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

Power Plant Engineering Interview Questions

Questions Answers Views Company eMail

why IBD Vent is kept at higher elevation than CBD ?

5 20740

How to decide Heating surface area of boiler on their steam generating capacity?

4 14871

Can any one advised me how we can measure the losses in a 11kV/415v power transformer? We have no access to the incoming mains into the primary of the transformer. Can one derive something useful by measuring temperature rise in the transformer?

Dexdyne,

1 3538

What should be the neutral and body grounding sysytem for grid (132 KV) parallel generators (440 volts)?

Rahimafrooz,

1 5268

explain how the third harmonic content of the magnetising current affects transformer design

3333

explain why direct on line starting toque and current may not be acceptable

Avon Organics,

2 5603

In a coal fired boiler furnace temp. is high but super heater out let temp. low what reason for this?

ABB, Essar, Gayatri,

6 14394

In a thermal power plant ID Fans running with full load but boiler load is only 80 % give reason ?

Essar, Prumatech, Tata Power,

9 20229

what is turn down ratio

4 8958

what is actual CAL MODE & cal means?

GIPCL,

2 10747

line safety is not opening but drum safety opens what to do?

3 7335

1 TPH how many Megawatt ?

Pioneer Labs, PSAL,

5 39248

What is A.T.T.?

4 8964

What are the effects of corona in switch yard.

JSW,

1 3038

.What are the equipments should run when there is a black out in power plant.

5 10471

Post New Power Plant Engineering Questions

Un-Answered Questions { Power Plant Engineering }

operation

1969

what is the meaning of SST300 V56A in SIEMENS turbine

4413

We have Demin Closed cooling water system with expansion tank for cooling oil system. Expansion tank having N2 bladder. Whenever N2 bladder bursts out, Closed cooling water circuit pressure drops and make-up happening, eventhough there is no leaks. And how Circuit pressure drops?

1976

some one can tell me how residual type excitation is provided through transformers to an AC generator without any battery or PMG&excitor

2475

By any way can we increase the B check hours from 300 to 500

2257

why do you consider yourself a suitable candidate for this position

7508

why airtel use + 24 volts and other operators use -48 volt

2700

what does mean by kva rating

1572

why is the in steam turbine axial displacement of active side thrust pad is positive and non active side thrust pad is negative.

3316

What is surging in a centrifugal compressor ? How it occur's ? How is antisurging done ?

2484

LAPT working in alternator / generator

3696

can dp type level transmitter work in under vaccum condition

2029

How to calculate power press toneage

2131

DCS marshaling Cabinet Power supply can be replace during plant running time? Answer Yes it is possible. I am talking about the controller and cards power supply modules. They are always redundant and connected through diode so that if one power supply fails the other can take the charge immediately.so it is possible to replace one of them in running plant if the other one is healthy. MY question is how switching done.

1051

What is difference between secondary Air & Tertiary Air and Their use.?

2067

For More Un-Answered { Power Plant Engineering } Questions Click Here