ASE B5 Domain 2: Electrical Welcome to your ASE B5 Domain 2: Electrical 1. ASE B5: Electrical What is the primary purpose of a diode in an automobile's electrical system? A. To convert AC to DC B. To regulate voltage C. To allow current to flow in one direction only D. To store electrical energy None 2. ASE B5: Electrical In an automotive CAN (Controller Area Network) bus system, what is the main function of a terminator? A. To prevent signal reflection B. To convert data into electrical signals C. To connect multiple modules D. To provide power supply to the network None 3. ASE B5: Electrical What is the primary cause of premature failure in a vehicle's alternator diodes? A. Overheating due to excessive current B. Mechanical vibration C. Exposure to high temperatures D. Electrical surges from the battery None 4. ASE B5: Electrical What is the role of a Hall effect sensor in a modern automobile? A. To measure the oxygen level in the exhaust B. To detect the position of the crankshaft C. To regulate fuel injection timing D. To monitor the air pressure in tires None 5. ASE B5: Electrical How does an automotive relay differ from a fuse? A. A relay controls power flow, while a fuse protects against overcurrent B. A relay provides a ground path, while a fuse interrupts the power supply C. A relay amplifies electrical signals, while a fuse reduces them D. A relay stores electrical energy, while a fuse dissipates it None 6. ASE B5: Electrical What is the consequence of a short to ground in an automotive electrical circuit? A. Increased resistance and reduced current flow B. Uncontrolled current flow, potentially causing damage C. Interruption of the circuit's power supply D. Conversion of electrical energy into mechanical energy None 7. ASE B5: Electrical What is the primary function of a pulse-width modulated (PWM) signal in a vehicle's electrical system? A. To control the speed of electric motors B. To regulate the charging system C. To transmit digital data D. To filter electrical noise None 8. ASE B5: Electrical What is the most likely cause of a high resistance fault in an automotive electrical circuit? A. A corroded connector B. A broken wire C. A malfunctioning relay D. A blown fuse None 9. ASE B5: Electrical In a vehicle equipped with an LED headlight system, what component is primarily responsible for converting the vehicle's electrical system voltage to a level suitable for the LEDs? A. The alternator B. A resistor C. A voltage regulator D. A driver or control module None 10. ASE B5: Electrical How does an inductive pickup coil sensor function in an automotive application? A. By converting temperature changes into electrical resistance B. By generating a voltage when a magnetic field changes C. By measuring the amount of oxygen in the exhaust D. By detecting changes in air pressure None 1 out of 10 Time is Up! Time's up
