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Electrical Engineering Interview Questions

In what cases (circumstances)we should apply P controller, PD controller, PI controller & PID controller ?

1242

What are chief characteristics of state-space method and its techniques ?

1140

Difference between PLC and SCADA ? What are merits & De-merits of PLCs ? What are merits & De-merits of SCADAs ?

5468

What are the industrial applications of Superhetrodyne Receivers ? What are merits & De-merits of SuperHeterodyne Receivers ?

2815

why the neutral point in connnection oscillates?

1302

hello friend i wish to study a course related to the electrical construction, controlling and monitoring , which course i want to study? pls give me the name of institute?

946

IF we have three 30KW motor, these motors are connected in DOL, star-delta and VFD respectively, what will be the fuse rating for the above three?

DOL, GSK, Ojus,

6545

Hp to Kw and Kw to I(amps) conversion......

4999

how to check the insulation for motor using megger?

GSK,

3318

how to find insulation resistance of a generator(11kv) by theoritical formula??

3334

what is difference between delta-delta,delta-star transformers ???

6456

what is purpose of using neutral grounding transformer in generators??

5546

how to find the resistance and gap volatage of the diode??

1100

how to set the overload setting in the thermal overload relay?? is there any calculation in that??

15064

why the transmission side of the generating transformer is always star??

4649

Un-Answered Questions { Electrical Engineering }

Define what is difference between fuse and breaker?

207

The electrical energy required to raise the tempreture of a given amount water is 200 kwh. If the heat losses are 20%, the energy required is?

1091

HOW can i REuse the fused MLL LAMPS & GLS LAMPS at our factory

988

what is the calculation involved to design the heater to heat 10KL of water in temperature control unit?

1046

What is the most accurate way of testing ELCB?ELCB is better than RCD?

2361

How dia computation perfomed in cold rolling mills .

2173

How the frame size of a flange mounted AC induction motor is calculated?

1081

How to know vacuum in vacuum cylinder of breaker in working condition

1021

How CFL &T5 tube light glows?

1157

What are the parameters of water ( Water quality )to be monitored in Centralised HVAC ( water cooler chillers )

1193

why normally Generator rating are between 11Kv to 22Kv?

2818

WHat is the requirement of installing FAST ACTING EARTH SWITCH in GIS and how is that integrated with protection system. How and when does it operate?

849

Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

1798

Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????

1797

what happend to DC shunt motor if its field winding insulation becomes slightly weak? will that motor can run on full load or not explain in detail. thanks

732