ASE A9 Domain 3: Engine Block Diagnosis and Repair Welcome to your ASE A9 Domain 3: Engine Block Diagnosis and Repair 1. ASE A9: Engine Block Diagnosis and Repair Which type of engine block material is commonly used in diesel engines due to its excellent durability and heat dissipation properties? A. Aluminum B. Cast iron C. Steel D. Titanium None 2. ASE A9: Engine Block Diagnosis and Repair What is the purpose of cylinder liners (sleeves) in a diesel engine block? A. To improve fuel efficiency B. To enhance engine noise C. To reduce engine weight D. To protect the cylinder bores None 3. ASE A9: Engine Block Diagnosis and Repair Which term refers to the process of restoring engine cylinder walls to their original dimensions by removing material? A. Boring B. Honing C. Decking D. Surfacing None 4. ASE A9: Engine Block Diagnosis and Repair What is the primary purpose of align honing the main bearing bores in an engine block? A. To improve fuel combustion B. To reduce engine vibration C. To ensure proper crankshaft alignment D. To enhance valve timing None 5. ASE A9: Engine Block Diagnosis and Repair What is the term for the process of machining the top surface of an engine block to ensure a flat and smooth mating surface for the cylinder head? A. Boring B. Honing C. Surfacing D. Decking None 6. ASE A9: Engine Block Diagnosis and Repair Which component is responsible for connecting the engine block to the transmission and transferring power to the wheels? A. Cylinder head B. Camshaft C. Crankshaft D. Flywheel None 7. ASE A9: Engine Block Diagnosis and Repair What is the primary function of the engine block's freeze plugs (core plugs)? A. Enhancing engine cooling B. Preventing rust formation C. Providing access for block machining D. Allowing for engine block expansion None 8. ASE A9: Engine Block Diagnosis and Repair Which type of engine block is commonly used in some modern diesel engines to reduce weight and improve fuel efficiency? A. Aluminum B. Cast iron C. Steel D. Magnesium None 9. ASE A9: Engine Block Diagnosis and Repair What is the term for the process of machining the cylinder block's main bearing saddles to ensure proper alignment? A. Boring B. Honing C. Decking D. Align boring None 10. ASE A9: Engine Block Diagnosis and Repair Which term refers to the process of machining the cylinder block's cylinder bores to create a smooth surface with crosshatch patterns? A. Boring B. Honing C. Surfacing D. Decking None 1 out of 10 Time is Up! Time's up