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Electrical Engineering Interview Questions

plz tell me the potential difference between phase and netrul

CGL,

3436

what is the disaddvantages of high power factor

2833

why the rotor is outside in case of ceiling fan?

HCL,

3722

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TATA,

1256

what shall be no load voltage of 132/33 kV transformer ? is it 33 kv of 34.5 kV

1330

differentiate between c curve and d curve MCBS?

2420

what is Fan Control Cubicle

1425

What is Auto Mains Failure Panel & Auto Synchronizing Panel

1026

What is Control & Relay Panel? And Remote Control Center?

L&T,

1323

What is LT Breaker Panel?

2631

Power Factor Correction Panel (Manual & Automatic)

1180

PLC Based Process Automoation Panels?

3431

What are :- AC Distribution Board (Single & Double Front) DC Distribution Boards Distribution Board LT Breaker Panel.

1230

What is CBCT ,why and whereit is used?

2912

Explain using drawings what is reverse PID action w.r.t PID controllers.

L&T,

2264

Un-Answered Questions { Electrical Engineering }

Define super node?

253

The shot circuit in any winding of transformer result? Explain

388

Help need in transformer !? Hello Friends The parameters of 2300/230 v 50hz t/f is R1=0.286 ohm R`2=0.319 ohm Rc=240 ohm X1=0.73 ohm X`2=0.73 ohm Xm=49.2 ohm Secondary Load impedance ZL=0.387+J0.29 solve the exact equivalent circuit with normal voltage across primery.. I know every thing but i cant find CURRENT I1=? and I`2=? Please help me give solution or only Formula please please...

1356

What is the main use of rotary phase converter ?

235

description with working of all parts of a Diesel generator???????

1592

how does a submersible pump work..?

1072

What safety precaution are to be taken for avoiding electric hazards ?

1054

WHAT IS MEANT BY DERATING OF THYRISTOR?

1976

What is the RME and explain the full form and what is the RME work?

1447

How many types of interlocking use in screw type air compressor,make-Kaser(BSD MODEL)?

1118

what is cogging and crawling

1609

Define piezo-electric effect?

229

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

1113

How can we design a HVAC Plant room which includes AHU,FCU,Chillers,Cooling towers, Pumps etc & how will they work? any Drawing if possible?

1461

Define noise?

242