Autoelektrik lernen: Quizfragen zu elektrischen Systemen im Automobil

Question 1

Which of the following is the primary purpose of a car battery?

Accepted Answer

To store electrical energy and provide a constant voltage supply to the electrical system

Answer

To ignite the fuel in the engine

Answer

To regulate the flow of electricity to the starter

Answer

To generate electricity for the engine

Question 2

Which component of an alternator generates electricity?

Accepted Answer

Rotor and stator

Answer

Armature and field coil

Answer

Capacitor and inductor

Answer

Commutator and brushes

Question 3

Which type of starter motor is most commonly used in modern vehicles?

Accepted Answer

Solenoid-activated starter

Answer

Rim drive starter

Answer

Overrunning clutch starter

Answer

Inertia starter

Question 4

What is the purpose of a fuse in an automotive electrical system?

Accepted Answer

To protect the circuit from excessive current and prevent electrical fires

Answer

To regulate the voltage in the circuit

Answer

To provide a backup power source

Answer

To act as a switch for the circuit

Question 5

Which of the following is a symptom of a faulty wiring harness?

Accepted Answer

Intermittent electrical problems, such as flickering lights or loss of power to certain components

Answer

Difficulty starting the vehicle

Answer

Excessive fuel consumption

Answer

Oil leaks

Question 6

What is the function of a voltage regulator in an automotive electrical system?

Accepted Answer

To maintain a stable voltage output from the alternator, typically around 12-14 volts

Answer

To control the flow of electricity to the starter

Answer

To charge the battery

Answer

To start the engine

Question 7

Which diagnostic tool is used to measure electrical current in an automotive circuit?

Accepted Answer

Ammeter

Answer

Ohmmeter

Answer

Voltmeter

Answer

Multimeter

Question 8

What is the purpose of a ground wire in an automotive electrical system?

Accepted Answer

To provide a complete circuit path between the electrical components and the vehicle's chassis, preventing electrical shocks and ensuring proper functioning of the system

Answer

To carry current from the battery to the electrical components

Answer

To regulate the voltage in the circuit

Answer

To act as a backup power source

Question 9

Which of the following is a common cause of alternator failure?

Accepted Answer

Worn-out brushes

Answer

Overcharging the battery

Answer

Low engine oil

Answer

Loose fan belt

Question 10

What is the purpose of a relay in an automotive electrical system?

Accepted Answer

To control a high-current circuit using a low-current signal, allowing for the efficient operation of electrical components that draw high amounts of power

Answer

To provide a backup power source

Answer

To regulate the voltage in the circuit

Answer

To act as a switch for the circuit