About this Study Set
This study set covers Automotive Technology through
25 practice questions.
A collection of factual questions covering internal combustion engines, drivetrain components, and vehicle systems. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 25 questions from the
Automotive Technology Fundamentals study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What is the primary function of an automotive alternator?
-
A
To store electrical energy
-
B
To convert mechanical energy into electrical energy
-
C
To ignite the fuel-air mixture
-
D
To regulate the transmission gear ratios
2
Which component is responsible for timing the opening and closing of engine valves?
-
A
Crankshaft
-
B
Camshaft
-
C
Flywheel
-
D
Connecting rod
3
In a four-stroke engine, which stroke follows the power stroke?
-
A
Intake
-
B
Compression
-
C
Exhaust
-
D
Combustion
4
What is the purpose of the catalytic converter in a vehicle's exhaust system?
-
A
To increase horsepower
-
B
To reduce harmful emissions
-
C
To muffle engine noise
-
D
To filter engine oil
5
Which fluid is primarily used to operate a hydraulic braking system?
-
A
Transmission fluid
-
B
Engine coolant
-
C
Brake fluid
-
D
Windshield washer fluid
6
What is the stoichiometric air-fuel ratio for gasoline engines?
-
A
10:1
-
B
14.7:1
-
C
20:1
-
D
12.5:1
7
Which type of drivetrain sends power to all four wheels of the vehicle?
8
What does the acronym ABS stand for in vehicle safety systems?
-
A
Automatic Braking System
-
B
Anti-lock Braking System
-
C
Advanced Battery Storage
-
D
Automated Balancing Suspension
9
What is the main function of the engine oil pump?
-
A
To cool the engine block
-
B
To lubricate moving engine parts
-
C
To clean the air intake
-
D
To inject fuel into the cylinders
10
Which automotive component utilizes a clutch or torque converter?
-
A
Braking system
-
B
Transmission
-
C
Suspension
-
D
Steering column
11
What is the role of the radiator in an internal combustion engine?
-
A
To dissipate heat from the coolant
-
B
To regulate fuel pressure
-
C
To generate spark for ignition
-
D
To store compressed air
12
Which sensor monitors the amount of oxygen in the exhaust gases?
-
A
MAF sensor
-
B
O2 sensor
-
C
MAP sensor
-
D
TPS sensor
13
What does the 'T' in CVT stand for?
-
A
Transmission
-
B
Torque
-
C
Traction
-
D
Turbo
14
Which device is used to increase the pressure of the air entering an engine to increase power?
-
A
Alternator
-
B
Supercharger
-
C
Differential
-
D
Distributor
15
Where is the timing belt typically located?
-
A
Inside the transmission
-
B
Between the crankshaft and camshaft
-
C
Attached to the wheels
-
D
Inside the exhaust manifold
16
What is the primary function of the vehicle's thermostat?
-
A
To control interior cabin temperature
-
B
To regulate engine coolant flow
-
C
To measure oil pressure
-
D
To track vehicle speed
17
Which automotive system uses tie rods and ball joints?
-
A
Braking system
-
B
Fuel system
-
C
Steering system
-
D
Cooling system
18
What type of engine configuration has cylinders arranged in two banks at an angle?
-
A
Inline engine
-
B
Rotary engine
-
C
V-engine
-
D
Flat engine
19
What is the function of the spark plug in a petrol engine?
-
A
To deliver high voltage to ignite the air-fuel mixture
-
B
To provide power to the radio
-
C
To regulate the idle speed
-
D
To filter the fuel
20
Which component connects the transmission to the drive wheels?
-
A
Drive shaft
-
B
Piston
-
C
Fuel pump
-
D
Cylinder head
21
What is the purpose of a differential in a vehicle?
-
A
To allow wheels to rotate at different speeds
-
B
To shift gears automatically
-
C
To cool the transmission oil
-
D
To lock the engine at high speeds
22
What does the acronym ECU stand for in automotive electronics?
-
A
Engine Control Unit
-
B
Electrical Charging Utility
-
C
Exhaust Cooling Unit
-
D
Energy Conversion Unit
23
Which battery terminal is typically connected to the vehicle chassis (ground)?
-
A
Positive
-
B
Negative
-
C
Neutral
-
D
Ignition
24
What is the purpose of the wastegate in a turbocharged engine?
-
A
To recycle engine oil
-
B
To control boost pressure
-
C
To filter exhaust emissions
-
D
To cool the intake air
25
Which component allows the engine to keep running while the vehicle is stationary?
-
A
Brake booster
-
B
Clutch
-
C
Fuel injector
-
D
AC compressor
