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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why onlyseries motors are used as universal motors? why not shunt?

TCS,

4 7656

int a,b ; a=b=10 ; if(a>b){ printf ("%d",a)}; no error output is a=10

TCS,

2 2594

How eddy current generation support the idea of train braking?

979

Which phase is prefered for connecting 1phase vt used for synchronism in an OHL? why?

Siemens,

1 2501

which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?

Siemens,

1023

from which formula we select a capacitor rating?

CLG,

1133

Why slip-ring and brushes are not required in squirrel cage induction motor?

L&T,

4 6678

why normally Generator rating are between 11Kv to 22Kv?

Torrent Power,

7 13800

How can Inductive load reduce the line voltage of HV transmission line and vice versa Capacitive load?

1 2334

what is meant by auto transformer?

Suzlon,

4 4153

what is tandem isolator ??????????

5 19260

Why delta connected motors are used normally.

4 4055

what do you call the last pole on a overhead line near a substation

2 2855

hi this toufik here. i am doing my b.e.degree.now i am in final year and supposed to do a project in this year so i thinking to control the buchholz relay using software base means checking the status of transformer oil using microcontroler, plc or scada. so can i do so...??? alz suggest me...

2 2584

from which formula we select a capacitor rating?

Suzlon,

4 6696


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Un-Answered Questions { Electrical Engineering }

What are the types of windings present in the ceiling fan? What winding will be effective first when we started the fan?What are the resistance and inductance ratios comparatively at the initial speed and full speed of the fan?

1894


How do i perform grounding of star point of Genset (400V) for making connection with step up transformer of DELTA-DELTA (400V to 20KV) ? while Genset itself has its own neutral and grounding bus bar inside genset breaker box whereas we have another neutral and grounding busbar in synchronizing panel next to genset at maximum distance of 6meter, would someone pls advice if we can only perform neutral grounding in synchronizing panel or should we ground neutral on both places inside genset breaker box and synchronizing panel.

721


we have two generators different capacity on 15 MW and other 6MW at 11 KV , 15 MW gen. bus short level current 40KA,and 6MW short level current 25KA,, length of cable 100MTR between 6 MW from 15MW gen. for bus coupling . kindly tell any one can we use both NGR OR one NGR from any GEN. BOTH NGR has diff. rating. Tariq pakistan

725


How to Calculate The sag of OPGW in Transmission Line???

2067


What is the transfer function?

157






Why mostly the HV side of transformer has Delta?

2222


WHAT IS MOBILE SUB-STATION? & REALLY BENEFIT IN INDIA

1132


when the Transmission and Distribution network where is the "feeder" lines are located? and why should be used in T&D network.....

759


Do Phase angle measurement have any application in freq/harmonics measurement? If so how?

980


What is the difference between a verilog task and a verilog function?

182


how we do Vector group ,magnetic balance and tap changer test in Transformer?

1546


what's the difference between abs/inc encoders. apart from the position remembrance what are all the other differences. and what's mean by grey code.

1084


What is precision of a measurement?

182


Why efficiency in thermal power plant is low?

172


What it the purpose of parallel phasing transfomers??

1048