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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how to calculate the knee point voltage of current transformer?

2 3934

why dc series motors never start without some load, and what will happen if starting with out load..

1 3159

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

1371

how much amps can i connect for 4core 120mm armade cable

2 7651

What are the Application of CT & PT ?

2 4351

What safety precaution are to be taken for avoiding electric hazards ?

1269

what is meant by dedicated earthing?

1 2954

if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?

1306

what happens to a turbo alternator if it get trip and 1 out of 3 poles of circuit breaker in close condition

wbsedcl,

1 3586

What is the technical formula to calculate the load taken by a motor in Amperes ?

2 3269

Hello friends., my question is related to testing of current transformer... A Ct having knee point voltage of 750 volts., and I have two step up transformer's of rating 230 v to 440 volts., can I obtain the value of 750 volts by using the two transformer's.... If yes then how could I connect the transformer's to obtain knee point voltage?? thank you in advance

ABB,

1 3789

trasformer ratting

Bhel,

2 3621

why are the likely reasons for bochholz & pressure relays oprate due to a internal fault but not differential relay ?

2 3264

How to select transmission line type (i.e. 11kv or 33kv) for new established industries

1429

how many types of motor can be used in washing machine

1513


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Un-Answered Questions { Electrical Engineering }

we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer

1139


what's the requirement of Dy11d0 connection of 3 phase transformer?what's use of it?

6842


I want single line diagram for AMF & DG syncronizing panel

6389


wish of these transformer uses oil?

1011


What is the source of dependent source ?

1259






Can we use shunt trip coil instead of trip coil with protection relay for protection?

1139


What was the Dg set radiator and lube oil temperatures trip in ACB

1127


For a stable system, where should the poles of a system be in a root loci plot?

504


Ac generato how produce power I need for camplet defination

991


Direction of flow of active power and reactive power with logic?

1145


what is tri state logic gate

1420


when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?

1732


How I calculate the ELCB for circuit breakers?

1492


What is ideal IR values for ground and neutral.

1117


Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

2031