Power Plant Engineering Interview Questions
Questions Answers Views Company eMail

What are the motors used in a thermal power plant? (With type and ht/lt) What voltage levels are used in a thermal power plant?

OPG,

2 9987

what is the meaning of SST300 V56A in SIEMENS turbine

Siemens,

2975

thermal power plants in steam using inlet of turbine.inlet of turbine pressure and flow is same as boiler feedpump why not use direct to turbine?

JSW, IBPIL,

5 8599




What will happen if id fan on boiler not functioning?.Can the Boiler run without id fan? What is the effect?

4 9064

dear sir i have completed one year post diploma certificate in thermal power engineering from national power training institute durgapur ...plz suggest me for power sector job

dbpl,

1196

what is scanner air fan & how dose it work & is there any interlock in power plant

APGenco,

3 14736

During shutdown of Steam Turbine,How do we cross the critical speed?

OPG, Power,

7 11938

If a pump has "N" no .of conections in the discharge. If a connection has a heavy leakage. Then it's motor current get affected or not??

1 1932




I want to build 100 megawatt hydel dam. What does mean, 100 MW per hour? then how many electric bulb of 100 Watts the dam would lit?

1 4851

What is df/dt protection?, How to calculate setting range of 30 MW steam generator???

DS Sugars, MEMF,

1 7053

what is the relation between the grid voltage and generator voltage how to link up generator with grid

NDFL,

3 4587

Need of oxygen dosing in super critical powerplants?

5 6891

63.5 ohm NGR is connected with our gas engine genrator running at 500 rpm, 50 hz and synched with WAPDA at 6.3 KV bus voltages, 2500A and 25KA(1 sec). can some one give me proper calculations how it comes 63.5ohm?????

UET,

2 2163

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

UMT,

1048

what is the real reason than natural draught cooling towers are always in hyperbolic shape

2 5820


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Un-Answered Questions { Power Plant Engineering }

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

1252


what is natural frequency of turbine shaft .

733


voltage and frequency is equal but synchronisation not complete why?

273


our 125 kva DG does not start in AUTO mode works normally in MANUAL mode please give me a solution.....

224


procedure of how to generate power in solar plant.

484






How do you consider that you can improve and what assistance do you need to achieve this

423


how to differentiate between "ALL fuel lost" and "All Fuel Lost" in Boiler MFT condition?

263


what is the basic use of power plant in equipment

322


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

1883


how many safeties should be present in boiler?what are they?

6956


what is the meaning of SST300 V56A in SIEMENS turbine

2975


What is wheel chamber in steam turbine?is it impulse blades are called wheel chamber in the steam turbine?

1840


what's the moog valve

144


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?

447


Why cold water is used for Boiler Hydro test

150