Question 1

Ohmmeter

Accepted Answer

A device used to measure electrical resistance in ohms.

Question 2

Multimeter

Accepted Answer

A device that measures voltage, current, and resistance.

Question 3

Continuity

Accepted Answer

An uninterrupted electrical connection.

Question 4

Amperage

Accepted Answer

The flow of electric current, measured in amperes (amps).

Question 5

Voltage drop

Accepted Answer

A decrease in voltage across a conductor due to resistance.

Question 6

Series circuit

Accepted Answer

A circuit where components are connected end-to-end in a single path.

Question 7

Parallel circuit

Accepted Answer

A circuit where components are connected in multiple paths.

Question 8

Ground

Accepted Answer

A reference point in an electrical circuit to which other points are connected.

Question 9

Ohm's law

Accepted Answer

The relationship between voltage, current, and resistance in a circuit (V = I x R).

Question 10

Schematic

Accepted Answer

A diagram that represents the elements of an electrical system.

Question 11

Relay

Accepted Answer

An electrical switch operated by an electromagnet.

Question 12

Diode

Accepted Answer

A semiconductor device that allows current to flow in one direction only.

Question 13

Transistor

Accepted Answer

A semiconductor device used to amplify or switch electronic signals.

Question 14

Capacitor

Accepted Answer

A component that stores electrical charge and releases it when needed.

Question 15

Fuse

Accepted Answer

A safety device designed to protect a circuit from excessive current.

Question 16

Circuit breaker

Accepted Answer

A device that interrupts an electrical circuit when excessive current is detected.

Question 17

Solenoid

Accepted Answer

A coil of wire that generates a magnetic field when an electric current is passed through it.

Question 18

Alternator

Accepted Answer

A device that generates alternating current from the rotation of a vehicle's engine.

Question 19

Regulator

Accepted Answer

A component that maintains a constant voltage level in an electrical system.

Question 20

Starter motor

Accepted Answer

An electric motor that turns the engine's crankshaft to initiate combustion.

Question 21

Ignition coil

Accepted Answer

A device that transforms low-voltage current from the battery into high-voltage current for the spark plugs.

Question 22

Spark plug

Accepted Answer

A device that ignites the air-fuel mixture in a combustion engine.

Question 23

Distributor

Accepted Answer

A component that directs high-voltage current from the ignition coil to the spark plugs.

Question 24

Ignition control module

Accepted Answer

An electronic component that controls the ignition system's timing and spark.

Question 25

Crankshaft position sensor

Accepted Answer

A sensor that detects the position of the crankshaft and sends signals to the engine control module.

Question 26

Camshaft position sensor

Accepted Answer

A sensor that detects the position of the camshaft and sends signals to the engine control module.

Question 27

Mass airflow sensor

Accepted Answer

A sensor that measures the mass of air entering the engine for proper fuel delivery.

Question 28

Throttle position sensor

Accepted Answer

A sensor that detects the throttle's position and sends signals to the engine control module.

Question 29

Oxygen sensor

Accepted Answer

A sensor that measures the amount of oxygen in the exhaust for proper air-fuel mixture control.

Question 30

Knock sensor

Accepted Answer

A sensor that detects engine knock and sends signals to the engine control module.

Question 31

Fuel injector

Accepted Answer

A device that sprays fuel into the combustion chamber for ignition.

Question 32

Fuel pressure regulator

Accepted Answer

A device that maintains a constant fuel pressure in the fuel system.

Question 33

Fuel pump

Accepted Answer

A device that pumps fuel from the tank to the engine.

Question 34

Evaporative emission control system (EVAP)

Accepted Answer

A system that controls fuel vapor emissions from the fuel tank.

Question 35

Canister purge valve

Accepted Answer

A valve that controls the flow of fuel vapor from the EVAP canister to the intake manifold.

Question 36

Positive crankcase ventilation (PCV) valve

Accepted Answer

A valve that controls the flow of crankcase gases back into the intake manifold.

Question 37

Exhaust gas recirculation (EGR) valve

Accepted Answer

A valve that directs a portion of exhaust gases back into the combustion chamber to reduce emissions.

Question 38

Catalytic converter

Accepted Answer

A device that converts harmful exhaust gases into less harmful substances.

Question 39

Throttle body

Accepted Answer

A component that controls the amount of air entering the engine by regulating the opening of the throttle valve.

Question 40

Intake manifold

Accepted Answer

A part that distributes the air-fuel mixture from the throttle body to the engine's cylinders.

Question 41

Exhaust manifold

Accepted Answer

A part that collects exhaust gases from the engine's cylinders and directs them to the exhaust pipe.

Question 42

Timing belt

Accepted Answer

A toothed belt that synchronizes the rotation of the crankshaft and camshaft(s).

Question 43

Timing chain

Accepted Answer

A metal chain that synchronizes the rotation of the crankshaft and camshaft(s).

Question 44

Serpentine belt

Accepted Answer

A continuous belt that drives multiple peripheral devices in an engine, such as the alternator, power steering pump, and air conditioning compressor.

Question 45

Coolant temperature sensor

Accepted Answer

A sensor that measures the temperature of the engine coolant and sends signals to the engine control module.

Question 46

Thermostat

Accepted Answer

A temperature-sensitive valve that regulates coolant flow through the engine and radiator.

Question 47

Radiator

Accepted Answer

A heat exchanger that cools the engine coolant by dissipating heat into the air.

Question 48

Water pump

Accepted Answer

A device that circulates engine coolant through the cooling system.

Question 49

Driveability

Accepted Answer

The overall performance and smooth operation of a vehicle during various conditions, such as acceleration, cruising, and idling.

Question 50

Variable valve timing (VVT)

Accepted Answer

A system that adjusts the timing of the intake and/or exhaust valves to optimize engine performance and efficiency across different operating conditions.

ASE A6 Exam: Advanced Vocabulary Flashcards Set