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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why do you want leave the company

2 2834

what is post close & pre close of trip circuit supervision relay in circuit breaker control scheme?

ABB, NEK, Power,

2 18815

HOW TO CALCULATE THE LOSSES OF CURRENT FOR LT CABLE JOINTING TO MOTOR SUPPLY.

2 4071

In a circuit a capacitor (paper capacitor ) was burned due to over voltage in this case can we replace that type cappacitor with other tye capacitor ?

1 2144

THERMAL CAPACITANCE IS MEASURED IN..................................................

SSC,

1267

WHAT HAPPEN IF LT SUPPLY 415 V FED TO THE HT 3.3KV MOTOR

1 3767

What is the difference between Earth Fault protection & Neutral Protection

1 2958

If the battery is in charging condition means, battery is which type of load? Capacitive or Resistive load?

Crisp,

2 4396

how to select the surge suppresor for the 33 KV supply and what will be the rating, selection guide

1 1984

Is a d.c.compound motor is use as a booster? how?

1231

What is current & voltage ? Voltage perform at any load without current or not?

997

Is a induction motor rotate by back emf ? If not , then how it is rotate ?

1 3237

Is it posible to instal one more SMDB from the existing SMDB and is it practical.

CGI,

1203

what is the difference between HV and LV Breakers?

GM General Motors, OEG,

4 8594

define one ampere?

2 2872


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Un-Answered Questions { Electrical Engineering }

5.WHICH TYPE WELDING PROCESSES USES NON CONSUMABLE ELECTRODE.........

1280


write down the formula of cable size in RM if current is 50Amp.

549


why we use Test Terminal Block in 11 KV and 33 KV electrical panels.

580


What is polar plot?

248


Can you explain about pole discrepancy scheme

1277






sir i used 3 hp of motor for spraying pump, other home light and other home items which size of allminium pvc wire ix used

1017


What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)

2410


IN MY SYSTEM THERE IS ONLY OVER CURRENT EARTH FAULT RELAY IS AVAILABLE. FOR THE UNBALANCE SENSING IS THERE ANY RELAY IS AVAILABLE? THE SAME CTs WHICH ARE USED FOR THE OVER CURRENT EARTH FAULT RELAY CAN USE FOR UNBALANCE ALSO?

2465


R=*ΒΆ l/a

798


1. A bomber drops a bomb from an aircraft flying at 2000 km/hr. at an altitude of 7km. The speed at which the bomb will strike the earth would be

1092


how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating

1372


A 100 kVA , 400 v/250 kv testing transformer has 8% leakage reactance and resistance on 100 KVA base . A cable has to be tested at 500 kv using the above transformer as a resonant transformer at 50 hz . if the charging current of the cable at 500 kv is 0.4 A find the series inductance required . Assume 2% resistance for the inductor to be used and the connecting leads . Neglect dielectric loss of hte cable . what will be the input voltage to the transformer ?

3261


How to connect the chemical earthing and complete process tell me plz

1029


Formulae for calculating the transmission line losses for different voltage levels

1234


various transmission tower like .,D tower ,K.C.O tower ,C.C.O tower,K.C.R tower ,C.C.R tower ,H.C.O tower in different tons.

1861