SS1 Third Term Auto Mechanic Past Questions And Answers
20 SS1 Third Term Auto Mechanic Questions with options and answers:
Question: What is the function of the differential in a vehicle’s drivetrain?
A. Control steering
B. Transfer power between axles
C. Regulate tire pressure
D. Generate electricity
Answer: B. Transfer power between axles
Question: Which part of the exhaust system helps reduce harmful emissions by converting pollutants into less harmful substances?
A. Muffler
B. Catalytic converter
C. Resonator
D. Exhaust manifold
Answer: B. Catalytic converter
Question: What is the purpose of the timing belt in an internal combustion engine?
A. Transfer power to the wheels
B. Control exhaust emissions
C. Synchronize engine components
D. Regulate tire pressure
Answer: C. Synchronize engine components
Question: Which component in the ignition system generates the high voltage needed to spark the spark plugs?
A. Spark plug
B. Ignition coil
C. Distributor cap
D. Camshaft position sensor
Answer: B. Ignition coil
Question: What is the purpose of the PCV (Positive Crankcase Ventilation) valve in an engine?
A. Transfer power to the wheels
B. Control exhaust emissions
C. Mix air and fuel
D. Regulate tire pressure
Answer: B. Control exhaust emissions
Question: In a front-wheel-drive vehicle, what is the purpose of the CV joints?
A. Transfer power between axles
B. Synchronize engine components
C. Allow for suspension movement
D. Transfer power to the wheels
Answer: D. Transfer power to the wheels
Question: What is the role of the power steering pump in the power steering system?
A. Cool the engine
B. Assist in steering
C. Regulate tire pressure
D. Generate electricity
Answer: B. Assist in steering
Question: Which type of suspension system uses a single, solid axle to connect the wheels?
A. MacPherson strut
B. Independent suspension
C. Solid axle
D. Torsion beam
Answer: C. Solid axle
Question: What does the acronym CVT stand for in the context of automotive transmissions?
A. Continuous Variable Transmission
B. Centralized Vehicle Technology
C. Controlled Viscosity Transfer
D. Constant Velocity Transmission
Answer: A. Continuous Variable Transmission
Question: What is the purpose of the flywheel in a manual transmission system?
A. Engage and disengage the engine from the gearbox
B. Control exhaust emissions
C. Synchronize engine components
D. Transfer power to the wheels
Answer: A. Engage and disengage the engine from the gearbox
Question: In an automatic transmission, what is the purpose of the torque converter?
A. Engage and disengage the engine from the gearbox
B. Transfer power between axles
C. Synchronize engine components
D. Regulate tire pressure
Answer: A. Engage and disengage the engine from the gearbox
Question: What is the purpose of the intake manifold in an engine?
A. Transfer power to the wheels
B. Mix air and fuel
C. Control exhaust emissions
D. Regulate tire pressure
Answer: B. Mix air and fuel
Question: Which component in the braking system applies force to the brake pads or shoes?
A. Brake caliper
B. Brake master cylinder
C. Brake rotor
D. Brake booster
Answer: A. Brake caliper
Question: What is the function of the ABS (Anti-Lock Braking System) in a vehicle?
A. Increase braking force
B. Prevent wheel lock-up during braking
C. Improve fuel efficiency
D. Control steering
Answer: B. Prevent wheel lock-up during braking
Question: Which type of engine uses a rotating triangular rotor instead of traditional pistons?
A. Inline-4 engine
B. Wankel engine
C. V6 engine
D. V8 engine
Answer: B. Wankel engine
Question: What is the purpose of the MAP (Manifold Absolute Pressure) sensor in an engine?
A. Measure the amount of oxygen in exhaust gases
B. Monitor the pressure in the intake manifold
C. Control exhaust emissions
D. Regulate tire pressure
Answer: B. Monitor the pressure in the intake manifold
Question: Which type of brake system uses a disc and caliper arrangement for stopping the vehicle?
A. Drum brakes
B. Hydraulic brakes
C. Disc brakes
D. Anti-Lock Braking System (ABS)
Answer: C. Disc brakes
Question: What is the purpose of the thermostat in a vehicle’s cooling system?
A. Control exhaust emissions
B. Regulate tire pressure
C. Control the temperature of the engine coolant
D. Transfer power to the wheels
Answer: C. Control the temperature of the engine coolant
Question: In a fuel-injected engine, what component regulates the amount of fuel delivered to the engine?
A. Fuel injector
B. Throttle body
C. Fuel pump
D. Oxygen (O2) sensor
Answer: A. Fuel injector
Question: What is the purpose of the transmission fluid in an automatic transmission?
A. Lubricate engine components
B. Cool the transmission
C. Regulate tire pressure
D. Assist in steering
Answer: B. Cool the transmission.
