AUT108 Engine Performance Pre/Post Test

Front

Manufacturers design their ignition systems to have an amount of _______ above the _______ so that misfire is prevented.

Back

Reserve voltage; required voltage

Front

Spark plugs either use a ________ design or a washer type of gasket to form a seal between the spark plug and the cylinder head.

Back

Taper

Front

Tech A states that contact breaker point ignition systems were used on earlier vehicles. Tech B states that these systems required regular maintenance to run properly. Who is correct?

Back

Both A and B

Front

Who is correct regarding ignition modules in ignition systems: Tech A states that ignition modules are used in virtually every type of ignition system except the contact breaker point system. Tech B states that ignition modules are also used in the contact breaker point system?

Back

Tech A

Front

The main advantage of the distributor-less ignition system is the elimination of all the mechanical parts included in a distributor assembly such as all of the following EXCEPT:

Back

cam angle sensors.

Front

Who is correct regarding fuel mixture: Tech A says that a slightly lean mixture offers good fuel economy and low exhaust emissions. Tech B says that a mixture that is too rich fouls spark plugs and causes incomplete burning?

Back

Both Techs A and B

Front

A _______ carries fuel from the tank to the engine.

Back

Fuel supply line

Front

Gasoline direct injection (GDI) places the fuel injectors in the cylinder head where they can spray fuel directly into the combustion chamber. True or False?

Back

True

Front

The carburetor supplies the engine with the correct air fuel mixture for all conditions of operation. True or False?

Back

True

Front

About how much signal voltage is generated by a throttle position sensor at closed throttle?

Back

0.5-1.0 volts