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Electrical Engineering Interview Questions
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Is there a possibility to use such a treshold voltage for the NMOS part of a CMOS circuit that during the switching it will start conducting only after the PMOS part will be already closed, by this eliminating the leakedge current? Please note, I'm not asking about the well bias in standby mode, but about the "antileakedge" measures during normal operation.

 688

what is the length of air terminal in lightening arrester system.

 1 2843

if v r considering a 4000/1A ct,if v inject 1 amps in secondary core wat happens?(consider as 2 core ct,each for metering and protection)

 1 1619



how will you determine the short circuit capacity of a network

Dalkia,

3 5479

In a three phase transformer(delta/star connected)when i touch one end of the bulb in any one phase and other end to earth..will the bulb glow or not..if not why?..i'm touching the bulb in star connected side...

 6 4890

importance of air gap in transformer

5 7590

How to select the cable size for the given load ?Pls explain the Formulae

 3 5130

if two bulb of 50w &30w apply in series having 230v the which bulb glow bright ,why

 10 12608



two generator runnig with parallel but only one NGR on And one off Why

 1 4138

what is earth-fault?when it occurs? to check where it occurs what type of test should we do?

ONGC,

839

how tan-delta test is performed?

GE, VDL,

1 4737

why transmission voltages are in multiple of 11kv?

10 19483

what is gridrotor resistance starter

 634

what is the switching substation

 2 4322

tell how current tranfomer works

 2 2636

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Un-Answered Questions { Electrical Engineering }

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

357

please send me RRB electrical engineer previous year questions for Sr. Section Engineer

670

What's mean HVF & HAF in Vacuum Circuit Breaker?

3738

how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?

851

Direction of flow of active power and reactive power with logic?

529




The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.

707

plz send me the procedure and syllabus for mseb exam

2483

Why open circuit test of transformers is conducted at rated voltage??Why not any other voltage??

242

why do we not use equivalent voltage source in negative sequence equivalent ckt.

811

While HT line put on to activate ACB in low tention panel VCB tripping instantly.why it happens

747

can u describe the method used for protection of transmission line.

867

how does directional relay work incase of ac ?

164

Please explain me about Relay curves and their sources to read ?

618

11kV capacitor bank of rating 2.4KVAR, is charged with protective relays of only over current & Earth fault &.......without Over Voltage, Under Voltage & Neutral Displacement Relay. Is it advisable??

465

R=*ΒΆ l/a

372

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