Engineering Interview Questions
Questions Answers Views Company eMail

Where earth point should provided in Ships or Submirines.

SSC,

2 2804

How to calculate the cable size (XLPE)for suitable to 120KW load (if Motor or heaters etc)

SSC,

4 10132

What are the protections used in a HT breaker to protect the HT motors.

2 15877




How the cable size for a motor is decided

NTPC,

14 22455

one kva is equal to how much amps?

14 46381

An electronic p controller has an input range of 1-5v, and output range of 4-20mA, while testing a step change of 0.4 was applied at the input , the PB setting was 50% ,what should be the change in the output ?

Reliance,

1 3471

WHAT WILL BE THE SPEED OF MOTOR IF NO.OF POLES ON STATOR ARE NOT EQUAL TO NO. OF POLES ON ROTOR.???

4 4501

which protection are used for turbo generator in thermal power plant.

Grasim,

1 5492

How can we get a Neutral from a three phase suply? If we meet all three phases at a point to take neutral then why dont thay get sparked?

1 3561

WHAT IS RESISTOR?

8 5559

How can we increase the capacity of Energy.?

919

How does a battary stores charge in it? please explain in simple manner and in detail.thanks

838

explain comutator action in detail.thanks

829

how to calculate power factor rating according to load? please give the answer in simple language, i'm not electrical side

2 2942

pls send my id for supervisor model paper qustion

Bhel,

958







Un-Answered Questions { Engineering }

we have two generators different capacity on 15 MW and other 6MW at 11 KV , 15 MW gen. bus short level current 40KA,and 6MW short level current 25KA,, length of cable 100MTR between 6 MW from 15MW gen. for bus coupling . kindly tell any one can we use both NGR OR one NGR from any GEN. BOTH NGR has diff. rating. Tariq pakistan

477


how we start 40w tube light with 4 diodes,2capacitors,1 choke and without starter.(a product avilable in market which lights burnt tube lights also)

901


CAN ANY ONE TELL ME WHEN WILL CONDUCT ASSISTANT MOTOR VEHICLE INSPECTOR /RTO APPLICATIONS WILL RELEASE

785


How will you calibrate PID controller? explain with example.

1240


HOW CAN I WRITE the SCENARIO , USE CASE , Hierarchical Task Analysis AND PLAN FOR ATM ? URGENT

1108






Why use -48v power to BTS

839


explain the advantages of power factor correction is an RLC circuit for a commercial customer, include tarifs..

3304


How can i test procedure grounding for CAT-7 cable? Or How can we test procedure CAT-7 Cable Electrically safe?

1742


what is water consumption rate of water to condense one ton steam in condensor.

501


List three types Level Transmitters with their working principles

938


if main CT is of ratio 50/5, and meter CT is -/5 what will be overall multiplying factor of meter.PT is 11000/110 .

442


can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.

924


How to design a Unit auxiliary transformer for a power house having a unit of 65 MW and Generating voltage of 11 KV and Secondary voltage of 433V

751


Which of the following alternatives will be cheaper (1) A 100 h.p AC, 3-phase motor (2) Four motors of 25 h.p each (3) Five motors of 20 h.p each (4) 10 motors of 10 h.p each explain

1272


what is the main parts of transformer? how it is functioning? pls giv the ans briefly.

729