Engine systems, brakes, and electrical diagnostics concepts tested on entry-level ASE automotive technician certification.
40 cards · basic cards · AI-written, checked twice. Edit anything.
- What is the typical voltage output of a fully charged 12-volt automotive battery?
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13.5 to 14.5 volts when the engine is running- What is the primary function of an alternator?
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Convert mechanical energy from the engine into electrical energy to charge the battery and power electrical systems- What is spark plug gap?
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The space between the center and ground electrodes where the spark jumps to ignite the fuel mixture- Define engine compression ratio.
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The ratio of the volume of the cylinder when the piston is at the bottom compared to when it is at the top- What does SAE viscosity rating measure?
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The thickness or resistance to flow of engine oil at different temperatures- What is a cylinder head gasket?
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A seal that prevents coolant and oil from leaking between the cylinder head and engine block- What is the purpose of an air filter in an engine?
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To prevent dirt and dust from entering the engine through the intake system- What type of fluid is used in hydraulic brake systems?
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Brake fluid, typically DOT 3, DOT 4, or DOT 5- What is the function of a master cylinder in a brake system?
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To convert the pressure from the brake pedal into hydraulic pressure that applies the brakes- What is brake pad wear indicated by?
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A wear indicator pin that contacts the rotor and makes a squealing noise when pads are worn- What is a brake caliper?
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A component that houses the brake pads and applies pressure to the rotor to stop the wheel- Describe the function of an ABS (Anti-lock Braking System) sensor.
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To detect wheel rotation speed and signal the ABS control module to prevent wheel lockup during braking- What is brake fluid hygroscopic?
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It absorbs moisture from the air, which lowers its boiling point and can cause brake fade- What is the purpose of a starter motor?
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To turn the engine crankshaft fast enough to start the engine by combustion- What is a ground connection in an automotive electrical system?
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A path back to the negative terminal of the battery that completes an electrical circuit
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