AMS 274 Turbines Final Exam Questions With Correct Answers.

AMS /




274
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Turbines
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Final Exam Questions With Correct Answers
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If //the //anti-
ice /
/air /


/valve /


/is /


/open /


/what /


/happens /


/to //EGT? //- //correct //answer(s) //✔✔ //EGT //increases //(tachometer //and //EPR //also //shift)




How /
/do /


/you //calculate //EPR? //- //correct //answer(s) //✔✔ //Turbine //discharge/Compressor //inlet //pressure




What /
/are /


/the /


/most /


/common //type //of //thermocouples //used? //- //correct //answer(s) //✔✔ //Chromel/Alumel //(CA)




What //do //the //older //style //APUs //have //in //them? //- //correct //answer(s) //✔✔ //Governors



What /
/is //the //typical //gear //down //ratio //for //pneumatic //starters? //- //correct //answer(s) //✔✔ //25:1

, What //is //the //starting //sequence //for //turbine //engines? //- //correct //answer(s) //✔✔ //Starter //--
> //Ignition //--> //Fuel



you /
/hear //


a/
/clicking /


/noise //from //the //pneumatic //starter //it //indicates: //- //correct //answer(s) //✔✔ //The //pawls //re-


engaging //(normal)



Typical /
/air //flow //in //a //pneumatic //starter: //- //correct //answer(s) //✔✔ //Air //flows //into //the //starter //--


> //Stator //vanes //(designed //to //choke //in //order //to //prevent //overspeed) //--> //Turbine



What //was //Whittle //famous //for? //- //correct //answer(s) //✔✔ //Invented //the //jet //engine



What /
/are /


/the //


4/
/types //of //gas //turbines //and //typical //aircraft //they //are //found //on: //- //correct //answer(s) //✔✔ //1.


//Turbojet //(supersonic)



2. //Turbofan //(large //commercial)

3. //Turboprop //(larger //GA)

4. //Turboshaft //(helicopters)



What /
/is /


/the /


/Brayton /