Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is form factor.and rms value..

IIM, Torrent Power,

1 4117

WHY ARE THE LT GENERATORS SOLIDLY EARTHED WHILE THE HT GENERATORS ARE EARTHE THROUGH NGR OR NGT??

3 7115

what is the maintaining Cf in UPS.

Enercon,

1763

how to design domestic earthing pit and earthing wiring?

1 6123

placing earthing pit in pathway is correct or wrong??. placing earthing wireGI1/18 inside walls is correct or wrong?. explain!!!

1723

why induction motor always operate at lagging p.f.?

4 9772

if we give DC suply to the AC motor what hapen

TATA,

5 6880

Why Indian Electricity frequency desined 50 Cycles as developed countrys are using high frequency with low voltage

1 4126

what is the use of spherical metal balls attached on to the earth wire of transmission over head lines?

2 3801

what is the function of an auto reclosure relay in OHL?

1 4084

why transformer capacity is called KVA and motor capacity is called HP/KW? Why transformer capacity cant call HP/KVA?

5 10794

what happens when back feeding supply accidently collapses with normal supply ??? How?? [that is sometimes in a substation 11kv feeder if their ws long time permit work, back feeding supply will provide from nearest substation... if accidently after the permit work,they charged the feeder without removing back feeding wat will happen...?]

KSEB,

1 3719

Difference between low impedance and high impedance Restricted Earth Fault

2681

Differentiate between Low and High impedance Protection

1 3202

Differentiate between Zero and Negative sequence current

1473


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Un-Answered Questions { Electrical Engineering }

TCS IS IT COMPANY THEN WHY DO THEY NEED ELECTRICAL &ELECTRONICS ENGINEERS?

1509


Explain what is rated speed?

712


diff.between servo motor and ac motor

1585


How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

2383


how to compute kAIC?  with formulas...

3741






How to prepare electrical preventive maintenance plan & shedule of machine tools in manufacturing unit.

1751


how to calculate the battery AH

2284


i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula

1762


EXPLAIN WHY THE SURGE CURRENT RATING OF AN MCCB OR CIRCUIT BREAKER DECREASES WITH INCREASE IN THE RATING OF MCCB OR CIRCUIT BREAKER.

1561


how to build a network which step down 415v to 1v rms

1507


what is the differencce inn series and cascade connection??

4279


What are the different types of LT Cables?

658


what is interfacing in computer studies?

1283


Define what is difference between fuse and breaker?

699


As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.

1467