Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How many methods to take IR value of Current Transformer?

1 3337

why autotransformers are not safe for supplying low voltage from a high voltage source?

5 5379

Explain the experiment on ward leonard method of a speed control on a dc shunt motor with an suitable circuit diagram.

975




what current is taken from a double wound 500kva transformer

4 2903

what is the tolerance for the magnetic balance test conducted on the distribution transformer?

784

what is the differn bitween RCCB &MCB

3 4226

what is b checks and m checks in diesel generator maintenance?

1 678

how caculate the pump head to maintain perticuler pressure of water and what would be the motor size in hp for the same?

1 1809




what should be the megger test report for 11KV cable when meggered with 5KV megger , what is the resistance value we should get

7 9352

how we can calculate power factor without knowing current in 230v 100w load ?

10 9106

WHAT IS RETARDATION TEST IN DC MACHINES?

4 15044

What is the List of Equipments, Instruments, Components required in Transmission of electricity from 1 substation to other substation(The equipments required in substation too)? What are the differnt IS standrds used for above equipments in Industry?

2 6914

What is the pratically meaning of neagative going ac current.

1 1710

Why a transformer is rated in kVA and not in kW??

9 6495

my self i am raghu working as tech.. in my college the maximum demand is 211 kva presently we are using 12kva capacitors the target power factor is .95 so what capacity of capacitor banks should i install

2 2307


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Un-Answered Questions { Electrical Engineering }

what are the problems that generally occur in power flows??

1121


what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.

623


For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel

951


how wecalculate breaking capcity of acb mcb mccb .explain with example

242


. What is Electrical Life & Mechanical Life of Circuit Breaker? 2. What is Electrial Life & Mechanical Life of Magnetic Contactor? 3. What is RCD, RCCB & RCBO? 4. What is the Between defferance of RCD, RCCB & RCBO?

1408


how we select ac fuse rating of an power inverter???

424


Can we use a absolute encoder to show rpm of a motor ? what about the condition when power is off ? what is difference if a incremental one is used ?abanirout@gmail.com

577


what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator

450


Why we are using only Dyn11 tranformer in distribution system but not using a Dyn1 in distributing system?why not and advantage and disadvantage in both

1195


What is the formula to calculate distribution transformer De-rating on iron losses basis

342


which network topology offers the greatest level of tolerance?

498


Draw a SLD of DG distribution up to main LT panel?

5542


in star-delta tranformer,if the input of star connection is 400/7v 3 kva then what is the output of delta connection?

622


what is apparent poewr, reactive power, & active power?

593


What is Traction? 1KVA Alternator, How much urrent taken?

540