Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?

1611

What are the tests to be done on circuit breaker?

1 3146

Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?

1651

new 90kw motor installed so how I purchased cable ,fuse,etc please give me technic for cable selected why always capacitor delta connection

1338

How to calculate the current carrying capacity of sized cables, and there is any formula. please send to 'than.achu@yahoo.com'

Blue Star,

1 2390

is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

Wipro,

1552

is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

3 4089

i applied for c licence with my one year apperents trainee and i have attaced with A grade contractor company experiance that is for 14 monts experiance this document is sufeicant for c licence? pls tell why they rejected

TNEB Tamil Nadu Electricity Board,

1673

what are inherent currents?

Sail,

1547

How to calculate the value of capacitance of a capacitor used in power factor improvement plant if we know KVAR and voltages?

1 2817

For a load of 40HP induction motor.what will be size of Armoured copper cable require to connect the motor to starter in Star-Delta?

CG,

1 4387

what is the disadvantage of lagging power factor & why ?

2 4714

one electromagnet is called

1405

Why transformer rating in KVA? describe.

5 6329

What is sequence network? Discuss all three types of sequence network.

1 2868


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Un-Answered Questions { Electrical Engineering }

What is the function of electron gun assembly used in crt?

616


how we calculate electrical load on a building according to area?

2230


what is feed back and what are feed back amplifiers?

615


what is inter connected dc generator?

2198


what is gas turbine intercooling ?

1588






what is the difference between linear choke and suction choke?

2149


how the CT and PT is connected in the circuit during testing of transformer explain with diagram

1486


for 11KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV UG system what will be typical per KM "R" "L" "C" parameter.

1941


How to calculate the copper in HT motors if KW, RPM & Voltage is given

2558


design a LV scheme for a 15 storied building?

1443


Explain dc generator with its types?

607


What are the characteristics of negative feedback?

590


Is a contactor (or master relay) required between incoming lines and a VFD? The question goes to safety. If a contactor were used before the VFD and an e-stop engaged then the motor will coast to a stop (i.e. VFD loses power) instead of stopping much faster if the VFD braking fucntion were used. It would make more sense to keep power on the VFD.

1527


What happens to voltage when current is zero?

747


A Question Like A Wire Is Wound Whose Resistance Is Some 132. 44647 Ohms. If A Voltage Of 30 mv, 296 Ma Current Is Applied To It What Is The Resistance.

601