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AUTO 2 MIDTERM STUDY GUIDE QUESTIONS WITH COMPLETE ANSWERS.
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AUTO 2 MIDTERM STUDY GUIDE QUESTIONS WITH COMPLETE ANSWERS.
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AUTO 2 MIDTERM STUDY GUIDEQUESTIONS WITH COMPLETE
ANSWERS
4 ff- ffAnswer ffIn ffa fftypical ffgasoline-powered ffautomobile ffengine, ffhow ffmany ffpiston
ffstrokes ffmake ffup ffa ffcomplete ffcycle?
Short ffblock ff- ffAnswer ff___________ ffis ffanother ffname ffused ffto ffdescribe ffthe
ffengine ffbottom ffend
Wrist ffpin ff- ffAnswer ffThe ffpiston ffis ffmounted ffto ffthe ffconnecting ffrod ffby ffthe
ff_________
2 ff- ffAnswer ffPistons fftypically ffuse ff______ ffcompression ffrings ffand ffone ffoil ffring
Camshaft fflocation, ffnumber ffof ffcylinders, fffuel fftype ff- ffAnswer ffList ffsome ffcommon
ffways ffto ffclassify ffengines
1 ff- ffAnswer ffA ffslant ffengine ffhas ff_______ ffbank(s) ffof ffcylinders
Alternative ff- ffAnswer ffAny ffvehicle ffengine ffthat ffis ffnot ffan ffinternal ffcombustion, fffour-
stroke ffcycle, ffreciprocating ffpiston fftype ffis ffclassified ffas ffa(n) ff________________
ffengine
Lifter ff- ffAnswer ffIn ffa ffcam-in-block ffengine, ffthe ffpart ffof ffthe ffvalve fftrain ffriding
ffdirectly ffon ffthe ffcam ffis ffthe ff________
Aluminum, ffcopper, ffbabbitt ff- ffAnswer ffWhat ffkind ffof ffmetals ffare ffplayed ffover ffa ffsteel
ffbacking fffor ffuse ffas ffan ffengine ffbearing?
Chained ff- ffAnswer ffThe ffmost ffcommon fftype ffof ffcan ffdrive ffon ffcam-in-block ffengines
ffis ffthe fftiming
Harmonic ffbalancer ff- ffAnswer ffThe ff_________ ffis ffa ffheavy ffwheel ffmounted ffon ffa
ffrubber ffring ffand ffkeyed ffto ffthe ffcrankshaft ffsnout
, Neither ffis ffcorrect ff- ffAnswer ffTech ffA ffsays ffthat fftiming ffmarks ffare ffnot ffnecessary
ffwhen ffa fftiming ffbelt ffis ffused. ffTech ffB ffsays ffthat fftiming ffmarks ffare ffunnecessary
ffonly ffwith fftiming ffgears. ffWho ffis ffright
Brake ffhorsepower ff- ffAnswer ffWhich ffof ffthe ffitems ffbelow ffis ffa ffmeasurement ffof ffthe
ffuseable ffhorsepower ffat ffthe ffengine ffcrankshaft
20% ff- ffAnswer ffAfter ffsubtracting ffvarious fflosses ffto fffriction, ffexhaust, ffext., ffwhat
ffpercent ffof ffthe fffuel's ffheat ffenergy ffis ffleft ffto ffdo ffuseful ffwork?
It ffkeeps ffthe ffengine fffrom ffreaching ffoperating fftemperature fftoo ffquickly ff- ffAnswer
ffWhich ffof ffthe fffollowing ffis ffnot ffa fftrue ffstatement ffabout ffthe fffunctions ffof ffa ffcooling
ffsystem
15-22 ff- ffAnswer ffTypical ffradiator ffcap ffpressure ffin ffan ffautomotive ffcooling ffsystem ffis
ff__________ ffpsi
Thermal ffswitch ff- ffAnswer ffAn ffelectric ffengine fffan ffis ffcontrolled ffby ff__________
50/50 ff- ffAnswer ffThe ffcorrect ffcoolant/antifreeze ffmixture fffor ffuse ffin ffmost ffvehicles ffis
ff___________
Rust ff- ffAnswer ffWhat ffis ffthe ffmost ffcommon ffcause ffof fffreeze
Cutting ffpower ffloss; ffincreasing ffduel ffeconomy ff- ffAnswer ffWhich ffof ffthe fffollowing ffis
ffnot ffa fffunction ffof ffthe fflubrication ffsystem
PCV ff- ffAnswer ffThe ff_____________ ffis ffa ffpollution-preventive ffdevice ffin ffthe
fflubrication ffsystem
40-60 ff- ffAnswer ffOil ffpressure ffshould ffbe ffapproximately ff_____ ffpsi ffat ffcruising
ffspeeds
Wider ffspark ffplug ffgap ff- ffAnswer ffWhat ffkind ffof ffengine ffmodifications ffhelp ffto fflower
ffexhaust ffemissions
Positive ffcrank ffcase ffventilation ff- ffAnswer ffThe ffabbreviation ffPCV ffstands fffor ff___
All ffof ffthe ffabove ff- ffAnswer ffA ffhigh ffcarbon ffmonoxide ffreading fffrom ffan ffexhaust
ffanalyzer ffindicates ffthat ff____
Oil ffin ffcoolant ff- ffAnswer ffWhich ffof ffthe ffitems fflisten ffbelow ffis ffnormally ffnot ffan
ffengine ffproblem
10 ff- ffAnswer ffCompression ffreadings fffor ffall ffcylinders ffof ffa ffgasoline ffengine ffmust
ffbe ffwithin ff___ ffpercent ffof ffeach ffother
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