Preview Questions Electrical Engineer | Role Specific Skill

Question 1: How do you verify the correct operation of the vehicle's charging system, including the alternator and voltage regulator?

Which action should you take?

Choose only one option

By measuring the charging voltage at the battery terminals while the engine is running

By replacing the alternator with a new one

By focusing only on the battery charge without checking the alternator

By testing the vehicle's lights and checking if they are dim

Question 2: Which standard defines the physical and data link layers for automotive Ethernet networks?

Which action should you take?

Choose only one option

SAE J1939

ISO 11898

IEEE 802.3

CANopen

Question 3: How do you manage heat dissipation in high-power automotive circuits?

Which action should you take?

Choose only one option

By designing the circuit without considering heat dissipation

By using heat sinks, thermal vias, and carefully selecting components with higher thermal ratings

By using passive cooling methods only, without considering active cooling

By increasing the component size to improve cooling

Question 4: How do you approach the integration of advanced driver assistance systems (ADAS) within the vehicle's electrical architecture?

Which action should you take?

Choose only one option

By simplifying the system to reduce costs

By using standard wiring for all components, regardless of requirements

By excluding advanced systems in favor of traditional components

By designing robust power and signal systems to support sensors, cameras, and control units

Question 5: When troubleshooting a vehicle's electrical system, what is the first step in diagnosing a no-start condition?

Which action should you take?

Choose only one option

Inspect the air intake for any blockages

Check the battery voltage and connections

Examine the engine's mechanical integrity

Check the fuel system for blockages

Question 6: Which diagnostic protocol is primarily used for high-level vehicle diagnostics and over-the-air (OTA) updates?

Which action should you take?

Choose only one option

UDS (Unified Diagnostic Services)

KWP2000

ISO 9141

PWM