Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Satellite Systems Engineering (106)
Engineering AllOther (1379)

Engineering Interview Questions

Questions Answers Views Company eMail

how a train take turns though there is no differential gear?

2 14928

what is the voltage present in the telephone?

Infosys,

10 13511

why do we connect droop ct{in gensets}in y_phase only

2 8155

HOW DG WORKS ?

3 16867

Does the dg syncronization sucessful in practical.

2 4500

is a normal conductor can be used a core in windings if not what is the winding core speciality.

2 4552

can we light the mercury vapour (tube light)with out a 1).starter and 2).choke in our homes if yes explain how?

5 7802

kindly,plesae tell me # the working of BTS # ITS CARDS SPECIFICATION # WORKING OF TRX,DUPLEXER,ASMA CARDS,FIFA # HOW WE ROUTE TRAFFICS # FLOW OF SMS,HOT CALLS,CALLS ETC

1993

why most of the induction motors are delta connected?

7 27655

Can we connect two or more energy meters/Amp meters on one CT set(Three phase).

Parle, Watermark Engineering,

5 27938

How to calculate the actual 3phase power, if the load current of each phase is not balanced

2 5102

why air handling unit interloking in case of fire

3 6200

How to calculate the KA rating for a circuit breaker if we know the KVA rating of the generator feeding it?

2 18600

1. What is differential relay? How it operates? 2.How to calculate the Short Circuit Impedance in Transformer? 3.What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works? 4. While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply? 5. What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer? 6. Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example? 7. Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient? 8. What should be the minimum and maximum ohmic value for earthing? 9. Why DC Currents are not used in transformer? 10. What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?

2231

11. As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why? 12. How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test? 13. Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV, 20kV, 30kV? 14. Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it? 15. Explain why the Voltage drop will happen in 3 Phase line? 16. What is the equipment used to control the generator output? 17. What are the factors to be considered during the Synchronization? 18. What should be value of Circuit breaker operating time and tripping time? 19. Why the CT Secondary is rated as 5A generally? 20. At which time Synchronous generator act as a Synchronous Condenser?

1 5634

Un-Answered Questions { Engineering }

What is the material consumption- cement,sand,tiles etc for Toilet dado?

7649

Explain the use of fbus protocol?

923

engine so2 farmula

1858

Whats the meanig of ,'K' VALUE in the case of soil.....

1943

How to stop a purifier?

1965

How to Decide(calculate) Bush bar size for copper and aluminiam ?

2074

How to Calibrate Flammable gas detector in field

1141

What Should be the value of Vector Surge angle at Tripping and how to calculate it?

2013

Which two groups of management manages the control organization and what are their responsibilities?

1086

What is grading?

What are digital circuits?

987

what is column foundation

2319

What is the importance of thermostat in the cooling system of an engine?

1041

what is sil (safety integrity level

2680

How many cum of 9.5mm stone in 1 ton ?

2496

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