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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the function of Moulded case circuit breaker, why it is called Moulded?

540

Why soda is added with water in Lrs of Sliipring motor…to Increase or decrease resistance of water?

1 1631

What's the difference between non break power supply and non break non short break power supply

626

What is the lockout relay

627

What is the test block protection relay if any body know plz explained

575

Can a generator runs after getting 1st stator earth fault.

601

how to difference between the HT< cables

L&T,

1 1114

How work of capacitor in dc supply...???

592

can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

545

what will happen when the dc supply is given to the capacitor?

583

how to calculate the current carring capacity of the conductor

1 927

What is the function of retrip in busbar?

Getco,

623

what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)

TATA,

736

what are the tests comes under the type test, what tests comes under routine tests.

599

what is the calculation formula for motor starting torque,running torque, running torque.

736


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Un-Answered Questions { Electrical Engineering }

How to do stting of vl250 siemens MCCB

2004


What is the function of interposing current transformer?

183


0.5,1,1.5,2.5,4.0.6.0,10,16 square mm electrical wires how much take maximum current in 50htz

1277


what is the illumination level required for child play area?

1203


how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence

694






Why AC current leads voltage in capacitor and how?

1125


why is using sensor?what is differece between photoelectric and proxmitty?

1066


What is a surge supressor why its is used in synchronous generators

1115


what is the practical application of full adder circuit?

1049


The windings of a transformer are divided into several coils, because?

272


how can i use REF and diffrencial relay both in 1 CT core for transformer protection?

895


how is positive, negative, zero sequence is happen.. how is effect on 3 phase system

829


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

990


in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer 

823


we have a 2.5hp Starite electric motor water pump,the elec motor burned out,we need to replace starting capacitor(old capacitor specs erased),what microfarad rating capacitor do we need? 110-125V

948