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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

if 400kv line is connected to the load but neutral ii not be connceted then wt ll happen

2581

what is gapless metal oxide techniques?

2157

why generator is star connected ?

16606

I have a 33 KV sub stn with two mother transformers 33/11 KV of capacity 3150 and 1600 KVA respectively. The total connected load 16809 KVA(11/0.433KV).how i calculate the max current & how i decided the CMD.

1674

What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?

1250

Application wise, where we should use AC motors and where we should DC motors?

2722

eddy current losses depends on?(a-max magnetic feild,b-avg magnetic feild,c-on frequency,d-on square of frequency)?

Ecil,

3434

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

Ecil,

2141

Sparking occur when a load is switched off because the circuit has high – a.) Inductance b.) Capacitance c.) Resistance d.) None

Ecil,

10212

how do we calculate cable sq mm size,that if 50 A load

3685

can we start slipring motor on star delta like we start induction motor ? if yes where will we connect ?

1120

VCB in closed position during opertion if vaccume break then what will happend? it has any protection ?

2295

For Eg a 30 kw motor at full load how much kw it takes And at no load how much KW it will take?

GEPL,

2051

For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?

GEPL,

1146

At full load wat is the motor p.f And at no load will is the motor p.f?

GEPL,

1320

Un-Answered Questions { Electrical Engineering }

how to select the double earth conductor if 21A full load?

1091

What is slip in an induction motor?

278

apti mainly on logical reasoning, verbal and non-verbal ability (70 percent) and remaining technical. I was in ee but technical had mech ques like on turbines and welding.

1313

what is thermal resistance of PVC Cable.

965

Dears we deal in Chemical are Plate earthing. Kindly call if any requirement and questions. Tech Earth Solutions Mohit Verma 8791071007

970

when generator short circuit condition, the current how dissipates. or at short circuit voltage not available then current how can flow?

1381

What is the formula to calculate the size of Aluminium and copper cable?

1049

what heppend if we are connected u1-v1-w1 as a star point in the place of u2-v2-w2 in power genration

1339

What is limitedly stable system?

230

how we design a pannel to start 10HP motor with the help of star delta starter?

1306

HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?

1166

What's mean HVF & HAF in Vacuum Circuit Breaker?

4207

What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection

2383

What is the Diff. btw Manule Pull Station & Manule Abort Station Switches used in FM200 System??

928

why ss stablity limit is more transient stablity limit?

1255