electric motor stuck in star configuration,


how the aircraft outer body and inner body is separated ?


how the inner and outer body is separated in aircrafts?


Why we use d.c. meger in a.c. induction motor?

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What happens to a motor if it is connected in Delta connection


75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?


what is the range of maximum DOL and SDS can be use for pump and fan application


What is the difference between DOL starter and star delta starter


electrical knowelge


What is resistance reading of earth copper rod with grid and without grid?


A 230 v dc series motor is connected to 230 V ac supply, then

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What is various types of electrical formula?

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How many gap between finger contact in a.c.b. and v.cb.?


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Un-Answered Questions { Electrical Engineering }

Draw the line diagram of diffretial relay connected to transformer?


what is the difference between general inverter and solor inverter clerly explain plz


what is the cause of voltage dipp or swell in the transmission lines?

1443 many types of relays? 2.difference between ATS& STS?


what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?


in shunt clippers why a resistor is used in sereis with the input


in ring main system we use the isolater b/w transfer bus and main bus if we r not use isolatar than wat will be the effect in our sys.


if we look on phasor of the transformer vaoltage is 180 oppsite at primary and the secondary so to improve a power factor is secondary should kept negative to improve it primary side means is -.90 became +.90 at other side


how ct burden,magnetising current,ratio and knee point voltage are related & derived


What is Long rod insulator and it's applications..? merits over the disc insulator ..?


wat is meant by PX class in ct?


If rotor works in clock wise what happens


what is the condition for YnD11


What is method of calculating the fault current for a MDB, 50KW, 3PH, 415V, 50HZ?


What is the approximate value of stacking factor?