CDL Exam Coach

CDL Exam Coach FAQ

CDL Core Prep

What topics does the CDL Core Prep cover?

This course's blueprint has 1 area: General Knowledge (100%).

What can I study free for the CDL Core Prep?

Inspection Procedures, Stopping Math & Following Distance and Adverse Conditions — the first 3 modules of 13 — with lessons, cards and the module quiz, no payment details needed.

How much is the full CDL Core Prep course?

$24.99 once for all 13 modules, 459 practice questions and 6 practice forms. No subscription.

Start the CDL Core Prep course →

CDL HazMat (H) Endorsement Knowledge Test

How many questions are on the CDL HazMat (H) Endorsement Knowledge Test?

30. Format: ~30 questions, pass 80% (24 of 30 typical), knowledge only, no skills test.

What do you need to pass the CDL HazMat (H) Endorsement Knowledge Test?

24.

Who runs the CDL HazMat (H) Endorsement Knowledge Test?

State DMV/DOT under FMCSA. This site is independent study material and is not affiliated with the exam owner.

What topics does the CDL HazMat (H) Endorsement Knowledge Test cover?

This course's blueprint has 6 areas: Hazard Classes & Placards (43.3%), Communication (10%), Cargo Handling (10%), Driving & Parking (23.3%), Emergencies (6.7%) and Licensing Process (6.7%).

What can I study free for the CDL HazMat (H) Endorsement Knowledge Test?

Hazard Classes 1-9 and Placard Tables 1 & 2 — the first 2 modules of 8 — with lessons, cards and the module quiz, no payment details needed.

How much is the full CDL HazMat (H) Endorsement Knowledge Test course?

$9.99 once for all 8 modules, 40 practice questions and 2 practice forms. No subscription.

Read the CDL HazMat (H) Endorsement Knowledge Test study guide →

CDL Tanker (N) endorsement knowledge test

Who runs the CDL Tanker (N) endorsement knowledge test?

state DMV/DOT under FMCSA. This site is independent study material and is not affiliated with the exam owner.

What topics does the CDL Tanker (N) endorsement knowledge test cover?

This course's blueprint has 7 areas: Definition & Scope (16%), Surge Physics (22%), Tank Types (20%), Outage & Filling (12%), Braking & Stopping (16%), Curves & Rollover (9%) and Inspection & Emergencies (5%).

What official materials should I read for the CDL Tanker (N) endorsement knowledge test?

49 CFR 383.5 and State CDL Manual.

What can I study free for the CDL Tanker (N) endorsement knowledge test?

Do I Even Need the N? — the 119/1,000 rule and The Surge Story — feel the load move — the first 2 modules of 7 — with lessons, cards and the module quiz, no payment details needed.

How much is the full CDL Tanker (N) endorsement knowledge test course?

$9.99 once for all 7 modules, 45 practice questions and 2 practice forms. No subscription.

Read the CDL Tanker (N) endorsement knowledge test study guide →

CDL Passenger (P) Endorsement Written Knowledge Test

How many questions are on the CDL Passenger (P) Endorsement Written Knowledge Test?

20. Format: multiple-choice, THREE choices (NY CDL-10 §1.4.1). Source: NY CDL-10 Section 4 (11/25) + Section 1 (2/26).

How long is the CDL Passenger (P) Endorsement Written Knowledge Test?

no per-test time limit published. Source: NY CDL-10 Section 4 (11/25) + Section 1 (2/26).

What do you need to pass the CDL Passenger (P) Endorsement Written Knowledge Test?

80% (federal floor 49 CFR 383.135(a)(1); NY CDL-10 §1.4.1). Source: NY CDL-10 Section 4 (11/25) + Section 1 (2/26).

Who runs the CDL Passenger (P) Endorsement Written Knowledge Test?

State DMV/DOT under FMCSA. This site is independent study material and is not affiliated with the exam owner.

What topics does the CDL Passenger (P) Endorsement Written Knowledge Test cover?

This course's blueprint has 7 areas: Railroad Crossings & Drawbridges (22%), Prohibited Practices (20%), Hazmat on a Bus (16%), Vehicle Inspection (16%), Passenger Management (12%), Driving a Bus (8%) and The P Path & Process (6%).

Which CDL Passenger (P) Endorsement Written Knowledge Test concepts does this course emphasize most?

Never use the brake-door interlock in place of the parking brake..

What official materials should I read for the CDL Passenger (P) Endorsement Written Knowledge Test?

NY CDL-10 §4.4.5, NY CDL-10 §4.4.6, NY CDL-10 §2.15.1, NY CDL-10 §2.15.3 and NY CDL-10 §4.6.

What can I study free for the CDL Passenger (P) Endorsement Written Knowledge Test?

The Tracks and the Draw: The Numbers and What You Never Do With Riders Aboard — the first 2 modules of 7 — with lessons, cards and the module quiz, no payment details needed.

How much is the full CDL Passenger (P) Endorsement Written Knowledge Test course?

$9.99 once for all 7 modules, 48 practice questions and 2 practice forms. No subscription.

Read the CDL Passenger (P) Endorsement Written Knowledge Test study guide →

CDL School Bus (S) Endorsement

How many questions are on the CDL School Bus (S) Endorsement?

20. Source: Current state CDL Manual + state addenda.

What do you need to pass the CDL School Bus (S) Endorsement?

16. Source: Current state CDL Manual + state addenda.

Who runs the CDL School Bus (S) Endorsement?

State DMV/DOT under FMCSA (employment extras via state education agencies). This site is independent study material and is not affiliated with the exam owner.

What topics does the CDL School Bus (S) Endorsement cover?

This course's blueprint has 7 areas: Danger Zone (20%), Mirror Systems (16%), Loading & Unloading (22%), Railroad Crossings & Track Stalls (14%), Emergency Evacuation (12%), Student Management & Equipment (10%) and The P→S Path & Process (6%).

Which CDL School Bus (S) Endorsement concepts does this course emphasize most?

The danger zone: up to 30 ft in front, ~10 ft around the sides and rear, Students cross at least 10 ft IN FRONT of the bus, on the driver's signal, never behind, Activate AMBER warning lights at the state distance; ambers mean 'about to stop', After a full stop and securing the bus: RED lights + extend the STOP ARM = traffic must stop, Students board or exit only on the driver's signal; COUNT students on and off, End of route: walk the bus to check for sleeping children, At a railroad crossing stop 15–50 ft from the nearest rail; open the door and/or window, look and listen and Evacuate only when staying is more dangerous; otherwise often safest aboard, plus 1 more listed in the study guide.

What official materials should I read for the CDL School Bus (S) Endorsement?

49 CFR 392.10, 49 CFR Part 380, State CDL Manual, FMCSA endorsement rules and FMCSA 49 CFR Part 380.

What can I study free for the CDL School Bus (S) Endorsement?

School-Bus Danger Zones — New York Reference and Mirror Systems — what each mirror shows — the first 2 modules of 7 — with lessons, cards and the module quiz, no payment details needed.

How much is the full CDL School Bus (S) Endorsement course?

$9.99 once for all 7 modules, 28 practice questions and 2 practice forms. No subscription.

Read the CDL School Bus (S) Endorsement study guide →

CDL Doubles/Triples (T) Endorsement knowledge test

How many questions are on the CDL Doubles/Triples (T) Endorsement knowledge test?

20. Format: multiple choice, knowledge only (no skills test, no TSA, no ELDT for T). Source: current state CDL manual.

How long is the CDL Doubles/Triples (T) Endorsement knowledge test?

untimed/state-set. Source: current state CDL manual.

What do you need to pass the CDL Doubles/Triples (T) Endorsement knowledge test?

80% (16 of 20 typical; verify state count). Source: current state CDL manual.

Who runs the CDL Doubles/Triples (T) Endorsement knowledge test?

State DMV/DOT under FMCSA. This site is independent study material and is not affiliated with the exam owner.

What topics does the CDL Doubles/Triples (T) Endorsement knowledge test cover?

This course's blueprint has 7 areas: Coupling (25%), Uncoupling (15%), Air System (20%), Placement (8%), Safe Operation (17%), Inspection (10%) and Triples and LCV (5%).

Which CDL Doubles/Triples (T) Endorsement knowledge test concepts does this course emphasize most?

What is the correct order to couple a set of doubles?, When you build a set of doubles, which trailer goes right behind the tractor?, How do you know the dolly fifth wheel is properly coupled under the rear trailer?, What is the one rule you must never break when uncoupling a set of doubles?, Why is it dangerous to open the pintle hook with the dolly still under the rear trailer?, On a set of doubles, which air-line shut-off valves must be OPEN and which must be CLOSED?, How do you check that air actually reaches the brakes on the last trailer of a set? and How do you decide which trailer goes where in a set of doubles or triples?, plus 2 more listed in the study guide.

What official materials should I read for the CDL Doubles/Triples (T) Endorsement knowledge test?

State CDL Manual - Doubles and Triples section, State CDL Manual - Combination Vehicles section and FMCSA Entry-Level Driver Training rule.

What can I study free for the CDL Doubles/Triples (T) Endorsement knowledge test?

Hook the Set: Coupling Order and Dolly Out Before Pintle Open — the first 2 modules of 7 — with lessons, cards and the module quiz, no payment details needed.

How much is the full CDL Doubles/Triples (T) Endorsement knowledge test course?

$9.99 once for all 7 modules, 41 practice questions and 2 practice forms. No subscription.

Read the CDL Doubles/Triples (T) Endorsement knowledge test study guide →