1. What is the primary function of a catalytic converter?
(a) To increase engine power
(b) To reduce harmful emissions
(c) To improve fuel efficiency
(d) To enhance engine cooling
2. Which part of the car is responsible for converting mechanical energy into electrical energy?
(a) Alternator
(b) Battery
(c) Starter motor
(d) Spark plugs
3. What is the term for the distance between the front and rear wheels of a car?
(a) Wheelbase
(b) Track width
(c) Tread pattern
(d) Ground clearance