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310T Exam - Electronical and Electrical Systems questions with answers, Exams of Electrical and Electronics Engineering

Princeton UniversityElectrical and Electronics Engineering

310T Exam - Electronical and Electrical Systems questions with answers

Typology: Exams

2025/2026

Available from 03/17/2026

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310T |\Exam |\- |\Electronical |\and |\
Electrical |\Systems |\questions |\
with |\answers
1. |\When |\trouble |\shooting |\an |\electrical |\engine |\or |\transmission, |\
what |\else |\might |\be |\require?
a. |\Test |\lamp
b. |\Break |\out |\box
c. |\Continuity |\tester
d. |\Ohm |\meter |\- |\CORRECT |\ANSWERS |\✔✔b. |\break |\out |\box
2. |\An |\electronically |\equipped |\vehicle |\over |\heats, |\the |\engine |\fan |\
will |\no |\engage |\upon |\engine |\ECM
request. |\What |\is |\likely |\the |\issue?
a. |\Relay |\contacts |\burnt
b. |\Open |\in |\the |\relay
c. |\Solenoid |\open-circuit
d. |\Solenoid |\seized |\- |\CORRECT |\ANSWERS |\✔✔b. |\open |\in |\the |\
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Download 310T Exam - Electronical and Electrical Systems questions with answers and more Exams Electrical and Electronics Engineering in PDF only on Docsity!

310T |\Exam |- |\Electronical |\and |\

Electrical |\Systems |\questions |\

with |\answers

  1. |\When |\trouble |\shooting |\an |\electrical |\engine |\or |\transmission, | what |\else |\might |\be |\require? a. |\Test |\lamp b. |\Break |\out |\box c. |\Continuity |\tester d. |\Ohm |\meter |- |\CORRECT |\ANSWERS |\✔✔b. |\break |\out |\box
  2. |\An |\electronically |\equipped |\vehicle |\over |\heats, |\the |\engine |\fan | will |\no |\engage |\upon |\engine |\ECM request. |\What |\is |\likely |\the |\issue? a. |\Relay |\contacts |\burnt b. |\Open |\in |\the |\relay c. |\Solenoid |\open-circuit d. |\Solenoid |\seized |- |\CORRECT |\ANSWERS |\✔✔b. |\open |\in |\the | relay
  1. |\When |\performing |\a |\test |\on |\the |\stator, |\there |\is |"zero-ohms" | measured |\between |\the |\windings end |\and |\the |\stator |\frame. |\What |\should |\be |\done? a. |\Replace |\the |\stator b. |\Re-solder |\windings c. |\Install |\new |\brushes d. |\Increase |\the |\voltage |- |\CORRECT |\ANSWERS |\✔✔a. |\Replace | the |\stator
  2. |\Alternator |\rings |\are |\pitted |\but |\can |\be |\repaired, |\what |\procedure |\should |\be |\done? a. |\Polish |\with |\a |\crocus |\cloth b. |\Smooth |\with |\fine |\sandpaper c. |\Replace |\slip |\rings d. |\Install |\new |\brushes |\as-is |- |\CORRECT |\ANSWERS |\✔✔a. |\polish |\for |\a |\crocus |\cloth
  3. |\What |\procedure |\should |\be |\followed |\when |\repairing |\multiple | wires |\within |\a |\short |\section |\of |\a wiring |\harness? a. |\Twist |\wires |\together b. |\Twist |\and |\tape |\connections c. |\Solder |\wires |\in |\parallel

a. |\Voltmeter b. |\Test |\light c. |\Oscilloscope d. |\Ohmmeter |- |\CORRECT |\ANSWERS |\✔✔d. |\Ohmmeter

  1. |\In |\order |\to |\properly |\repair |\wiring, |\what |\is |\the |\proper | procedure? a. |\Solder |\with |\a |\resin |\core, |\then |\heat |\shrink b. |\Solder |\with |\an |\acid |\core, |\then |\heat |\shrink c. |\Butt |\splice d. |\Butt |\connectors |- |\CORRECT |\ANSWERS |\✔✔a. |\Solder |\with |\a | resin |\core, |\then |\heat |\shrink
  2. |\Alternator |\output |\is |\low, |\what |\should |\be |\checked |\first? a. |\Voltage |\regulator b. |\Diode |\trio c. |\Commutator d. |\Slip |\ring |- |\CORRECT |\ANSWERS |\✔✔a. |\Voltage |\regulator
  3. |\What |\turns |\the |\three-phase |\alternating |\current |\into |\Direct | current |\in |\a |\alternator? a. |\Voltage |\regulator

b. |\Slip |\rings c. |\Stator d. |\Diode |\trio |- |\CORRECT |\ANSWERS |\✔✔d. |\diode |\trio

  1. |\Upon |\disassembly, |\a |\no-operating |\starter |\has |\loose |\solder | particles |\escaping. |\What |\is |\likely the |\cause? a. |\Over-speed b. |\Low |\battery |\voltage c. |\Defective |\solenoid d. |\Excessive |\voltage |- |\CORRECT |\ANSWERS |\✔✔b. |\low |\battery | voltage
  2. |\A |\starter |\solenoid |\provides |\a |\chattering |\sounds |\while | activated, |\what |\is |\this |\likely |\a |\cause |\of? a. |\Open |\circuit |\within |\the |\starter b. |\Defective |\solenoid c. |\Open |\circuit |\within |\the |\hold |\in |\windings d. |\Low |\battery |\voltage |- |\CORRECT |\ANSWERS |\✔✔d. |\Low | battery |\voltage
  3. |\What |\is |\the |\correct |\procedure |\when |\testing |\for |\cranking | amperage |\using |\an |\inductive |\pick |\up?

d. |\Check |\all |\fuses |\or |\circuit |\breakers |- |\CORRECT |\ANSWERS | ✔✔c. |\Using |\a |\scan |\tool, |\or |\a |\PC |\check |\for |\historic |\fault |\codes

  1. |\When |\testing |\the |\stator |\of |\an |\alternator, |\a |\reading |\of |\zero | ohms |\would |\indicate |\what? a. |\A |\short |\within |\the |\windings b. |\An |\open |\within |\the |\windings c. |\A |\good |\circuit d. |\A |\failed |\voltage |\regulator |- |\CORRECT |\ANSWERS |\✔✔a. |\A | short |\within |\the |\windings
  2. |\The |\purpose |\of |\a |\diode |\within |\an |\electrical |\circuit |\is? a. |\To |\regulate |\the |\voltage b. |\To |\provide |\good |\ground |\connections c. |\Provide |\a |\one |\way |\path d. |\To |\increase |\amperage |- |\CORRECT |\ANSWERS |\✔✔C. |\Provide |\a |\one |\way |\path
  3. |\When |\testing |\a |\databus |\backbone, |\which |\of |\the |\following | would |\indicate |\proper |\wiring? a. |\A |\resistance |\of |\ 60 |\ohms b. |\A |\ 100 |\volt |\supply c. |\A |\ 24 |\volt |\supply

d. |\A |\resistance |\of |\ 120 |\ohms |- |\CORRECT |\ANSWERS |\✔✔a. |\A | resistance |\of |\ 60 |\ohms

  1. |\During |\a |\load |\test, |\the |\battery |\voltage |\should |\not |\drop |\below | what |\voltage |\when |\the |\battery temperature |\is |\ 70 |\degrees |\Fahrenheit? a. |\12.7v b. |\9.0v c. |\10.2v d. |\9.6v |- |\CORRECT |\ANSWERS |\✔✔D. |\9.6v
  2. |\If |\a |\truck |\trailer |\combination |\had |\all |\the |\trailer |\lights | flickering |\while |\running |\down |\the |\road but |\the |\truck |\lights |\worked |\normally, |\what |\would |\be |\the |\cause? a. |\Open |\ground |\in |\the |\trailer |\cord b. |\A |\break |\in |\the |\yellow |\wire |\in |\the |\trailer |\cord c. |\Wrong |\fuse |\installed d. |\Bad |\tail |\light |\ground |- |\CORRECT |\ANSWERS |\✔✔a. |\Open | ground |\in |\the |\trailer |\cord
  3. |\A |\voltage |\drop |\reading |\of |\0.1 |\volts |\on |\the |\ground |\side |\of |\a | starter |\circuit |\could |\indicate? a. |\A |\properly |\operating |\ground |\cable
  1. |\What |\would |\cause |\a |\starter |\to |\be |\moving |\in |\and |\out |\when | engaged? a. |\Pull |\in |\windings |\are |\open b. |\Shift |\fork |\is |\bent c. |\Hold |\in |\windings |\are |\open d. |\Overrunning |\Clutch |\is |\seized |- |\CORRECT |\ANSWERS |\✔✔c. | Hold |\in |\windings |\are |\open
  2. |\What |\is |\the |\proper |\procedure |\to |\repair |\a |\battery |\cable? a. |\Cut, |\strip, |\crimp b. |\Cut, |\strip, |\crimp, |\solder c. |\Cut, |\crimp, |\shrink d. |\Cut, |\butt |\connector, |\post |- |\CORRECT |\ANSWERS |\✔✔b. |\Cut, |\strip, |\crimp, |\solder
  3. |\What |\is |\the |\proper |\way |\to |\test |\a |\wheel |\speed |\sensor? a. |\DMM |\for |\voltage |\as |\you |\spin |\the |\wheel b. |\DMM |\for |\resistance |\as |\you |\spin |\the |\wheel c. |\Diode |\test d. |\Voltage |\drop |\test |- |\CORRECT |\ANSWERS |\✔✔a. |\DMM |\for | voltage |\as |\you |\spin |\the |\wheel
  1. |\How |\do |\you |\properly |\repair |\a |\CAN-Line? a. |\cut, |\strip, |\solder, |\tape b. |\Cut, |\strip, |\stagger |\splices, |\mimic |\twist |\rate, |\heat |\shrink c. |\Cut, |\strip, |\butt |\connector d. |\Cut, |\strip, |\solder, |\wrap |- |\CORRECT |\ANSWERS |\✔✔b. |\Cut, | strip, |\stagger |\splices, |\mimic |\twist |\rate, |\heat |\shrink Terminals |\of |\the |\ 9 |\pin |\Deutsch |\connector |\shows |\infinite | resistance |\on |\the |\j1939 |\circuit. |\What is |\the |\likely |\reason? a. |\Nothing, |\this |\is |\normal b. |\An |\open |\in |\the |\circuit c. |\A |\Short |\in |\the |\circuit d. |\J1708 |\data |\bus |\present |- |\CORRECT |\ANSWERS |\✔✔no | answer |\in |\book
  2. |\A |\fuel |\gauge |\is |\constantly |\showing |\full, |\even |\after |\you |\have | driven |\a |\reasonable |\amount, |\what could |\be |\the |\cause? a. |\Float |\is |\stuck |\in |\the |\full |\position b. |\Low |\resistance |\in |\the |\fuel |\sending |\unit |\circuit

c. |\1. d. |\1.200 |- |\CORRECT |\ANSWERS |\✔✔A. |\1.

  1. |\What |\is |\the |\final |\step |\after |\repairing |\an |\ABS |\sensor |\wire? a. |\Road |\test b. |\Record |\service |\data c. |\Clear |\fault |\codes d. |\Install |\sensor |- |\CORRECT |\ANSWERS |\✔✔b. |\Record |\service | data
  2. |\Paint |\located |\between |\the |\battery |\ground |\terminal |\and |\frame | on |\a |\truck |\would |\likely |\cause? a. |\High |\resistance |\on |\the |\ground |\side |\of |\the |\starter |\circuit b. |\It |\would |\not |\effect |\anything c. |\The |\truck |\would |\rollover |\but |\not |\start d. |\High |\resistance |\in |\the |\positive |\side |\of |\the |\starter |\circuit |- | CORRECT |\ANSWERS |\✔✔a. |\High |\resistance |\on |\the |\ground |\side | of |\the |\starter |\circuit
  3. |\A |\diode |\that |\shows |\a |\reading |\of |\O.L |\in |\both |\directions |\when | measured |\with |\a |\DVOM |\would indicate |\what |\about |\that |\diode? a. |\There |\is |\a |\short |\in |\the |\diode

b. |\There |\is |\an |\open |\in |\the |\diode c. |\This |\is |\the |\proper |\function |\of |\a |\diode d. |\The |\DVOM |\is |\faulty |- |\CORRECT |\ANSWERS |\✔✔b. |\There |\is | an |\open |\in |\the |\diode

  1. |\A |\truck |\charges |\14.5 |\volts |\at |\idle |\with |\no |\electrical |\loads |\on | but |\once |\the |\lights |\and |\heater |\fans are |\turned |\on |\high |\the |\voltage |\drops |\to |\12.8 |\volts. |\Which |\of |\the | following |\could |\be |\the |\cause? a. |\Open |\in |\the |\field |\winding b. |\Regulator |\full |\fielding c. |\Brush |\wire |\is |\burnt |\open d. |\Alternator |\belt |\is |\slipping |- |\CORRECT |\ANSWERS |\✔✔d. | Alternator |\belt |\is |\slipping
  2. |\The |\voltage |\regulator |\controls |\current |\in |\which |\of |\the | following |\components? a. |\Diode |\trio b. |\Field |\coil |\windings c. |\Rectifier |\bridge d. |\Brushes |- |\CORRECT |\ANSWERS |\✔✔b. |\Field |\coil |\windings

d. |\A |\short |\in |\stator |\windings |- |\CORRECT |\ANSWERS |\✔✔b. | Shorted |\field |\coil

  1. |\One |\bad |\diode |\in |\a |\rectifier |\bridge |\would |\likely |\cause |\which |\of |\the |\following? a. |\Low |\alternator |\output b. |\High |\alternator |\output c. |\A |\noise |\alternator d. |\No |\output |\at |\all |- |\CORRECT |\ANSWERS |\✔✔a. |\Low | alternator |\output
  2. |\Which |\of |\the |\following |\is |\used |\to |\place |\a |\load |\on |\the |\charging |\system |\when |\performing |\a current |\output |\test? a. |\DVOM b. |\Spare |\battery c. |\Carbon |\pile d. |\Ammeter |- |\CORRECT |\ANSWERS |\✔✔c. |\Carbon |\pile
  3. |\At |\which |\point |\during |\an |\alternator |\output |\test, |\should |\the | current |\output |\reading |\be |\taken? a. |\When |\the |\battery |\reaches |\12v b. |\When |\the |\battery |\reaches |\9.6v

c. |\When |\the |\battery |\reaches |\12.7v d. |\When |\the |\battery |\reaches |\13.5v |- |\CORRECT |\ANSWERS | ✔✔C. |\When |\the |\battery |\reaches |\12.7v

  1. |\Which |\of |\the |\following |\would |\be |\an |\acceptable |\result |\of |\an | alternator |\current |\test |\on |\a |\ 200 amp |\alternator? a. |\150amps b. |\100amps c. |\210amps d. |\190amps |- |\CORRECT |\ANSWERS |\✔✔d. |\190amps
  2. |\When |\checking |\the |\rectifier |\bridge |\in |\an |\alternator, |\what | should |\the |\meter |\be |\set |\to? a. |\Ammeter b. |\Ohmmeter c. |\Voltmeter d. |\Diode |\check |- |\CORRECT |\ANSWERS |\✔✔d. |\Diode |\check
  3. |\When |\testing |\alternator |\output. |\why |\should |\the |\amp-clamp | be |\at |\least |\ 6 |\inches |\away |\from |\the alternator?
  1. |\What |\type |\of |\stator |\winding |\would |\have |\only |\one |\wire |\going | to |\each |\of |\the |\three |\eyelets |\that bolts |\to |\the |\rectifier |\bridge? a. |\Wye b. |\Delta c. |\S |-type d. |\R-type |- |\CORRECT |\ANSWERS |\✔✔a. |\Wye
  2. |\When |\performing |\a |\battery |\load |\test, |\the |\battery |\voltage | should |\remain |\above? a. |\9.0v b. |\12.4v c. |\12.2v d. |\9.6v |- |\CORRECT |\ANSWERS |\✔✔d. |\9.6V
  3. |\To |\perform |\a |\battery |\load |\test: |\Verify |\that |\the |\battery |\is |\at, | at |\least? a. |\12.9v b. |\12.4v c. |\9.6v d. |\9.0v |- |\CORRECT |\ANSWERS |\✔✔b. |\12.4v
  1. |\When |\a |\diesel |\engine |\fails |\to |\start |\after |\ 30 |\seconds |\of | cranking, |\what |\is |\the |\recommended cool |\down |\period |\before |\cranking |\the |\engine |\again? a. |\ 3 |\minutes b. |\ 1 |\minute c. |\ 30 |\seconds d. |\ 2 |\minutes |- |\CORRECT |\ANSWERS |\✔✔d. |\ 2 |\minutes
  2. |\Which |\of |\the |\following |\statements |\about |\a |\starter |\solenoid | pull-in |\and |\hold-in |\windings |\is true? a. |\Pull |\in |\windings |\use |\a |\heavier |\gauge |\wire |\then |\hold |\in | windings b. |\Hold |\in |\windings |\use |\a |\heavier |\gauge |\wire |\then |\pull |\in | windings c. |\Hold-in |\windings |\permit |\higher |\current |\flow d. |\Pull |\in |\windings |\allow |\less |\current |\flow |- |\CORRECT | ANSWERS |\✔✔a. |\Pull |\in |\windings |\use |\a |\heavier |\gauge |\wire |\then | hold |\in |\windings
  3. |\What |\is |\the |\function |\of |\the |\overrunning |\clutch |\in |\a |\starter | drive |\assembly? a. |\Prevents |\damage |\to |\the |\starter |\through |\over |\speeding