SS1 Third Term Auto Mechanic Past Questions and Answers (Objective and Theory)

 

Section A: Multiple Choice Questions (Third Term)

 

Question: What is the purpose of a transmission cooler in an automatic transmission system?

 

A) Preventing engine overheating

B) Cooling the transmission fluid

C) Enhancing fuel efficiency

D) Regulating exhaust emissions

Answer: B) Cooling the transmission fluid

 

Question: In a hybrid vehicle, what does the term “regenerative braking” refer to?

 

A) Charging the battery during braking

B) Enhancing acceleration

C) Reducing engine noise

D) Improving suspension

Answer: A) Charging the battery during braking

 

Question: What is the primary purpose of an oxygen sensor in a car’s exhaust system?

 

A) Monitoring tire pressure

B) Regulating fuel injection

C) Measuring oxygen levels in exhaust gases

D) Controlling suspension settings

Answer: C) Measuring oxygen levels in exhaust gases

 

Question: The term “camshaft” is associated with controlling:

 

A) Fuel injection

B) Valve timing

C) Exhaust emissions

D) Spark plug firing order

Answer: B) Valve timing

 

Question: What is the function of a catalytic converter in a car’s exhaust system?

 

A) Enhancing engine power

B) Reducing harmful emissions

C) Cooling exhaust gases

D) Regulating tire pressure

Answer: B) Reducing harmful emissions

 

Question: The component responsible for converting reciprocating motion into rotational motion in an engine is the:

 

A) Crankshaft

B) Piston

C) Camshaft

D) Flywheel

Answer: A) Crankshaft

 

Question: What is the purpose of a powertrain in an automobile?

 

A) Controlling steering

B) Transmitting power to the wheels

C) Regulating engine temperature

D) Monitoring fuel efficiency

Answer: B) Transmitting power to the wheels

 

Question: The acronym CVT in automotive technology stands for:

 

A) Continuous Variable Transmission

B) Controlled Vibration Technology

C) Centralized Valve Timing

D) Compression Volume Tester

Answer: A) Continuous Variable Transmission

 

Question: What does the term “torque converter” refer to in an automatic transmission system?

 

A) Device for measuring engine torque

B) Component enhancing fuel efficiency

C) Fluid coupling for smooth power transmission

D) Controller for exhaust emissions

Answer: C) Fluid coupling for smooth power transmission

 

Question: The purpose of a PCV (Positive Crankcase Ventilation) valve is to:

 

A) Control tire pressure

B) Recirculate exhaust gases

C) Regulate engine temperature

D) Ventilate crankcase fumes

Answer: D) Ventilate crankcase fumes

 

Section B: Theory Questions (Third Term)

 

Question: Explain the concept of electronic stability control (ESC) and its significance in vehicle safety.

 

Question: Discuss the advantages and challenges of electric power steering systems compared to traditional hydraulic power steering.

 

Question: Describe the role of the serpentine belt in an engine and its importance for various components.

 

Question: Explain the concept of hybrid synergy drive in hybrid vehicles and how it contributes to fuel efficiency.

 

Question: Discuss the impact of modern automotive technology on fuel efficiency and environmental sustainability.