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Electrical Engineering Interview Questions
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I try to check the three phase voltage in multimeter, in 125A isolator switch incommer. first i touch R phase, and then i touch Y phase using multimeter, the moment i touched, it blasts and that moment i got blindness. multimeter selector position is correct(750V AC MODE AND RED PROBE WASS IN v AND BLACK PROBE WASS IN COM. MODE. COULD ANYBODY GIVE ANSWER FOR THIS TO AVOID FURTHER ACCIDENTS PLEASE?

2 3821

what is meant by impedance testing of transformer and why it is used

TATA,

1 3627

what is the difference between electrical choke and electronic choke?

1652

what happens to the supply voltage if there is any change in frequency?

Gridco,

1 4814

Hi ,what the accurate method to set correct(In) over load to protect the 3~ motor

4 2444

how i chosse capacitor bank if my energy meter is 48 kvr? tell me capacitor bank chossen formula?

Bhel,

1514

how i chosse capacitor bank if my energy meter is 48 kvr? tell me capacitor bank chossen formula?

ACC, Bhel,

1 5342

sir, i'm preparing for hpcl exam officer trainee pls tell me how the exam ques paper pls pls

1354

What will be the fault current of any system when its generation is 10% of BASE generation( FUll Load )?Will is 10% or the same as full base calculation?

999

why abcd parameters are called as transmission parameter?

Accenture,

1 14940

why h parameter are called as hybrid parameter?

1086

out of all machines which have highest efficiency and why?

2 3069

what is kondo syatem in eletrical traction

APCPDCL,

1135

HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS TAKING NO LOAD TRIAL OF AN HT MOTOR 920 MOTOR , 1440 RPM , 6.6 KV, WITH AUTO TRANSFORMER. AT 450 V, LOAD WAS 40 AMP AND SPEED WAS 250 RPM. BUT AS WE INCREASE VOLTAGE FROM 450 TO 480V, LOAD BECOME 41 AND SPEED REDUCED TO SOME RPM . SO WHICH PHENOMENON ACTED HERE FOR REDUCING SPEED.?? AND IS IT HAPPENING ALWAYS OR IT IS RARE? I ALSO HAVE FACED SUCH PROBLEM WITH FEW LT MOTOR ALSO.

996

Why are the HV motors are connected in star connection?

5 10840


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Un-Answered Questions { Electrical Engineering }

What are the advantages of thermal power plant?

192


If the rated speed of a d.c. Shunt motor is1440 r.p.m, which method of speed control would you suggested to obtain a speed of 1500 r.p.m?

188


How may I enrol or get admission to your program?

1104


what happened when we supply a dc current in dc motor?? can it worked properly?

1025


Explain what is electric traction? Explain few advantages of electric traction system?

189






what is the total power generation in india?

1248


Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???

1194


What is the Load Capacity of Panther conductor (0.2) and dog conductor (0.2) 

1879


IF HT CAPACITOR IN ON POSITION IS THERE ANY LOSSES I.S I SQURE OCCURS IN THE SYSTEM

1151


along with technical test papers

678


What are the causes for the failures of sandwich type (Al) busducts?

996


What is the difference between multimeter

930


What is cut-off rate?

203


What is a Phase shift meter? Where can I get one?

1211


in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients

1145