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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

in case of transformer the power factor is depend on input or the output

1 3958

How much DC or AC Current that a Human Body withstand for Electrical Shocks?

Suzlon,

4 25268

Why insulation layer of a High Voltage cable is more than a current carrying cable?

3 5927

How many types Switchgears?

4 11816

what is the working principle of induction motor

2 5871

i want to estabilish an loss energy storage system,such that it can store electricity lost during the transmission of electricity in conductor,so that this system stores energy lost during transmission and supply it to street lights during night

2 4377

armature winding of dc machine produce alternating emf then it convert in to dc by using commutator.But only we consider armature resistance why don't we consider inductive reactane effect?

APTransco,

2115

different between horse power and break horse power

Allied Group,

2 5571

Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?

HCC,

2400

what is the difference between RMS meter and normal meter

TATA,

3 6445

what is busbar. how many types of starter.what appartus will be used to improve voltage.what is the function of starter.what is b.h.p.what material is used for earthing.

1 3971

can we connect 2.2kw star motor in delta passion?

Zuari,

1 4401

what is the different between rms and average value

Finolex, TATA,

1 5324

all interview questions with answers of ntpc (2000-2009

Hetero, NTPC,

2266

what are advantage and disadvantage of zener diode?

Infosys,

2 53248


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Write the analogous electrical elements in force current analogy for the elements of mechanical translational system.

1327


Are Refrigerators & Deep Freezers the Inductive load ? How to calculate the Power Factor & hence the Output Power for them ?

5153


What happens if i apply 500V to 440V rotary Switch ?

1887


What is block diagram?

1172


How to calculate or formula to calculate rhe power in 2 phase system ??

1551


Why transformer used in UPS??

1659


How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

1964


I am having a 1500 KVA transformer whose secondary current is 2086A and my connected load is 1000 KVA, I am having 400 KVAR APFCR for PF improvement what ratio of CT should i install in LT EB Bus to get optimum PF improvement?

1788


What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP

1788


What is the formula to calculate distribution transformer De-rating on iron losses basis

1901


how can we calculate the ampacity of the electrical wire/cable. and what are the factors must be considered. pls. elaborate.

2315


Thermal withstand capability under full short circuit conditions, in terms of number of times of occurrence of short circuit and corresponding anticipated percentage reduction in transformer life.

2492


What is “pu” in ee?

1126


If SFU is Switch Fuse Unit, What is the expansion for FSHF in Electrical Engineering?

2645


i have a 4 Mva transformer 34.5 kv / 480-277 v and i used 2 parallel 3200 amp bus duct for the secondary feeder using 3 ply of bus bar ( 3/8" x 5" ) as a common where the flexible link terminated and 6300 amps breaker for the main, the lower bus duct reaches 70 degrees and the upper bus duct reaches 55 degrees when i used thermal scanner. why the temperature is not balance when the load reaches 3600 amps.

1979