WorksheetsMr. Z Automotive Nocti 3
Total questions: 17
Worksheet time: 9mins
Over-torquing wheel lug nuts could cause vibration, excessive run-out, and
wear on the tire
wear on the bearing
wheel distortion
wheel pitting
Which of the following should a technician use to measure a brake rotor score with a pointed anvil?
magnetic feeler guage
telescoping gauge
outside micrometer
inside micrometer
in electrical circuits, resistance is measured in
amperes
volts
ohms
watts
Which of the following converts ac to dc?
power converter
electric generator
electric motor
alternator diodes
Which of the following is the most common wire identification on a wiring diagram?
number
color
charactor
order
Which of the following devices can be used in place of a relay?
photo cell
LED
transistor
resistor
Which of the following cable colors is used to designate high voltage in a hybrid vehicle?
brown
yellow
orange
red
A battery load test involves loading the battery at half cold cranking amps for
15 seconds
30 seconds
15 minutes
30 minutes
Which of the following can be checked in the starter circuit with a voltage drop test?
voltage
resistance
alternator field current
amperage
Excessive black or gray smoke may be a sign of
improper engine timing
oil level too high
worn piston rings
failure of turbocharger oil seals
The horizontal axis on an oscilloscope screen represents
ohms
amperage
voltage
time
A technician would use an ohmmeter to test
electricity in a battery
variable resistor
6-24 volt system powered circuits
fuel injector voltage
worn piston rings cause a cylinder with low compression to ______ when oil is introduced.
decreased compression slowly
decreased compression completely
increase compression to normal
increase compression above normal
An indication of a leaking transmission cooler in the radiator in vehicles with ethylene glycol is
pink fluid in the overflow reservoir
rust inside the radiator
decreased water-coolant flow
antifreeze found underneath the motor
a defective thermostat will affect emissions, engine drivability, and
engine blow by
the alternator
fuel mixture
mass airflow signal
a 50-50 mixture of ethylene glycol and water in the cooling system raises the boiling point and
raise oil pressure
increases water pump noise
reduces cooling efficiency
decreases the freezing point
When a spark plug heat range is too hot, the spark plug
electrode porcelain blisters
may be to weak to ignite
skips at high speeds
lowers the tip's temperature
