1|Page
INSTRUCTOR TEST 125 QUESTIONS AND
ANSWERS 100% CORRECT | LATEST
UPDATE 2025/2026
Which of the following is not a commercial driver's license endorsement? -
CORRECT ANSWER ✔✔- Emergency
You will need a passenger endorsement on your current CDL if you drive the vie I
left desired to carry? - CORRECT ANSWER ✔✔- 16 passengers
Vehicle lesson given by accredited CDL driving school may not exceed? -
CORRECT ANSWER ✔✔- No Limit
Secretary of transportation shall disqualify an operator commercial CDL if he/she
is found to have committed? - CORRECT ANSWER ✔✔- All the below:
1. Operating vehicle under the influence above 0.4% alcohol BAC
2. Leaving the scene of an accident involving a commercial motor vehicle
3. Felony involving the use of CDL vehicle
What is not considered as a serious traffic violation affecting your CDL? -
CORRECT ANSWER ✔✔- Exceeding the posted speed limit by 10 miles per
hour.
(What is a serious traffic violation:
1. Wreck-less Driving
2. Exceeding the posted speed limit by 16 or more miles per hour
3. Improper or erratic lane changes
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License of driving instructor will expire within? - CORRECT ANSWER ✔✔- 2
years from the date of issue.
Second division vehicle operator must carry a medical examination certification at
all times when driving a vehicle with a gross weight at least? - CORRECT
ANSWER ✔✔- 10,000 pounds
Which of the following vehicles must stop for railroad crossing? - CORRECT
ANSWER ✔✔- All of the below:
1. City Bus
2. School Bus
3. Gas Truck
How many driving classifications are in Illinois? - CORRECT ANSWER ✔✔- 6
different driving classifications
A commercial motor vehicle is defined as? - CORRECT ANSWER ✔✔- All of the
below:
1. Transporting hazardous materials
2. Used to transport 16 or more passengers
3. Single vehicle with a GVWR of 26,001 lbs or more.
Which of the following drivers will not be waived from the requirements of
holding a CDL? - CORRECT ANSWER ✔✔- Non military government vehicle
operators.
(Who is waived:
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1. Fire fighting equipment operators
2. Military vehicle operators
3. Farmers operating their own vehicle
Commercial driving training schooool must be open for business? - CORRECT
ANSWER ✔✔- 8 hours
In order to be licensed as a driving instructor at any commercial driving school you
must? - CORRECT ANSWER ✔✔- All of the below:
1. Hold a valid driving license
2. Hold a commercial driving training school license
3. Posses a good physical and mental health
Disqualification means? - CORRECT ANSWER ✔✔- All of the below:
1. Suspension, revocation, cancellation or any withdrawal state or personal
privilege to drive.
2. Determination by FHWA, that person is no longer qualified to CDL, according
to act 391
3. Loss of qualification, which follow after felony convictions of any offense,
listed in public act 393, 51.
What part of the vehicle does not need to be covered in the pre-trip inspection test?
- CORRECT ANSWER ✔✔- Radio
T/F:
INSTRUCTOR TEST 125 QUESTIONS AND
ANSWERS 100% CORRECT | LATEST
UPDATE 2025/2026
Which of the following is not a commercial driver's license endorsement? -
CORRECT ANSWER ✔✔- Emergency
You will need a passenger endorsement on your current CDL if you drive the vie I
left desired to carry? - CORRECT ANSWER ✔✔- 16 passengers
Vehicle lesson given by accredited CDL driving school may not exceed? -
CORRECT ANSWER ✔✔- No Limit
Secretary of transportation shall disqualify an operator commercial CDL if he/she
is found to have committed? - CORRECT ANSWER ✔✔- All the below:
1. Operating vehicle under the influence above 0.4% alcohol BAC
2. Leaving the scene of an accident involving a commercial motor vehicle
3. Felony involving the use of CDL vehicle
What is not considered as a serious traffic violation affecting your CDL? -
CORRECT ANSWER ✔✔- Exceeding the posted speed limit by 10 miles per
hour.
(What is a serious traffic violation:
1. Wreck-less Driving
2. Exceeding the posted speed limit by 16 or more miles per hour
3. Improper or erratic lane changes
,2|Page
License of driving instructor will expire within? - CORRECT ANSWER ✔✔- 2
years from the date of issue.
Second division vehicle operator must carry a medical examination certification at
all times when driving a vehicle with a gross weight at least? - CORRECT
ANSWER ✔✔- 10,000 pounds
Which of the following vehicles must stop for railroad crossing? - CORRECT
ANSWER ✔✔- All of the below:
1. City Bus
2. School Bus
3. Gas Truck
How many driving classifications are in Illinois? - CORRECT ANSWER ✔✔- 6
different driving classifications
A commercial motor vehicle is defined as? - CORRECT ANSWER ✔✔- All of the
below:
1. Transporting hazardous materials
2. Used to transport 16 or more passengers
3. Single vehicle with a GVWR of 26,001 lbs or more.
Which of the following drivers will not be waived from the requirements of
holding a CDL? - CORRECT ANSWER ✔✔- Non military government vehicle
operators.
(Who is waived:
, 3|Page
1. Fire fighting equipment operators
2. Military vehicle operators
3. Farmers operating their own vehicle
Commercial driving training schooool must be open for business? - CORRECT
ANSWER ✔✔- 8 hours
In order to be licensed as a driving instructor at any commercial driving school you
must? - CORRECT ANSWER ✔✔- All of the below:
1. Hold a valid driving license
2. Hold a commercial driving training school license
3. Posses a good physical and mental health
Disqualification means? - CORRECT ANSWER ✔✔- All of the below:
1. Suspension, revocation, cancellation or any withdrawal state or personal
privilege to drive.
2. Determination by FHWA, that person is no longer qualified to CDL, according
to act 391
3. Loss of qualification, which follow after felony convictions of any offense,
listed in public act 393, 51.
What part of the vehicle does not need to be covered in the pre-trip inspection test?
- CORRECT ANSWER ✔✔- Radio
T/F:
