SS2 First Term Auto Mechanic Past Questions and Answers (Objective and Theory)

 

20 multiple-choice questions for Senior Secondary School 2 (SS2) first term Auto Mechanic, along with options and answers:

 

Section A: Multiple Choice

Question: What does ABS stand for in automotive terminology?

 

A) Automatic Brake System

B) Anti-Lock Braking System

C) Accelerated Brake System

D) Advanced Brake Sensation

Answer: B) Anti-Lock Braking System

 

Question: Which engine component is responsible for igniting the air-fuel mixture in a petrol engine?

 

A) Alternator

B) Spark Plug

C) Carburetor

D) Radiator

Answer: B) Spark Plug

 

Question: What is the purpose of a catalytic converter in a car?

 

A) Increases fuel efficiency

B) Reduces exhaust emissions

C) Boosts engine power

D) Enhances suspension

Answer: B) Reduces exhaust emissions

 

Question: In a manual transmission, what is the purpose of the clutch?

 

A) Controls steering

B) Changes gears

C) Regulates engine temperature

D) Adjusts brake pressure

Answer: B) Changes gears

 

Question: Which type of engine uses a combination of an internal combustion engine and an electric motor?

 

A) Diesel engine

B) Hybrid engine

C) Rotary engine

D) Turbine engine

Answer: B) Hybrid engine

 

Question: What is the function of the radiator in a car’s cooling system?

 

A) Generates electricity

B) Cools the engine

C) Regulates air intake

D) Controls fuel injection

Answer: B) Cools the engine

 

Question: Which tool is used to measure the tire pressure in a car?

 

A) Tachometer

B) Pressure gauge

C) Vernier caliper

D) Multimeter

Answer: B) Pressure gauge

 

Question: What does the term “oversteer” refer to in vehicle dynamics?

 

A) Rear tires losing traction

B) Front tires losing traction

C) Excessive brake force

D) Engine misfire

Answer: A) Rear tires losing traction

 

Question: The serpentine belt in a car is responsible for driving which components?

 

A) Radiator fan and alternator

B) Power steering pump and water pump

C) Brake system and transmission

D) Spark plugs and fuel injectors

Answer: B) Power steering pump and water pump

 

Question: What is the purpose of the differential in a vehicle?

 

A) Controls suspension

B) Distributes engine power to the wheels

C) Adjusts tire pressure

D) Manages exhaust emissions

Answer: B) Distributes engine power to the wheels

 

Question: Which type of brake system uses a hydraulic fluid to transmit force?

A) Mechanical brakes

B) Drum brakes

C) Disc brakes

D) Hydraulic brakes

Answer: D) Hydraulic brakes

 

Question: What is the function of the fuel injector in a modern petrol engine?

A) Ignites the fuel-air mixture

B) Regulates exhaust emissions

C) Sprays fuel into the combustion chamber

D) Adjusts tire pressure

Answer: C) Sprays fuel into the combustion chamber

 

Question: In the context of tires, what does PSI stand for?

A) Pressure per Square Inch

B) Pounds of Steering Input

C) Petrol System Indicator

D) Power Steering Integration

Answer: A) Pressure per Square Inch

 

Question: Which part of the car’s suspension system absorbs shocks and vibrations?

A) Shock absorber

B) Coil spring

C) Sway bar

D) Control arm

Answer: A) Shock absorber

 

Question: What is the purpose of the alternator in a car?

A) Cools the engine

B) Generates electricity

C) Adjusts tire pressure

D) Controls fuel injection

Answer: B) Generates electricity

 

Question: Which component is responsible for regulating the engine’s air-fuel mixture?

A) Spark plug

B) Carburetor

C) Fuel pump

D) Camshaft

Answer: B) Carburetor

 

Question: What does the term “torque” refer to in the context of an engine?

A) Force that causes rotation

B) Engine temperature

C) Brake efficiency

D) Exhaust pressure

Answer: A) Force that causes rotation

 

Question: What is the function of the transmission in a vehicle?

A) Cools the engine

B) Changes gears

C) Distributes engine power

D) Regulates air intake

Answer: B) Changes gears

 

Question: Which type of suspension system provides a smoother ride but is more complex?

A) Independent suspension

B) Solid axle suspension

C) MacPherson strut suspension

D) Torsion bar suspension

Answer: A) Independent suspension

 

Question: What is the purpose of the power steering pump in a car?

A) Generates electricity

B) Controls tire pressure

C) Facilitates easy steering

D) Adjusts brake pressure

Answer: C) Facilitates easy steering

 

Section B: Theory

Question: Explain the concept of ABS (Anti-Lock Braking System) and its importance in modern vehicles.

 

Question: Describe the role of a catalytic converter in the exhaust system of a car and its environmental impact.

 

Question: Discuss the working principle of a hybrid engine and its advantages in terms of fuel efficiency.

 

Question: Explain the function of a differential in a vehicle and how it contributes to smooth cornering.

 

Question: Describe the purpose of the serpentine belt in a car’s engine and the consequences of its failure.