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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what happens if a carbon brush is touching the top end of the commutator

2584

Can we use 11kv Trivector Metre or Energy metre instead 33kv Metre at 33kv Over Head Line metering purpose?

Bhel,

5055

what is insulation percentage of motor 3 phase and singlephase

3659

Hi everyone, I'm Lachuu, recently joined automation company as PLC Engineer. I have certain basic question, I request all big gurus and seniors to answer these question. Because this will be very helpful to me as well starters like me. How to design a control circuit (ex: pick & place - my current project) Yamaha robot PxYx series controller RCX222, using 6 cylinder double acting, plc keyence kv p16r 2 expansion unit for input and output each. How to select panel terminal mcb elcb powersupply. My main concern in some projects how to select dc power supply, mcb rcb(I came across dif bt b c d curves, but stil confusing, pls help me :-(. I would really appreciate all who are going respond to this question.

1050

what is a switchgear. what is its work & where it is used?

4255

if i have to use 14 kw what size of power cable can i use and size of earth cable also.

4179

why dc moter are not earthed ????

5163

can anyone tell me the website for star-delta control diagram?

1968

what is the value of current and voltage that our body can resist ?

4228

what is corona

2755

415v 14kw so can u tell me how i can measure the cable size.then size of the earth also

1172

how will be the capacitance generated in a earthed wire???

2152

how is the leakage current flow only through guard wire (when guard wire is connected in the circuit)????

2513

What is Form factor?

NTPC,

3202

how to control dc motor?

966

Un-Answered Questions { Electrical Engineering }

Why slip ring ind. motor power consumption is low compare to induction motor .same 90 kw motor used same load output

782

what do u understand from filter factor of reactor?

1077

what is earth-fault?when it occurs? to check where it occurs what type of test should we do?

1152

what is package substation.how many types they have

1214

What is meant by a stray loss of a induction motor??? What is the equation to find it

2044

If UG power cable both ends are to be earthed or what? If not why?

1020

which type of questions asking for solar companies?

686

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.

1240

Mention the difference between Analogue and Digital circuit?

172

How is magnetic leakage reduced?

165

how we can come to know that motor winding resistance which showing by DMM is right or wrong???is there any chart or something that we will compare & check???

959

Define the term factor of inertia.

970

explain types of electric welding and its applications

751

Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,

1924

why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%

998