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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

In my power station 220 volts dc battery set. they coneected 84th cell taped

KPTCL,

1 2167

Safety devices in SF6 Circuit Breaker?

DELL,

1 2882

Welding machine

CEL,

1 2434

how many joints are allowed in underground HT cable of 1 KM

1833

We need to current density & short circuit calculation at 65kA for aluminium & copper busbar.

1699

In CTs tan delta point should be earthed , what is the reason behind it?

2977

solar inverters was not connected to the nuteral link .this nutwral possible to any other systems

1830

they transformer oil leakeage to beather tank and top parts . they protection relayes was not operated.what is the oil leakeage problem.

1 2371

What is the Difference between Power Swing and Out of Step?

1 2764

On Which Pressure PRV is operated.

AEPL,

1685

How much amperes needed for starting of 4HP motor?

CM Smith Sons,

1 2322

When color of silica gel will gets change from blue to pink from Top to bottom?

1561

If Neutral Grounding Resistor (GR) failed/shorted. Is it repairable.

1576

three owners X, Y, z owned some tractors with them, on the first month x gave away the same amount of tractors to y and z ( as much as they possed), similarly in the 2nd month y gave of to x and z similarly by third month z gave to x and y. after this all X, Y, Z had 24 tractors each.

econ,

2 8583

What is reactance, reluctance,capistance, pls give answeer in hinglish and be simply Jo asani we smajh m aa jaye

2066


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?

1098


hi all i like to know vat is power plot in control systems also i want to know abt latest trends in electrical & electronics

1903


what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks

2179


how circuit breaker work.. what is the operations taking place inside a circuit breaker when an overcurrent occurs... is it similar to fuse?

2035


I COMPLITED MY B.TECH AND 10TH CLASS WITH 70%MARKS BUT 12TH CLASS 55%MARKS..CAN I GET INDIAN RAILWAY RECUREMENT EXAMINATION?

2147


I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.

1662


size of condotory fron voltage level

2176


What is an ac motor?

1217


what is load vs Torque curve & why it is used?

2026


What is the important precuations need tocarried out while working with Electrolite in Battery PM?

1861


How to know the following data of synchronous generator 1. D-Axis Unsaturated Reactance 2. D-Axis Unsaturated Transient Reactance 3. D-Axis Unsaturated Sub - Transient Reactance

1944


What are the protection required for Transformer, motor, Line, Generator, capacitor, that all i have to refer which standard?(Like Transformer detail IS 2026)

1949


Where I can get the sample question for post of Junior engineer electrical-II For RRB Bhubaneswar.

2145


what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.

2157


Draw torque - speed curve and load curve of induction motor? mark operating point ?

2013