ME 200 FINAL EXAM WITH QUESTIONS
AND CORRECT ANSWERS 2025
How,.do,.we,.treat,.a,.wall,.in,.entropy,.generation,.problems?,.-,.CORRECT,.ANSWER-
Linear,.temperature,.gradient,.OR,.when,.heat,.in,.and,.heat,.out,.are,.the,.same,.(no,.mass,.fl
ow,,.work,.or,.energy,.accumulation),,.you,.can,.treat,.the,.wall,.as,.having,.uniform,.temperat
ure,.(average,.of,.boundary,.temperatures)
What,.can,.we,.assume,.if,.a,.process,.is,.isentropic?,.-,.CORRECT,.ANSWER-Nothing-
adiabatic,.and,.reversible,.imply,.isentropic,.but,.not,.the,.other,.way,.around;,.however,,.any,.
two,.imply,.the,.other,.(i.e,.isentropic,.and,.adiabatic,.imply,.reversible).,.We,.can,.deduce,.this
,.from,.the,.second,.law
Thermal,.efficiency,.___________,.with,.increasing,.compressor,.ratio,.(V1/V2),.-
,.CORRECT,.ANSWER-Increases
Enthalpy,.simplification,.-,.CORRECT,.ANSWER-h=u+pv
What,.does,.an,.internal,.combustion,.(IC),.engine,.cycle,.look,.like?,.-
,.CORRECT,.ANSWER-Piston-cylinder,.device
1,.bar,.=,.________,.kPa,.-,.CORRECT,.ANSWER-100
R,.constant,.in,.good,.units,.-,.CORRECT,.ANSWER-0.287
Incompressible,.-,.CORRECT,.ANSWER-Flow,.in,.which,.specific,.volume,.is,.constant
Incompressible,.assumption,.allows,.for,.what,.equation,.-,.CORRECT,.ANSWER-
P,.Delta,.V,.=,.delta(pv)=vdeltap
Rankine,.components,.-,.CORRECT,.ANSWER-Pump,,.combustion,,.turbine,,.condenser
Ranking,.efficiency,.(ideal),.-,.CORRECT,.ANSWER-(Wt-Wp)/Qin
AND CORRECT ANSWERS 2025
How,.do,.we,.treat,.a,.wall,.in,.entropy,.generation,.problems?,.-,.CORRECT,.ANSWER-
Linear,.temperature,.gradient,.OR,.when,.heat,.in,.and,.heat,.out,.are,.the,.same,.(no,.mass,.fl
ow,,.work,.or,.energy,.accumulation),,.you,.can,.treat,.the,.wall,.as,.having,.uniform,.temperat
ure,.(average,.of,.boundary,.temperatures)
What,.can,.we,.assume,.if,.a,.process,.is,.isentropic?,.-,.CORRECT,.ANSWER-Nothing-
adiabatic,.and,.reversible,.imply,.isentropic,.but,.not,.the,.other,.way,.around;,.however,,.any,.
two,.imply,.the,.other,.(i.e,.isentropic,.and,.adiabatic,.imply,.reversible).,.We,.can,.deduce,.this
,.from,.the,.second,.law
Thermal,.efficiency,.___________,.with,.increasing,.compressor,.ratio,.(V1/V2),.-
,.CORRECT,.ANSWER-Increases
Enthalpy,.simplification,.-,.CORRECT,.ANSWER-h=u+pv
What,.does,.an,.internal,.combustion,.(IC),.engine,.cycle,.look,.like?,.-
,.CORRECT,.ANSWER-Piston-cylinder,.device
1,.bar,.=,.________,.kPa,.-,.CORRECT,.ANSWER-100
R,.constant,.in,.good,.units,.-,.CORRECT,.ANSWER-0.287
Incompressible,.-,.CORRECT,.ANSWER-Flow,.in,.which,.specific,.volume,.is,.constant
Incompressible,.assumption,.allows,.for,.what,.equation,.-,.CORRECT,.ANSWER-
P,.Delta,.V,.=,.delta(pv)=vdeltap
Rankine,.components,.-,.CORRECT,.ANSWER-Pump,,.combustion,,.turbine,,.condenser
Ranking,.efficiency,.(ideal),.-,.CORRECT,.ANSWER-(Wt-Wp)/Qin
