Postal Automotive Technician Exam 944 with
correct answers
1. nnThe nnvibration nndamper nnon nnan nnauto nnengine nnis nnfastened nnto nnthe nn- nncorrect nnanswer-Crankshaft
2. nnMost nnsmall nngas nnengines nnuse nna nn_________ nnignition nnsystem nn- nncorrect nnanswer-Magneto
3. nnIcing nnoccurs nnmost nnoften nn- nncorrect nnanswer-On nncool nndamp nndays
4. nnThe nnfunction nnof nnthe nnfloat nnin nna nncarburetor nnis nntwo nn- nncorrect nnanswer-Close nnthe nnneedle nnvalve
5. nnTo nnimprove nnstability nnwhen nncornering nnmanufactures nnadded nna nndevice nnto nncars nncalled nn- nncorrect
nnanswer-Stabilizer nnbar
6. nnadjustment nnof nnthe nnrods nnon nna nncar nnwill nnaffect nn- nncorrect nnanswer-Toe-in
7. nnA nnrestriction nnin nnthe nnexhaust nnsystem nnis nnindicated nnon nna nnvacuum nngauge nnby nna nn- nncorrect
nnanswer-gradual nndecrease nnin nnreading
8. nnDisc nnbrakes nnon nna nncar nnhave nna nndistinct nnadvantage nnover nnconventional nndrum nnbrakes nnin nnthat
nnthey nn- nncorrect nnanswer-Fade nnLess nnwhen nnhot
9. nnIn nna nndiesel nnengine, nnthe nnfuel nnis nnignited nnby nnthe nn- nncorrect nnanswer-Heat nnof nncompression
10. nnEngine nntiming nnis nngenerally nnset nnby nnusing nna nn- nncorrect nnanswer-Strobe nnlight
11. nnIf nnan nnengine nnis nnoperating nnfor nnlong nnperiods nnof nntime nnat nnpart nnthrottle nnopening nnthe nn- nncorrect
nnanswer-Spark nnplugs nnwill nnbecome nncovered nnwith nncarbon
, 12. nnLeaking nnintake nnvalve nnguides nnwill nncause nn- nncorrect nnanswer-Excessive nnoil nnconsumption
13. nnFlooding nnof nna nncarburetor nnis nngenerally nncaused nnby nn- nncorrect nnanswer-A nnstuck nnfloat nnneedle
nnvalve
14. nnOn nnmany nncars nnthe nnfuel nnpump nnis nncombined nnwith nnthe nn- nncorrect nnanswer-vacuum nnpump
15. nnCorbon nnfouling nnof nna nnspark nnplug nnis nnan nnindication nnof nn- nncorrect nnanswer-To nnrich nna nnmixture
16. nnIf nna nntest nnshows nnthat nngenerator nnoutput nnis nnexcessive nneven nnafter nnthe nnF nnTerminal nnhas nnbeen
nndisconnected nnthe nntrouble nnmay nnbe nntraced nnto nn- nncorrect nnanswer-The nngenerator
17. nnAn nnautomobile nnalternator nnconverts nnalternating nncurrent nnto nndirect nncurrent, nnby nnmeans nnof nn-
nncorrect nnanswer-Silicon nndiodes
18. nnHard nnstarting nnis nnvery nnoften nncaused nnby nn- nncorrect nnanswer-Improper nnchoke nnoperation
19. nnA nncar nnwith nna nnhistory nnof nnburned nnpoints nnwould nnprobably nnindicate nn- nncorrect nnanswer-Too nnhigh
nnsetting nnof nnthe nnvoltage nnregulator
20. nnWhen nnit nnis nnnecessary nnto nnrecondition nnbrake nndrums, nnthe nnmaximum nnallowable nnamount nnof nnthe
nnoversize nnis__________ nninches nn- nncorrect nnanswer-.060
21. nnThe nnamount nnof nnair nnfuel nnmixture nntaken nninto nnthe nncylinder nnon nnthe nnintake nnStroke nnis nna
nnmeasure nnof nnthe nnengines. nn- nncorrect nnanswer-Volumetric nnefficiency
22. nnWelch nnplugs nnare nninstalled nnon nnengines nnto nnprovide nn- nncorrect nnanswer-A nnmeans nnof nnremoving
nnthe nnsand nnafter nnthe nnengine nnis nncast
23. nnThe nntwo nncycle nnengine nnproduces nna nnpower nnstroke nnwith nnevery_________
Of nnthe nncrankshaft. nn- nncorrect nnanswer-Revolution
correct answers
1. nnThe nnvibration nndamper nnon nnan nnauto nnengine nnis nnfastened nnto nnthe nn- nncorrect nnanswer-Crankshaft
2. nnMost nnsmall nngas nnengines nnuse nna nn_________ nnignition nnsystem nn- nncorrect nnanswer-Magneto
3. nnIcing nnoccurs nnmost nnoften nn- nncorrect nnanswer-On nncool nndamp nndays
4. nnThe nnfunction nnof nnthe nnfloat nnin nna nncarburetor nnis nntwo nn- nncorrect nnanswer-Close nnthe nnneedle nnvalve
5. nnTo nnimprove nnstability nnwhen nncornering nnmanufactures nnadded nna nndevice nnto nncars nncalled nn- nncorrect
nnanswer-Stabilizer nnbar
6. nnadjustment nnof nnthe nnrods nnon nna nncar nnwill nnaffect nn- nncorrect nnanswer-Toe-in
7. nnA nnrestriction nnin nnthe nnexhaust nnsystem nnis nnindicated nnon nna nnvacuum nngauge nnby nna nn- nncorrect
nnanswer-gradual nndecrease nnin nnreading
8. nnDisc nnbrakes nnon nna nncar nnhave nna nndistinct nnadvantage nnover nnconventional nndrum nnbrakes nnin nnthat
nnthey nn- nncorrect nnanswer-Fade nnLess nnwhen nnhot
9. nnIn nna nndiesel nnengine, nnthe nnfuel nnis nnignited nnby nnthe nn- nncorrect nnanswer-Heat nnof nncompression
10. nnEngine nntiming nnis nngenerally nnset nnby nnusing nna nn- nncorrect nnanswer-Strobe nnlight
11. nnIf nnan nnengine nnis nnoperating nnfor nnlong nnperiods nnof nntime nnat nnpart nnthrottle nnopening nnthe nn- nncorrect
nnanswer-Spark nnplugs nnwill nnbecome nncovered nnwith nncarbon
, 12. nnLeaking nnintake nnvalve nnguides nnwill nncause nn- nncorrect nnanswer-Excessive nnoil nnconsumption
13. nnFlooding nnof nna nncarburetor nnis nngenerally nncaused nnby nn- nncorrect nnanswer-A nnstuck nnfloat nnneedle
nnvalve
14. nnOn nnmany nncars nnthe nnfuel nnpump nnis nncombined nnwith nnthe nn- nncorrect nnanswer-vacuum nnpump
15. nnCorbon nnfouling nnof nna nnspark nnplug nnis nnan nnindication nnof nn- nncorrect nnanswer-To nnrich nna nnmixture
16. nnIf nna nntest nnshows nnthat nngenerator nnoutput nnis nnexcessive nneven nnafter nnthe nnF nnTerminal nnhas nnbeen
nndisconnected nnthe nntrouble nnmay nnbe nntraced nnto nn- nncorrect nnanswer-The nngenerator
17. nnAn nnautomobile nnalternator nnconverts nnalternating nncurrent nnto nndirect nncurrent, nnby nnmeans nnof nn-
nncorrect nnanswer-Silicon nndiodes
18. nnHard nnstarting nnis nnvery nnoften nncaused nnby nn- nncorrect nnanswer-Improper nnchoke nnoperation
19. nnA nncar nnwith nna nnhistory nnof nnburned nnpoints nnwould nnprobably nnindicate nn- nncorrect nnanswer-Too nnhigh
nnsetting nnof nnthe nnvoltage nnregulator
20. nnWhen nnit nnis nnnecessary nnto nnrecondition nnbrake nndrums, nnthe nnmaximum nnallowable nnamount nnof nnthe
nnoversize nnis__________ nninches nn- nncorrect nnanswer-.060
21. nnThe nnamount nnof nnair nnfuel nnmixture nntaken nninto nnthe nncylinder nnon nnthe nnintake nnStroke nnis nna
nnmeasure nnof nnthe nnengines. nn- nncorrect nnanswer-Volumetric nnefficiency
22. nnWelch nnplugs nnare nninstalled nnon nnengines nnto nnprovide nn- nncorrect nnanswer-A nnmeans nnof nnremoving
nnthe nnsand nnafter nnthe nnengine nnis nncast
23. nnThe nntwo nncycle nnengine nnproduces nna nnpower nnstroke nnwith nnevery_________
Of nnthe nncrankshaft. nn- nncorrect nnanswer-Revolution
