About this Study Set
This study set covers Automotive Technology through
25 practice questions.
A collection of factual questions covering internal combustion engines, vehicle systems, and automotive maintenance for teenagers. 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 Basics 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 alternator in a vehicle?
-
A
To ignite the fuel mixture
-
B
To charge the battery while the engine is running
-
C
To cool the engine coolant
-
D
To provide torque to the wheels
2
Which component is responsible for regulating the temperature of an internal combustion engine?
-
A
Thermostat
-
B
Fuel pump
-
C
Alternator
-
D
Flywheel
3
In a four-stroke engine, which stroke compresses the air-fuel mixture?
-
A
Intake
-
B
Power
-
C
Compression
-
D
Exhaust
4
What does the acronym ABS stand for in automotive braking systems?
-
A
Automatic Braking System
-
B
Anti-lock Braking System
-
C
Advanced Battery Storage
-
D
Axle Balance Sensor
5
Which fluid is primarily used to lubricate the internal moving parts of an engine?
-
A
Brake fluid
-
B
Coolant
-
C
Engine oil
-
D
Transmission fluid
6
What is the purpose of a catalytic converter in a vehicle's exhaust system?
-
A
To muffle engine noise
-
B
To convert toxic pollutants into less harmful gases
-
C
To increase fuel efficiency
-
D
To store excess fuel
7
Which component connects the transmission to the wheels in a rear-wheel-drive vehicle?
-
A
Driveshaft
-
B
Spark plug
-
C
Carburetor
-
D
Distributor
8
What is the stoichiometric ratio of air to fuel for a gasoline engine?
-
A
10:1
-
B
14.7:1
-
C
20:1
-
D
5:1
9
Which sensor measures the amount of oxygen in the exhaust gases?
-
A
O2 sensor
-
B
MAF sensor
-
C
TPS sensor
-
D
MAP sensor
10
What does the 'T' in 'TDI' stand for in diesel engines?
-
A
Transmission
-
B
Turbocharged
-
C
Torque
-
D
Timed
11
Which device converts reciprocating motion into rotational motion in an engine?
-
A
Crankshaft
-
B
Camshaft
-
C
Timing belt
-
D
Piston ring
12
What is the function of the spark plug in a gasoline engine?
-
A
To measure fuel pressure
-
B
To ignite the air-fuel mixture
-
C
To inject fuel into the cylinder
-
D
To lubricate the valves
13
Which part of the car's electrical system stores energy for starting the engine?
-
A
Generator
-
B
Starter motor
-
C
Lead-acid battery
-
D
Fuse box
14
What type of suspension system uses a single arm to connect the wheel hub to the vehicle frame?
-
A
MacPherson strut
-
B
Solid axle
-
C
Leaf spring
-
D
Torsion bar
15
Which gear in a manual transmission is typically used to move the vehicle in reverse?
-
A
First gear
-
B
Second gear
-
C
Reverse gear
-
D
Neutral gear
16
What is the primary role of the timing belt or chain?
-
A
To drive the wheels
-
B
To synchronize the rotation of the crankshaft and camshaft
-
C
To power the air conditioning
-
D
To provide electrical current to the lights
17
Which automotive component is responsible for reducing engine vibrations?
-
A
Radiator
-
B
Engine mount
-
C
Brake rotor
-
D
Fuel injector
18
What is the function of a differential in a vehicle?
-
A
To allow wheels to rotate at different speeds during turns
-
B
To steer the vehicle
-
C
To lock the engine speed
-
D
To monitor tire pressure
19
Which indicator light on a dashboard typically suggests an issue with the engine's management system?
-
A
Oil pressure light
-
B
Check engine light
-
C
High beam indicator
-
D
Seatbelt warning
20
What is the substance used in modern vehicles to help reduce nitrogen oxide emissions?
-
A
AdBlue
-
B
Motor oil
-
C
Brake fluid
-
D
Transmission oil
21
Which component is designed to dissipate heat from the engine coolant?
-
A
Condenser
-
B
Radiator
-
C
Heater core
-
D
Oil filter
22
What does the term 'displacement' refer to in an engine?
-
A
The top speed of the vehicle
-
B
The total volume of the cylinders
-
C
The weight of the engine
-
D
The fuel tank capacity
23
Which part acts as a seal between the engine block and the cylinder head?
-
A
Valve cover gasket
-
B
Head gasket
-
C
Oil pan gasket
-
D
Intake manifold gasket
24
What is the purpose of an intercooler in a turbocharged engine?
-
A
To heat up the fuel
-
B
To cool the intake air
-
C
To lubricate the turbocharger
-
D
To reduce exhaust backpressure
25
Which component converts chemical energy from fuel into mechanical energy?
-
A
Battery
-
B
Engine
-
C
Differential
-
D
Steering rack