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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the equipment used to control the generator output?

4 3846

What are the factors to be considered during the Synchronization?

3 3679

What should be value of Circuit breaker operating time and tripping time?

3 4629

Why the CT Secondary is rated as 5A generally?

2 5104

At which time Synchronous generator act as a Synchronous Condenser?

4 6253

What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing?

1 10063

What are the protections to be used for Generator?

5 5833

. Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

1 2546

What happens when the polarity changes in CT? Explain briefly?

4 5206

Explain the Term in CT Name Plate – Class: 5P10

Jindal, SRES,

6 24993

why the transformer is not operates on two phase?

APGenco, Atkins, FFBL,

1 2170

What is the difference between Class PX & Class X CT's

ABB,

2 18462

What is the purpose of lighting Transformer used in Industries for Lighting illumination? Its necessary or not?

2 23803

Why Motors are generally supplied with 3 core cables??? why not 4C??

5 10542

What size cable (based on voltage drop) is required to supply a 40 A three phase boiler if the wiring system is 75V single insulated cables installed in non-metallic rigid conduit 56m from the main switchboard? Voltage drop in the consumer's mains is 8V.

1046


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Un-Answered Questions { Electrical Engineering }

difference between servo motor and synchronous motor

1444


How to calculate pitch, gauge of winding wire, and No. of turns for 30HP, 3 phase, 4 poles 50Hz, 380V induction motors

988


how can i get the formula to find out the cable size if i know the load of main fuse protection.

1011


Is there chopping current in resistive circuit

1085


what is the difference betweem star connected motor & delta connected motor?

1461






What are the different modes of plc processor?

190


Why do we use center tap transformer that used with portable tools

1340


Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?

590


What is voltage ratio of a transformer?

197


What do you understand by avr?

173


how load of a turbo generator can be increased

1005


HOW WORK HEAT PLATE EXCHANGER

1086


Did RMU have ct and pt ?

440


The knee point of a current transformer is normally unique and known.So why in the nameplate of a CT they put the minimum value like this Vk> 400v.

516


How to design the no. of ceiling fans required in 5mtr X 10 mtr X 3 Mtr hight room?

1107