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Electrical Engineering Interview Questions

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To measure insulation resistance of 11KV cable between core & armour, what should be the test voltage & duration?

I have draw the 350A DC current, so what is the size of cable i can use? Give me the answer with formula

Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,

1998WHAT IS MEANT BY vfd(VARIABLE FREQUENCY DRIVE )HOW CAN WE APPLY VFD TO MOTOR ? I WANT FULL DETAIL IF ANYBODY KNOW THE WEBSITE FOR THAT PLZ SEND .THANK U

Any one Give me formula for to increse the power factor, 0.8 to 0.95, How much the KVAr Required

A heater capacity is 3.0 KW on 415V . if supply voltage is 380Volt . what is heater capacity on 380volt . and how calculate and give formulas . Prakash veer singh Roto power Engg.

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Un-Answered Questions { Electrical Engineering }

Explain how you intend to work under pressure to meet up with deadline target?

What do you mean by lighting transformer?

How to synchoronize the generator (with gcb,GT) to grid????? ????? from Grid iam getting power (rated 400kv/20kv) through GT and its goes to UAT.,,ST.,, now my generator(rated 20kv ) ready.,, now iam closing my GCB.,, in GT iam suddenly giving 20kv on that Gt.,, what will happend

detailed procedure how we calculate cost for pcc m10 and rcc m20 including centering and labour excluding steel/ iron

What current position are you holding in your current company?

Where should the lighting arrestor be placed in distribution lines?

how can i determine the gear ratio for a rack and pinion system if an electronic gate operated by an electric motor is to travel a distance of 5meters in 15 seconds.

What is error of a measurement?

What is a single phase autotransformer?

How to test the Secure Elite 440 Multi function meter working condition.

what is the difference between elcb and rccb ?

How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.

Hello sir, pls send me hpcl technical test papers .i am. Appearing for the exam.

I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions

What is the difference between a 3 winding and 2 winding Potential Transformer