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WorksheetsUntitled Qui
Total questions: 20
Worksheet time: 28mins
What is the primary purpose of the ignition system?
To power the starter motor
To ignite the air–fuel mixture
To lubricate
To cool
Which component generates the high voltage needed for a spark?
Alternator
Battery
Ignition coil
Starter solenoid
What does the spark plug gap affect most?
Fuel pressure
Spark intensity
Oil temp
Coolant flow
In a distributor ignition system, what distributes the high-voltage spark to each cylinder?
Rotor arm
Sparkplug
Fuel injector
ECU
What does HT lead stand for?
High Tension
Heavy Torque
Heat Transfer
High Temperature
What is the main advantage of coil-on-plug systems?
Lower fuel use
More precise control
Stronger alternator
Smaller plugs can be used
Which sensor tells the ECU the exact crank position for ignition timing?
TPS
MAF
Crankshaft position sensor
O2 sensor
What type of current does the ignition coil convert into high voltage?
HV DC
LV DC
HV AC
LP AC
A weak spark is often caused by…
Slipping drive belt
Low coolant
Failing ignition coil
Worn alternator
What does dwell angle refer to in traditional ignition systems?
Piston angle
Time points closed
Cam timing
Plug thread length
Which component opens and closes in a traditional points ignition system?
Solenoid
Contact breaker
Injector
Starter drive
A misfire at high RPM may be caused by…
Blocked air filter
Worn spark plugs
All options shown
Blocked fuel filter
In an ECU-controlled ignition system, spark timing is adjusted based on…
Fuel being used
Air being used
Engine load & speed
Battery voltage being used
What does the distributor cap do?
Holds oil
Covers battery
Routes HV to cylinders
Filters fuel
Which ignition component typically requires the most regular servicing?
Spark plugs
ECU
Coil
Battery
What happens if the spark plug gap is too wide?
Overheat
Weak spark
Battery drain
High oil pressure
A shorted HT lead will cause…
Overcharging of the battery
Loss of spark to a cylinder
Excess fuel pressure
Low oil level
What is used in modern systems to fire each individual coil?
Distributor cap
Contact breakers
ECU signal
Vacuum advance unit
Which symptom is commonly associated with ignition coil failure?
Flat Battery
Poor acceleration and misfiring
High fuel consumption
Low fuel consumption
Which ignition system component is directly connected to the spark plug?
ECU
Oil filter
Fuel injector
HT lead
