Engine Performance 1 mid 24

Front

When an electric current is passed through a coiled wire, a magnetic field is created. This phenomena is called?

Back

Electromagnetic Induction

Front

Your ignition coil have primary and secondary windings. Which of the two has more windings in their coil?

Back

Secondary

Front

What is a "Waste Spark" ignition system?

Back

Splits its discharge voltage to fire two spark plugs simultaneously. Spark is not only delivered to the cylinder that’s on the compression stroke, but also delivered to the paired cylinder that’s on its exhaust stroke.

Front

What are the basic functions of a pulser coil (crankshaft position sensor)?

Back

Uses A/C voltage pulses to determine cylinder piston position, informs the ECM of engine speed, and reports to the ECM the exact position of each of the pistons.

Front

The float chamber, float and needle valve do the following in a carburetor: control the level of fuel, atomize the fuel, cause the engine to accelerate, all of these are correct

Back

control the level of fuel

Front

If the temperature of the air around or inside a carburetor becomes high enough to vaporize the gasoline, pockets of vapor will stop all flow of fuel. This is known as ___ ___.

Back

vapor lock

Front

In order for the engine to run properly, the fuel must be: 14.7 pounds of air to one pound of fuel

Back

14.7 pounds of air to one pound of fuel

Front

What is the purpose of the fuel pressure regulator?

Back

Ensure constant fuel flow, Dampened fuel pulsation, Maintain required pressure, Holds residual pressure, All of the above

Front

Which technician is correct regarding the fuel pump and TBI injector: Technician A says the fuel pump is usually controlled by the PCM. Technician B says that a TBI injector squirts fuel above the throttle plate?

Back

Both technician A and B

Front

If you are in British Columbia up in the mountains the oxygen is __________ and the PCM would _______ fuel ?

Back

less + decrease