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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

if my load is not in continuous operation so what type of panel is required APFC or fixed capacitor bank without APFC whether C.T is required in both cases compulsory? explain detail

1 1149

25 kva load,

Voltas,

1 1668

Currently what is the highest capacity (MVA) of SPPg generator available in the market?

SPPG,

885

How to test the Secure Elite 440 Multi function meter working condition.

Sadanand Constructions,

1112

how single phase preventer works ?

1494

Why IR value of the (HT cable Plus synchronous motor) is less while individually having IR values in GΩ?

833

what gas is present in incandescent and florescent bulbs

4 2189

What is a advantage of Self Reset Lockout ? On Fault breaker get trip & fault no longer exist then self reset lockout how inform us?

Bhad Engineers,

748

What are formula we can apply to determine the HT/LT current of 11KV/433V transformer except KVA/LV×√3. ?

2 7585

a new 3ph induction motor doesn't rotates their ratted speed, why ?

Sail,

2 1537

Why do we require transformer with less specific weight if supply frequency is increased?

685

What is the difference between bundled conductors and double circuit?

Power Grid,

1 2289

why do select 11000v rubber mat even we use only 415Volts

Saint Gobain, Tata Steel Limited,

1 1983

Why we apply 100ADC for contact resistance measurement?.If we apply AC what will happen

4 1737

operation of protection relay watchdog contact?

L&T,

1412


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Un-Answered Questions { Electrical Engineering }

How does a tertiary winding filter harmonic(espcially 3rd one) from entering into load system?

962


can indirect loading be called as phantom loading?

1037


State thevenintheorem?

153


After doubling voltage from solar cells & use step down voltage transformer can we get high current output with low voltage.

1029


How to know of any cable size if there are not written on cabl?

986






11 kV line deraction check by an Engineer.

1030


How to discuss the phase shift of transformer considering open delta?

468


what happens in the short circuited secondary transformer,if the resistance of the short circuit is increased gradually?

1465


Why negative feedback is preferred in the control system?

230


Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?

942


what is reactive power?, why its measured in VA ? is it transient behavior of system?

1364


what are the condition that makes hooter blow?

1343


hi frnds can any one help me ? plz send me placement paper of IOCL of Electrical streem .... plz send ....its urgent....

874


How to find ampere on ht side for selection of cable size ???

856


How calculate the MTA in relay?

972