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WorksheetsSemester Final Review
Total questions: 40
Worksheet time: 56mins
Which stroke is the 2nd stroke in a 4 stroke cycle?
Compression
Intake
Exhaust
power
Kovan says that 4 cylinder engine will have a power stroke every 180 degrees crankshaft rotation...Kaylene says that an 8 cylinder engine will have a power stroke every 45 degrees camshaft rotation. Who is correct?
Kovan
Kaylene
Both
Neither
If cylinder #3 is at TDC, which other cylinder is also at TDC?
#2
#6
#1
#7
What is E85 fuel?
85% Algae , 15% Gasoline
85% Electric, 15% Fuel
85% Ethanol, 15% Gasoline
What is Ethanol made from
Used cooking oil
Corn
Algae
Crude
By looking at this picture, how many cylinders does this engine have?
4
6
8
10
Name the two circuits in an ignition system..
Primary and Circuitry
Prime Rib and Magnetic
Primary and Secondary
Magnetic and Secondary
Extremely high altitude will cause a naturally aspirated engine to run?
Fast
Smooth
Rich
Lean
Which of the following is the optimum air/fuel ratio for a gasoline engine
14.5:1
15.4:2
14.7:1
13.7:1
EFI is the acronym for which of the following?
Engine Faulty Incoming
Engine Fuel Ignition
Electronic Fuel Injection
Electric Filter Injection
Where is the Fuel Pump usually located on fuel injected vehicles?
Inside the Trunk
Inside the Gas Tank
Next to the Water Pump
On the Frame Rail
Turns reciprocating motion (up and down) into rotary motion (round and round
Camshaft
Crankshaft
Piston
Valve
What opens and closes the valves?
Name this component
Coil
Stator
Transformer
Can be found inside the Distributor Cap
Secret
Why did car manufacturers do away with the distributor type ignition system?
A:Because there is not enough saturation time for the one coil
B:Because high-tension leads, rotor and rotor gaps gave issues
C:The mechanical system wears out, and become inaccurate
All the above A,B & C are correct
Mahir says: On a Ford V8, cylinder #1 is closest to the rear of the crankshaft.
Esteban says: On a GM 4 cylinder engine, combustion occurs every 180 degrees of crankshaft rotation.
Who's correct?
Mahir
Esteban
Both
Neither
With a 6v supply, each bulb in this circuit would absorb__________.
2.66v
120mv
375mv
750mv
Ace says electric fuel pumps are more widely used today because they produce higher pressure than mechanical fuel pumps. Nylah says that most electric fuel pumps are mounted inside the fuel tank. Who is right?
Ace
Nylah
Both
Neither
HORIZONTAL
INLINE
V
VERTICAL
Which of these can transform the battery's low voltage to the thousands of volts needed to create an electric spark in the spark plugs to ignite the fuel
All because they are ignition coils and coil packs.
What does “DIS” stand for/mean?
“Do It Self” – system
“Dance In Sun” system
Distributorless Ignition System
Destabilisorless Ignition System
What must a distributorless ignition system have?
Rotor
Cap
Computer
Spark Plug Wire
Each big number on the sleeve is
One Tenth of an Inch
One Hundredth of an Inch
One Thousandth of an Inch
One Inch
Write this measurement in decimal form
(a)
Write this measurement in decimal form
(a)
Write this measurement in decimal form
(a)
