FLORIDA CDL CLASS A: GENERAL KNOWLEDGE 2026/2027 |
COMPLETE VERIFIED EXAM SOLUTIONS - COMPREHENSIVE
QUESTIONS AND ANSWERS - CURRENT VERSION
1. What is the most important reason for doing a vehicle
inspection? ANSWER : Safety—it is the most important reason you
inspect your vehicle for yourself and for other road users.
2. What things should you check during a trip? ANSWER : Watch
gauges for signs of trouble and use your senses to check for
problems (look, listen, smell, feel).
3. Name some key steering system parts. ANSWER : Steering wheel,
Tie Rod, Steering Shaft, Power Steering Cylinder, Steering Arm,
Hydraulic Fluid Reservoir, Gear Box, Drag Link, Pitman Arm,
Steering Knuckle, and Spindle.
4. Name some suspension system defects. ANSWER : Cracked or
broken spring hangers, and missing or broken leaves in any leaf
spring (if 1/4 or more are missing, it will put the vehicle out of
service).
5. What three kinds of emergency equipment must you have?
ANSWER : Fire extinguishers, spare electrical fuses (unless
equipped with circuit breakers), and warning devices for parked
vehicles (three reflective triangles, at least six fuses, or three liquid-
burning flares).
6. What is the minimum tread depth for front tires? For other
tires? ANSWER : 4/32-inch for front tires and 2/32-inch for other
tires.
, 7. Name some things you should check on the front of your
vehicle during the walk-around inspection. ANSWER : Check that
low beams are on, both four-way flashers are working, push the
dimmer switch to check high beams, turn off headlights and four-
way flashers, and turn on parking, clearance, side marker, and
identification lights, and the right turn signal.
8. What should wheel bearing seals be checked for? ANSWER :
Leaks.
9. How many red reflective triangles should you carry? ANSWER :
3.
10. How do you test hydraulic brakes for leaks? ANSWER :
Pump the brake pedal three times, then apply firm pressure to the
pedal and hold for five seconds. The pedal should not move.
11. Why put the starter switch key in your pocket during the
vehicle inspection? ANSWER : For your safety.
12. What should you look for when checking the oil pressure
gauge? ANSWER : It should come up to normal within seconds after
the engine is started.
13. What is the standard for air pressure buildup in a
vehicle? ANSWER : Pressure should build from 50 to 90 psi within
three minutes.
14. What are the typical governor cut-out settings? ANSWER :
120-140 psi.
15. What does GCWR stand for? ANSWER : Gross Combination
Weight Rating.
16. What does GVWR stand for? ANSWER : Gross Vehicle
Weight Rating.
17. How is GCWR determined? ANSWER : It is provided by the
manufacturer of the power unit.
18. How is GVWR determined? ANSWER : It is provided by the
manufacturer as the maximum weight rating including the load.
19. What does GVW stand for? ANSWER : Gross Vehicle Weight.
COMPLETE VERIFIED EXAM SOLUTIONS - COMPREHENSIVE
QUESTIONS AND ANSWERS - CURRENT VERSION
1. What is the most important reason for doing a vehicle
inspection? ANSWER : Safety—it is the most important reason you
inspect your vehicle for yourself and for other road users.
2. What things should you check during a trip? ANSWER : Watch
gauges for signs of trouble and use your senses to check for
problems (look, listen, smell, feel).
3. Name some key steering system parts. ANSWER : Steering wheel,
Tie Rod, Steering Shaft, Power Steering Cylinder, Steering Arm,
Hydraulic Fluid Reservoir, Gear Box, Drag Link, Pitman Arm,
Steering Knuckle, and Spindle.
4. Name some suspension system defects. ANSWER : Cracked or
broken spring hangers, and missing or broken leaves in any leaf
spring (if 1/4 or more are missing, it will put the vehicle out of
service).
5. What three kinds of emergency equipment must you have?
ANSWER : Fire extinguishers, spare electrical fuses (unless
equipped with circuit breakers), and warning devices for parked
vehicles (three reflective triangles, at least six fuses, or three liquid-
burning flares).
6. What is the minimum tread depth for front tires? For other
tires? ANSWER : 4/32-inch for front tires and 2/32-inch for other
tires.
, 7. Name some things you should check on the front of your
vehicle during the walk-around inspection. ANSWER : Check that
low beams are on, both four-way flashers are working, push the
dimmer switch to check high beams, turn off headlights and four-
way flashers, and turn on parking, clearance, side marker, and
identification lights, and the right turn signal.
8. What should wheel bearing seals be checked for? ANSWER :
Leaks.
9. How many red reflective triangles should you carry? ANSWER :
3.
10. How do you test hydraulic brakes for leaks? ANSWER :
Pump the brake pedal three times, then apply firm pressure to the
pedal and hold for five seconds. The pedal should not move.
11. Why put the starter switch key in your pocket during the
vehicle inspection? ANSWER : For your safety.
12. What should you look for when checking the oil pressure
gauge? ANSWER : It should come up to normal within seconds after
the engine is started.
13. What is the standard for air pressure buildup in a
vehicle? ANSWER : Pressure should build from 50 to 90 psi within
three minutes.
14. What are the typical governor cut-out settings? ANSWER :
120-140 psi.
15. What does GCWR stand for? ANSWER : Gross Combination
Weight Rating.
16. What does GVWR stand for? ANSWER : Gross Vehicle
Weight Rating.
17. How is GCWR determined? ANSWER : It is provided by the
manufacturer of the power unit.
18. How is GVWR determined? ANSWER : It is provided by the
manufacturer as the maximum weight rating including the load.
19. What does GVW stand for? ANSWER : Gross Vehicle Weight.