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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

if we increase frequency of line, then how will string efficiency varies with it.

2 10140

Dear all, Can anybody tell me that how to choose CT for a specific load? I have a 200kw induction motor, which ratio CT should be installed? Is there a formula or calculation that determines the CT ratio for a load? Regards.

2 4656

How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?

1553

what is the difference between control transformer and Potential transformer (PT)?

1 3053

is 3-phase induction motor need a starter ? why do it so

Coca Cola,

5 5057

what is the use of the circle diagram

2 3623

what is TRCC

2 10236

How can I calculate per unit (KWH) fuel (Gas/ Diesel both) consumption 1MW unit?

1227

what is brushless generator?

Jk Tyres,

2 3413

Can we perform parallel operation of two transformers when one transformer on load?

3 3080

dear all, can any body explain that how to select an induction motor for a specific mechanical load(inertia). is there any formula or calculation then please give me. i shell be very thankful to all of you. Thank,s and Rgard,s.

1 1911

why secondary terminal of current transformer should not be open circuited?

ABB,

4 7609

In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.

2 2575

Will an earth leakage trip be activated if the component or wiring is faulty on low voltage equipment.Example An electrical Cat Scarer placed in the garden and water gets into the wiring.

1052

which type of motor is used in lift ?

7 6892


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Un-Answered Questions { Electrical Engineering }

explain all the classes with example

1075


What is acsr cable and where we use it?

252


What is vaccum currcuit breaker.define with cause and where be use it device?

237


What about electrical Units. discrive in detail

1129


how to calculte capacitor range for single phase induction motors??pls tel

1143






Difference between field rheostat and armature rheostat.

237


DEFINE BREAKING CAPACITY OF BUSBAR & HOW IT IS CALCULATED?

4351


How is magnetic leakage reduced?

236


What is the power requirement of tamil nadu for one month?

1203


I WANT TO know WHICH WAY IS BETTER FOR CONNECTION BETWEEN POWER TRANSFORMER AND MAIN DISTRIBUTION PANEL. 1-IS BETTER WE USE CABLE? 2-IS BETTER WE USE BUS DUCT? my transformer rate power is 2500KVA

1982


how to prepare the technical test

1207


can i able to get bhel previous exam question paper?

1275


What is measurement?

262


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

2264


how can get electrical c licence.now i am working in spining mill , transformer capacity 2750KVA. SANCTION DEMAND 2250KVA. PLEASE ADVISE ME . MY CONTACT NO 09944226823

986