Title MCQ AUTOMOBILE ENGINEERING.pdf ✅

Way to Polytechnic ● Way to Polytechnic AUTOMOBILE ENGINEERING Unit-I Introduction to basic structure of an automobile 1. What is the primary function of the cylinder block in an automobile engine? a. Cooling the engine b. Housing the combustion chamber c. Regulating fuel injection d. Controlling exhaust emissions 2. Which engine component is responsible for sealing the gap between the cylinder block and cylinder head? a. Piston b. Gasket c. Connecting rod d. Crankshaft 3. What is the purpose of cylinder liners in an engine? a. Enhance combustion efficiency b. Provide a smooth surface for piston movement c. Seal the combustion chamber d. Facilitate air intake 4. Which of the following is a function of the piston in an engine? a. Igniting fuel b. Sealing the combustion chamber c. Converting linear motion to rotary motion d. Controlling air intake 5. What is the role of piston rings in an engine? a. Facilitate heat dissipation b. Provide structural support to the piston c. Seal the gap between the piston and cylinder wall d. Control fuel injection 6. The connecting rod in an engine is responsible for: a. Controlling fuel flow b. Transmitting motion from piston to crankshaft 1
Way to Polytechnic ● Way to Polytechnic c. Sealing the combustion chamber d. Regulating air intake 7. The crankshaft in an automobile engine is primarily responsible for: a. Sealing the combustion chamber b. Converting linear motion to rotary motion c. Controlling exhaust emissions d. Facilitating air intake 8. What is the function of the camshaft in an engine? a. Controlling valve timing and lift b. Sealing the combustion chamber c. Converting linear motion to rotary motion d. Regulating fuel injection 9. Which engine component houses the crankshaft and provides structural support? a. Cylinder block b. Cylinder head c. Crankcase d. Flywheel 10. The engine valves in an automobile are responsible for: a. Controlling fuel injection b. Regulating exhaust emissions c. Sealing the combustion chamber d. Facilitating air intake 11. What is the primary function of the flywheel in an engine? a. Controlling exhaust emissions b. Converting linear motion to rotary motion c. Sealing the combustion chamber d. Enhancing combustion efficiency 12. What component in an engine is responsible for controlling the engine speed? a. Piston b. Governor c. Camshaft d. Connecting rod 2
Way to Polytechnic ● Way to Polytechnic 13. Which of the following is NOT a type of cylinder liner? a. Wet liner b. Dry liner c. Semi-dry liner d. Composite liner 14. The gasket in an engine is primarily used for: a. Controlling fuel injection b. Sealing the gap between engine components c. Facilitating air intake d. Enhancing combustion efficiency 15. What is the function of piston pins in an engine? a. Controlling exhaust emissions b. Connecting the piston to the connecting rod c. Sealing the combustion chamber d. Facilitating air intake 16. Which type of piston ring is responsible for sealing the combustion chamber against gas leakage? a. Compression ring b. Oil ring c. Wiper ring d. Tension ring 17. The main purpose of the governor in an engine is to: a. Regulate engine speed b. Control fuel injection c. Enhance combustion efficiency d. Facilitate air intake 18. What is the function of the crankcase in an engine? a. Housing the crankshaft and providing support b. Sealing the combustion chamber c. Facilitating air intake d. Controlling exhaust emissions 19. What is the primary function of engine valves? a. Controlling fuel injection 3
Way to Polytechnic ● Way to Polytechnic b. Regulating exhaust emissions c. Sealing the combustion chamber d. Enhancing combustion efficiency 20. Which component is responsible for smoothing out the fluctuations in engine speed? a. Governor b. Flywheel c. Camshaft d. Piston Answers: 1. b. Housing the combustion chamber 2. b. Gasket 3. b. Provide a smooth surface for piston movement 4. c. Converting linear motion to rotary motion 5. c. Seal the gap between the piston and cylinder wall 6. b. Transmitting motion from piston to crankshaft 7. b. Converting linear motion to rotary motion 8. a. Controlling valve timing and lift 9. c. Crankcase 10. c. Sealing the combustion chamber 11. b. Converting linear motion to rotary motion 12. b. Governor 13. d. Composite liner 14. b. Sealing the gap between engine components 15. b. Connecting the piston to the connecting rod 16. a. Compression ring 17. a. Regulate engine speed 18. a. Housing the crankshaft and providing support 19. c. Sealing the combustion chamber 20. b. Flywheel 4