Fuel, Induction, Ignition and Starting Systems D2L

Question 1

What type of fuel will not detonate in the cylinder?

Answer 1

Diesel

Question 2

True or False;
Higher octane ratings burn more slowly than lower ratings

Answer 2

True

Question 3

True or False;
The combustion in a cylinder is timed to start a few degrees before top dead center to give the fuel time to burn and cylinder pressure to rise.

Answer 3

True

Question 4

What conditions would cause Pre-ignition?

Answer 4

Hot spots in the combustion chamber

Question 5

Which type of electronic fuel injection system distributes fuel into the intake manifold without interuption?

Answer 5

Continuous Fuel Injection

Question 6

What component ensures an engine has the correct air fuel ratio?

Answer 6

Carburetor

Question 7

True or False;
Stoichometry is the description of the ratios and amounts of two or more chemicals that are reacted together completely without any un-reacted chemicals left over.

Answer 7

True

Question 8

Which component, in a carburetor, creates a low pressure area to draw the fuel into the air stream?

Answer 8

Venturi

Question 9

In an engine with continuous fuel injection, which of the following components ensure the AFR is correct by measuring the composition of the exhaust gasses?

Answer 9

Oxygen Sensor

Question 10

In a propane fuel system, which component ensures fuel flow stops when the engine stops?

Answer 10

Fuel Lock

Question 11

Which valve closes just before the compression stroke?

Answer 11

Intake valve

Question 12

What is the purpose of the other fuel types that are mixed with propane for powering an engine?

Answer 12

Allow starting at temperatures below -42°C

Question 13

True or False;
Diesel engines require a lower starting RPM, compared to gas engines, because of the higher compression ratios in the diesel engine.

Answer 13

False

Question 14

Which type of diesel injection system has a single high pressure pump?

Answer 14

Distributor fuel injection

Question 15

What is the purpose of an air cleaner?

Answer 15

Clean the air entering the engine

Question 16

What device can be used to measure the vacuum pressure of an intake manifold?

Answer 16

Manometer

Question 17

What type of artificial aspiration device is powered by the exhaust from the engine?

Answer 17

Turbocharger

Question 18

Which component of a turbo is driven by the exhaust gasses?

Answer 18

Turbine

Question 19

If a turbo is creating too much boost pressure, what component is used to regulate the output of the turbo?

Answer 19

Waste gate

Question 20

What components are found in the centre housing of the turbo.

Answer 20

Seals, oil passageways, bearings

Question 21

Of the components in the ignition system, which one is used to increase the voltage to create the spark for the spark plug?

Answer 21

Ignition COIL

Question 22

True or False;
The magnito, in an ignition system, contains the power generation section, trigger section, and distribution system.

Answer 22

True

Question 23

True or False;
The microprocessor ignition system is sophisticated, but allows for increased power and efficiency of the engine.

Answer 23

True

Question 24

True or False;
The pickup lead for the timing light is attached to the spark plug wire for cylinder one

Answer 24

True

Question 25

Which type of starting system has the disadvantage of requiring a large volume of air to start the engine?

Answer 25

Direct Air Injection

Question 26

Glow plugs and manifold heaters are used to help with starting what type of engine?

Answer 26

Diesel