True or False Concept Questions
1. The carcass is the main structural framework of a tire.
2. Tubeless tires require a separate inner tube to hold air.
3. The aspect ratio of a tire affects both ride comfort and traction.
4. The bead of a tire helps secure it to the rim.
5. The tread pattern has no effect on a tire’s ability to transmit forces to the road.
6. Wheel balancing is only necessary when replacing a tire.
7. Under-inflated tires can lead to increased fuel consumption and premature failure.
8. The speed rating of a tire indicates the maximum speed at which it is safe to operate.
9. Wheel alignment and wheel balancing are the same procedure.
Part two
Choice the correct answer from the given alternator
1. What is the primary function of pneumatic tires on a vehicle?
A) To reduce engine noise B) To transfer forces between the road and the vehicle
C) To increase fuel consumption D) To provide vehicle color
2. Which part of the tire provides the main structural framework?
A) Tread B) Carcass (casing) C) Bead D) Sidewall
3. The tread of a tire serves to:
A) Display the manufacturer's logo B) Hold air inside the tire
C) Protect the carcass and provide traction D) Support the bead
4. Bias-ply tires are characterized by:
A) Cords running at 90 degrees to the centerline B) No cords at all
C) Cords running diagonally in a crisscross pattern D) Only rubber layers
5. Which tire type does NOT have an inner tube?
A) Tubeless tire B) Tube tire C) Bias-ply tire D) Belted bias tire
6. In a tire size P215/65 R15, what does '215' represent?
A) Rim diameter in inches B) Tire width in millimeters C) Aspect ratio D) Load index
7. The aspect ratio in a tire size indicates:
A) Tire width B) Tire height as a percentage of width C) Rim diameter D) Speed rating
8. The main reason for rotating tires is to:
A) Equalize wear B) Avoid ply separation C) Get a better ride D) Reduce bump
9. What does the 'R' in P215/65 R15 indicate?
A) Radial construction B) Rim size C) Run-flat design D) Rubber compound
10. Which of the following is NOT a component of a tire?
A) Carcass B) Belt C) Axle D) Bead
11. The load index in a tire size code tells you:
A) The maximum speed B) The maximum load the tire can carry
C) The tire width D) The rim diameter
12. What is the main purpose of balancing a wheel/tire assembly?
A) To increase tire pressure B) To equalize weight for smooth spinning
C) To improve tire color D) To make the tire last longer
13. Which of the following is a sign that your car needs a wheel balance?
A) Steering wheel vibration at high speeds B) Engine overheating
C) Low oil pressure D) Excessive exhaust smoke
14. What is the main risk of under-inflated tires?
A) Increased tread life B) Reduced fuel economy and possible tire failure
C) Improved handling D) Lower emissions
15. Where is the recommended cold inflation pressure for a vehicle’s tires usually found?
A) On the tire tread B) In the owner’s manual or placard
C) On the engine D) On the windshield
16. Which construction type offers greater fuel economy and increased skid resistance?
A) Bias-ply B) Radial-ply C) Belted bias-ply D) Tube tire
