Electrical Engineering Interview Questions
Questions Answers Views Company eMail

ALL HT /LT PANEL TEST? DISCRIPTION.

Essar,

24479

DIFFERNCE BETWEEN DCS AND PLC? HOW IT WORKS?

Essar,

725

How much duration I can keep open the CT if it is under loading condition(100 Amp load)?

NTPC, Suzlon, Infosys,

3 3476




How to reduce the static electricity producing in solvent room? By P.D.Patil BioCon

Biocon,

823

During a temperature rise test of a bus duct, it is fed with 415 volts at 2000 amperes. Why dont we get an electric shock if we touch the bus bars?

ABB, SDBL,

6 7912

how to calculate circuit breaker capacity

Siemens,

5 62134

what is the difference betweem star connected motor & delta connected motor?

13 81774

what is the CT of protection and CT of metering ? what is class 5P10 & 5P20 and class PS ?

ONGC, JEE Main, VRA,

16 103699




it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

TATA,

753

can v rotate single phase induction motor in both the direction...?

1 2663

How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

757

How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

704

how can i select the cable ratings

4 3424

i want to model paper for section engg.

Infosys, RRB,

803

what is the diffrance between earthing and grounding...?

Essar,

6 6439


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Un-Answered Questions { Electrical Engineering }

work of choke in florocent tube circuit ?

793


what is meant by re-rolling motor? how it differs from standard motor?

687


what is mean by parallel operation of permanent magnet generators

673


Why we specify TNC switch with 1NO 1NC ,2NO 2NC ? how we get connection.?

496


3 shows a 415 V, 3-phase generator supplying a 3-phase 415/110 V transformer. Draw the individual and combined impedance diagrams to a base of 10 kVA. Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.

1338






how to carried out tan delta test in 11 KV alternator ?

1652


A ray hit a smooth regular surface at an angle of 20 from the normal. Calculate : 1. The angle btw the incident and reflection ray. 2. The angle of deviation.

676


what is the excess air in furnace

786


According to conduit size which size wiring & how many wires can we provide wires in conduit & how can we select conduit size accordingly?

643


How to calcute the cable size for both HT and LT please specify the formula for that Regards Chethan C

748


How can I calculate per unit (KWH) fuel (Gas/ Diesel both) consumption 1MW unit?

850


what kind of technical test that i need to learn because i have an interview tomorrow.. please someone help me..

690


what is th basic difference between a d latch time line and a d flip flop time line???

725


What is the automatic voltage regulator with servomotor?

806


How many capacitors using in LT panel as per Govt rules?

713