CDL PRACTICE TEST (GENARAL
KNOWLEDGE) EXAM WITH CORRECT
QUESTIONS AND ANSWERS 2025
a. How long should the mud flaps on a truck and trailer be? - CORRECT-ANSWERSLong
enough to reach within 8 in of the roadway
b. If you're driving in town, how far will your recommended 12-15 second planning ahead
measure in distance? - CORRECT-ANSWERSabout a single block
c. A bridge formula restricts the axle weight for axles which... - CORRECT-ANSWERSare
closer together
d. How soon should oil pressure rise to a normal level after starting the engine? -
CORRECT-ANSWERSwithin seconds
e. If starting from a standstill on a hill, what's the best way to get moving? - CORRECT-
ANSWERSpartly engage the clutch before you take your right foot off the brake
f. Driving on a highway, it is recommended that you monitor a quarter of a mile ahead. At
highway speeds, this equates to...? - CORRECT-ANSWERS12-15 sec
g. Descending a long downgrade, which of these will help you if you have brake
difficulties? - CORRECT-ANSWERS-escape ramp
h. -a turn going uphill
i. -an open field
j. (all of the above)
, k. If you are tested and found to have a blood alcohol concentration below 0.04% but above
0.0, what will happen? - CORRECT-ANSWERSYou will be taken out of service for 24
hrs
l. Federal, State, and local regulations concerning cargo weight, securement, and cover vary
widely. Which should you obey? - CORRECT-ANSWERSall of them
m. What are two of the most common causes of tire fires? - CORRECT-ANSWERSUnder-
inflation and duals that touch
n. The minimum number of tiedowns on a load is...? - CORRECT-ANSWERS2
o. If your load protrudes more than 4 feet beyond the rear of your vehicle, which of these do
you need in Texas? - CORRECT-ANSWERS-a red flag at least 12X12 in (day)
p. -a special permit
q. -a burning red visible light (night)
r. (all of the above)
s. If an accident victim is bleeding heavily, what should you do to help? - CORRECT-
ANSWERSapply direct pressure to the wound
t. If there is an obstacle in the road and you have a choice of directions around it, why
should you choose to go right? - CORRECT-ANSWERSit will avoid driving into
oncoming traffic
u. How can you avoid temporary night blindness from other drivers' lights? - CORRECT-
ANSWERSlook at the sidelines instead
v. If you have to stop on a divided highway, how should you place your warning triangles? -
CORRECT-ANSWERSAt 10ft, 100ft and 200ft , all facing approaching traffic
KNOWLEDGE) EXAM WITH CORRECT
QUESTIONS AND ANSWERS 2025
a. How long should the mud flaps on a truck and trailer be? - CORRECT-ANSWERSLong
enough to reach within 8 in of the roadway
b. If you're driving in town, how far will your recommended 12-15 second planning ahead
measure in distance? - CORRECT-ANSWERSabout a single block
c. A bridge formula restricts the axle weight for axles which... - CORRECT-ANSWERSare
closer together
d. How soon should oil pressure rise to a normal level after starting the engine? -
CORRECT-ANSWERSwithin seconds
e. If starting from a standstill on a hill, what's the best way to get moving? - CORRECT-
ANSWERSpartly engage the clutch before you take your right foot off the brake
f. Driving on a highway, it is recommended that you monitor a quarter of a mile ahead. At
highway speeds, this equates to...? - CORRECT-ANSWERS12-15 sec
g. Descending a long downgrade, which of these will help you if you have brake
difficulties? - CORRECT-ANSWERS-escape ramp
h. -a turn going uphill
i. -an open field
j. (all of the above)
, k. If you are tested and found to have a blood alcohol concentration below 0.04% but above
0.0, what will happen? - CORRECT-ANSWERSYou will be taken out of service for 24
hrs
l. Federal, State, and local regulations concerning cargo weight, securement, and cover vary
widely. Which should you obey? - CORRECT-ANSWERSall of them
m. What are two of the most common causes of tire fires? - CORRECT-ANSWERSUnder-
inflation and duals that touch
n. The minimum number of tiedowns on a load is...? - CORRECT-ANSWERS2
o. If your load protrudes more than 4 feet beyond the rear of your vehicle, which of these do
you need in Texas? - CORRECT-ANSWERS-a red flag at least 12X12 in (day)
p. -a special permit
q. -a burning red visible light (night)
r. (all of the above)
s. If an accident victim is bleeding heavily, what should you do to help? - CORRECT-
ANSWERSapply direct pressure to the wound
t. If there is an obstacle in the road and you have a choice of directions around it, why
should you choose to go right? - CORRECT-ANSWERSit will avoid driving into
oncoming traffic
u. How can you avoid temporary night blindness from other drivers' lights? - CORRECT-
ANSWERSlook at the sidelines instead
v. If you have to stop on a divided highway, how should you place your warning triangles? -
CORRECT-ANSWERSAt 10ft, 100ft and 200ft , all facing approaching traffic
