SS2 Second Term Auto Mechanic Past Questions And Answers
Here are 20 SS2 Second Term Auto Mechanic Questions with options and answers:
Question: What is the function of the EGR (Exhaust Gas Recirculation) system in an engine?
A. Increase fuel efficiency
B. Reduce emissions by recirculating exhaust gases
C. Enhance engine power
D. Improve tire traction
Answer: B. Reduce emissions by recirculating exhaust gases
Question: The term “oversteer” in vehicle dynamics refers to:
A. Front wheels losing traction
B. Rear wheels losing traction
C. Uneven tire wear
D. Brake system failure
Answer: B. Rear wheels losing traction
Question: Which type of suspension system is known for providing a smooth ride in luxury vehicles?
A. MacPherson strut
B. Double wishbone
C. Independent rear suspension
D. Leaf spring suspension
Answer: C. Independent rear suspension
Question: What is the purpose of the fuel pump in a vehicle?
A. Distribute engine power
B. Ignite the fuel-air mixture
C. Pump fuel from the tank to the engine
D. Regulate tire pressure
Answer: C. Pump fuel from the tank to the engine
Question: The term “torque” in an automotive context refers to:
A. Engine speed
B. Turning force applied to a shaft
C. Brake pedal pressure
D. Suspension stiffness
Answer: B. Turning force applied to a shaft
Question: What does the acronym ABS stand for in the context of brakes?
A. Anti-Brake System
B. Automatic Brake Sensing
C. Anti-lock Braking System
D. Accelerated Brake Support
Answer: C. Anti-lock Braking System
Question: The purpose of a CV joint (Constant Velocity Joint) is to:
A. Transfer engine power to the wheels
B. Control suspension movement
C. Provide smooth power delivery at varying angles
D. Cool the transmission
Answer: C. Provide smooth power delivery at varying angles
Question: What is the function of the throttle body in an engine?
A. Control suspension movement
B. Regulate fuel injection
C. Distribute engine power
D. Adjust tire pressure
Answer: B. Regulate fuel injection
Question: The term “camber” in wheel alignment refers to the:
A. Side-to-side tilt of the wheels
B. Front-to-back tilt of the wheels
C. Rotation of the wheels
D. Tire pressure
Answer: A. Side-to-side tilt of the wheels
Question: In a power steering system, what type of fluid is commonly used?
A. Brake fluid
B. Transmission fluid
C. Power steering fluid
D. Engine coolant
Answer: C. Power steering fluid
Question: What does the term “compression ratio” refer to in an engine?
A. Ratio of fuel to air in the combustion chamber
B. Ratio of brake horsepower to engine horsepower
C. Ratio of tire pressure to suspension height
D. Ratio of engine speed to transmission speed
Answer: A. Ratio of fuel to air in the combustion chamber
Question: The purpose of the catalytic converter in the exhaust system is to reduce emissions of:
A. Nitrogen oxides
B. Carbon dioxide
C. Hydrocarbons and carbon monoxide
D. Sulfur dioxide
Answer: C. Hydrocarbons and carbon monoxide
Question: What is the role of the timing belt in an engine?
A. Control suspension movement
B. Regulate fuel injection
C. Synchronize the movement of engine components
D. Adjust tire pressure
Answer: C. Synchronize the movement of engine components
Question: Which part of the engine is responsible for converting reciprocating motion into rotational motion?
A. Piston
B. Crankshaft
C. Camshaft
D. Connecting rod
Answer: B. Crankshaft
Question: The purpose of the PCV (Positive Crankcase Ventilation) system is to:
A. Reduce engine temperature
B. Regulate tire pressure
C. Control emissions by venting crankcase gases
D. Distribute engine power
Answer: C. Control emissions by venting crankcase gases
Question: What is the function of the transmission cooler in an automatic transmission system?
A. Regulate tire pressure
B. Cool the transmission fluid
C. Control suspension movement
D. Filter engine oil
Answer: B. Cool the transmission fluid
Question: The term “tread” on a tire refers to:
A. The pattern of grooves on the tire surface
B. The thickness of the tire
C. The diameter of the tire
D. The type of rubber used in the tire
Answer: A. The pattern of grooves on the tire surface
Question: Which type of brake system uses hydraulic pressure to amplify braking force?
A. Disc brakes
B. Drum brakes
C. ABS brakes
D. Vacuum-assisted brakes
Answer: D. Vacuum-assisted brakes
Question: The function of the knock sensor in an engine is to:
A. Regulate tire pressure
B. Detect and prevent engine knocking
C. Control suspension movement
D. Filter engine oil
Answer: B. Detect and prevent engine knocking
Question: What is the purpose of the O2 sensor (oxygen sensor) in the exhaust system?
A. Regulate tire pressure
B. Measure and monitor oxygen levels in the exhaust gases
C. Control suspension movement
D. Filter engine oil
Answer: B. Measure and monitor oxygen levels in the exhaust gases.
