C Of Q 310T Engine Prep Questions And
Answers
1. bWhich bof bthe bfollowing baccurately bdescribes bengine bdisplacement?!
a. bTotal bpiston bswept bvolume
b. bMean beffective bpressure
c. bPeak bhorsepower
d. bPeak btorque b- bcorrect banswers✔✔a. bTotal bpiston bswept bvolume
2. bEngine bbreathing bin bthe btwo-stroke bcycle bis busually breferred bto bas?!
a. bInertial
b. bScavenging
c. bExhaust bdisplacement b- bcorrect banswers✔✔b. bScavenging
3. bThe btendency bof ban bobject bin bmotion bto bwant bto bstay bin bmotion bis bknown bas?!
a. bKinetic benergy
b. bDynamic bfriction
c. bInertia
d. bMechanical bforce b- bcorrect banswers✔✔c. bInertia
4. bWhen ba bmodern bdiesel bengine bis brunning bat boptimum befficiency, bthe
bpercentage bof brejected bheat
would btypically bbe?!
a. b20%
b. b40%
c. b60%
d. b80% b- bcorrect banswers✔✔c. b60%
5. bWhat bpercentage bof bthe bpotential bheat benergy bof bthe bfuel bdoes bthe bmodern
bdiesel bengine bconvert bto
kinetic benergy bwhen bit bis boperating bclose bto boptimum befficiency?!
a. b20%
b. b40%
c. b60%
d. b80% b- bcorrect banswers✔✔b. b40%
6. bIn bwhich bof bthe bfour bstrokes bof bthe bcycle bis bthe bcylinder bpressure bat bits
bhighest bin ba brunning bdiesel
engine?!
,a. bIntake
b. bCompression
c. bPower
d. bExhaust b- bcorrect banswers✔✔c. bPower
7. bWhere bdoes bscavenging btake bplace bon ba bfour-stroke bcycle bdiesel bengine?!
a. bBDC bafter bthe bpower bstroke
b. bTDC bafter bthe bcompression bstroke
c. bValve boverlap
d. b10 bto b20 bdegrees bATDC bon bthe bpower bstroke b- bcorrect banswers✔✔c. bValve
boverlap
8. bIdeally, bwhere bshould bpeak bcylinder bpressure boccur bduring bthe bpower bstroke?!
a. bTDC
b. b10 bto b20 bdegrees bATDC
c. b90 bdegrees bATDC
d. bAt bgas bblowdown b- bcorrect banswers✔✔b. b10 bto b20 bdegrees bATDC
9. bWhich bof bthe bseven bsubcircuits bof bthe bengine bdeals bwith bthe bcamshaft,
bvalvetrains, band bmechanical
actuation bof binjectors band bfuel bpumping bapparatus?!
a. bPowertrain
b. bFeedback bassembly
c. bLubrication bcircuit
d. bEngine bhousing bcircuit b- bcorrect banswers✔✔b. bFeedback bassembly
10. bWhen brunning ban bengine bat bidle bspeed, bwhich bwould btypically bbe bthe
boptimum blocation bto bpeak bthe
cylinder bpressure?!
a. b20 bdegrees bBTDC
b. b10 bdegrees bBTDC
c. bTDC
d. b15 bdegrees bATDC b- bcorrect banswers✔✔d. b15 bdegrees bATDC
11. bWhen brunning ban bengine bat brated bspeed band bload, bwhich bwould btypically bbe
bthe boptimum blocation bto
peak bthe bcylinder bpressure?!
a. b30 bdegrees bBTDC
b. b15 bdegrees bBTDC
c. bTDC
d. b15 bdegrees bATDC b- bcorrect banswers✔✔b. b15 bdegrees bBTDC
12. bAt bwhich bpoint bin bthe bengine bcycle bdoes bthe bcrank bthrow bleverage bpeak?!
a. bTDC
b. bAround b15 bdegrees bATDC
c. bJust bbefore b90 bdegrees bATDC
, d. bBTDC b- bcorrect banswers✔✔c. bJust bbefore b90 bdegrees bATDC
13. bWhich blaw bstates bthat ball benergy bforms bare bconvertible?! b
a. bThe bfirst blaw bof bthermodynamics
b. bThe bsecond blaw bof bthermodynamics
c. bBoyle's blaw
d. bCharles's blaw b- bcorrect banswers✔✔a. bThe bfirst blaw bof bthermodynamics
14. bThe benergy bof bmotion bis bknown bas?!
a. bInertia
b. bKinetic
c. bThermal
d. bPotential b- bcorrect banswers✔✔b. bKinetic
15. bWhich bof bthe bfollowing bis brequired bto bproduce bpeak btorque bin ba bdiesel
bengine?!
a. bPeak bbrake bpower
b. bPeak bcylinder bpressure
c. bPeak bvolumetric befficiency
d. bPeak bmechanical befficiency b- bcorrect banswers✔✔b. bPeak bcylinder bpressure
16. bWhich bof bthe bfollowing bstatements bhelps bexplain bwhy ban bengine bdevelops
bpeak bbrake bpower bat ba
higher brpm bthan bpeak btorque?!
a. bCylinder bpressures bare bhighest.
b. bMore bpower bstrokes bper bsecond boccur.
c. bMore btime bfor bcombustion.
d. bBetter bvolumetric befficiency bat bhigh brpm. b- bcorrect banswers✔✔b. bMore bpower
bstrokes bper bsecond boccur.
17. bWhich bof bthe bfollowing bis btrue bof ban bengine bdescribed bas bhaving bhigh btorque
brise bwhen bcomparing
it bwith bits bstandard bversion bwith bthe bsame bnominal brated bpower?!
a. bIt bwill bproduce bhigher bbrake bpower.
b. bIt bwill bhave ba bhigher bmaximum bspeed.
c. bIt bwill bprovide ba bwider boperating brpm brange.
d. bIt bwill bbe bmore bfuel befficient. b- bcorrect banswers✔✔c. bIt bwill bprovide ba bwider
boperating brpm brange.
18. bUsable bpower bat bthe bflywheel bof ban bengine bis bknown bas?!
a. bBSFC
b. bBrake bpower
c. bIndicated bpower
d. bTorque b- bcorrect banswers✔✔b. bBrake bpower
19. bWhen bengine bpower bis bcalculated brather bthan btested, bit bis bknown bas?!
Answers
1. bWhich bof bthe bfollowing baccurately bdescribes bengine bdisplacement?!
a. bTotal bpiston bswept bvolume
b. bMean beffective bpressure
c. bPeak bhorsepower
d. bPeak btorque b- bcorrect banswers✔✔a. bTotal bpiston bswept bvolume
2. bEngine bbreathing bin bthe btwo-stroke bcycle bis busually breferred bto bas?!
a. bInertial
b. bScavenging
c. bExhaust bdisplacement b- bcorrect banswers✔✔b. bScavenging
3. bThe btendency bof ban bobject bin bmotion bto bwant bto bstay bin bmotion bis bknown bas?!
a. bKinetic benergy
b. bDynamic bfriction
c. bInertia
d. bMechanical bforce b- bcorrect banswers✔✔c. bInertia
4. bWhen ba bmodern bdiesel bengine bis brunning bat boptimum befficiency, bthe
bpercentage bof brejected bheat
would btypically bbe?!
a. b20%
b. b40%
c. b60%
d. b80% b- bcorrect banswers✔✔c. b60%
5. bWhat bpercentage bof bthe bpotential bheat benergy bof bthe bfuel bdoes bthe bmodern
bdiesel bengine bconvert bto
kinetic benergy bwhen bit bis boperating bclose bto boptimum befficiency?!
a. b20%
b. b40%
c. b60%
d. b80% b- bcorrect banswers✔✔b. b40%
6. bIn bwhich bof bthe bfour bstrokes bof bthe bcycle bis bthe bcylinder bpressure bat bits
bhighest bin ba brunning bdiesel
engine?!
,a. bIntake
b. bCompression
c. bPower
d. bExhaust b- bcorrect banswers✔✔c. bPower
7. bWhere bdoes bscavenging btake bplace bon ba bfour-stroke bcycle bdiesel bengine?!
a. bBDC bafter bthe bpower bstroke
b. bTDC bafter bthe bcompression bstroke
c. bValve boverlap
d. b10 bto b20 bdegrees bATDC bon bthe bpower bstroke b- bcorrect banswers✔✔c. bValve
boverlap
8. bIdeally, bwhere bshould bpeak bcylinder bpressure boccur bduring bthe bpower bstroke?!
a. bTDC
b. b10 bto b20 bdegrees bATDC
c. b90 bdegrees bATDC
d. bAt bgas bblowdown b- bcorrect banswers✔✔b. b10 bto b20 bdegrees bATDC
9. bWhich bof bthe bseven bsubcircuits bof bthe bengine bdeals bwith bthe bcamshaft,
bvalvetrains, band bmechanical
actuation bof binjectors band bfuel bpumping bapparatus?!
a. bPowertrain
b. bFeedback bassembly
c. bLubrication bcircuit
d. bEngine bhousing bcircuit b- bcorrect banswers✔✔b. bFeedback bassembly
10. bWhen brunning ban bengine bat bidle bspeed, bwhich bwould btypically bbe bthe
boptimum blocation bto bpeak bthe
cylinder bpressure?!
a. b20 bdegrees bBTDC
b. b10 bdegrees bBTDC
c. bTDC
d. b15 bdegrees bATDC b- bcorrect banswers✔✔d. b15 bdegrees bATDC
11. bWhen brunning ban bengine bat brated bspeed band bload, bwhich bwould btypically bbe
bthe boptimum blocation bto
peak bthe bcylinder bpressure?!
a. b30 bdegrees bBTDC
b. b15 bdegrees bBTDC
c. bTDC
d. b15 bdegrees bATDC b- bcorrect banswers✔✔b. b15 bdegrees bBTDC
12. bAt bwhich bpoint bin bthe bengine bcycle bdoes bthe bcrank bthrow bleverage bpeak?!
a. bTDC
b. bAround b15 bdegrees bATDC
c. bJust bbefore b90 bdegrees bATDC
, d. bBTDC b- bcorrect banswers✔✔c. bJust bbefore b90 bdegrees bATDC
13. bWhich blaw bstates bthat ball benergy bforms bare bconvertible?! b
a. bThe bfirst blaw bof bthermodynamics
b. bThe bsecond blaw bof bthermodynamics
c. bBoyle's blaw
d. bCharles's blaw b- bcorrect banswers✔✔a. bThe bfirst blaw bof bthermodynamics
14. bThe benergy bof bmotion bis bknown bas?!
a. bInertia
b. bKinetic
c. bThermal
d. bPotential b- bcorrect banswers✔✔b. bKinetic
15. bWhich bof bthe bfollowing bis brequired bto bproduce bpeak btorque bin ba bdiesel
bengine?!
a. bPeak bbrake bpower
b. bPeak bcylinder bpressure
c. bPeak bvolumetric befficiency
d. bPeak bmechanical befficiency b- bcorrect banswers✔✔b. bPeak bcylinder bpressure
16. bWhich bof bthe bfollowing bstatements bhelps bexplain bwhy ban bengine bdevelops
bpeak bbrake bpower bat ba
higher brpm bthan bpeak btorque?!
a. bCylinder bpressures bare bhighest.
b. bMore bpower bstrokes bper bsecond boccur.
c. bMore btime bfor bcombustion.
d. bBetter bvolumetric befficiency bat bhigh brpm. b- bcorrect banswers✔✔b. bMore bpower
bstrokes bper bsecond boccur.
17. bWhich bof bthe bfollowing bis btrue bof ban bengine bdescribed bas bhaving bhigh btorque
brise bwhen bcomparing
it bwith bits bstandard bversion bwith bthe bsame bnominal brated bpower?!
a. bIt bwill bproduce bhigher bbrake bpower.
b. bIt bwill bhave ba bhigher bmaximum bspeed.
c. bIt bwill bprovide ba bwider boperating brpm brange.
d. bIt bwill bbe bmore bfuel befficient. b- bcorrect banswers✔✔c. bIt bwill bprovide ba bwider
boperating brpm brange.
18. bUsable bpower bat bthe bflywheel bof ban bengine bis bknown bas?!
a. bBSFC
b. bBrake bpower
c. bIndicated bpower
d. bTorque b- bcorrect banswers✔✔b. bBrake bpower
19. bWhen bengine bpower bis bcalculated brather bthan btested, bit bis bknown bas?!
