What may rusty streaks around wheel fasteners or shiny exposed threads indicate?
Correct answer: Loose wheel fasteners
Check every lug nut and stud; missing or loose fastening can lead to wheel separation.
Source: Texas DL-7C March 2026, section 11.5.2, PDF page 153; modernized test ↗
You find an elongated bolt hole in a rim. Why is it an inspection concern?
Correct answer: It can indicate wheel damage or looseness
Inspect rims for cracks, bends and out-of-round bolt holes; do not accept welding repairs.
Source: Texas DL-7C March 2026, section 11.5.2, PDF page 153; modernized test ↗
A leaf spring has shifted toward a tire. What hazard does the inspection chapter identify?
Correct answer: It may strike the tire or interfere with steering
Missing, cracked, broken or shifted suspension parts can affect control and stability.
Source: Texas DL-7C March 2026, section 11.5.2, PDF page 153; modernized test ↗
The suspension parts of a motor coach are not visible or accessible. What should you explain and check?
Correct answer: Explain the access limitation and check whether the vehicle sits level
A lean from side to side or front to rear may indicate a suspension problem.
Source: Texas DL-7C March 2026, section 11.5.2, PDF page 153; modernized test ↗
Why is grease or oil on accessible brake friction surfaces a serious concern?
Correct answer: It can reduce braking friction and create a fire hazard
Check accessible linings, pads, drums or discs for contamination. Lubrication does not belong on braking friction surfaces.
Source: Texas DL-7C March 2026, section 11.5.2, PDF page 153; modernized test ↗
A battery is enclosed and cannot be directly seen during the inspection test. What should you do?
Correct answer: Explain the limitation and describe the battery checks
Describe secure mounting, sound cables and tight connections without excessive corrosion, as applicable to the vehicle.
Source: Texas DL-7C March 2026, section 11.5.3, PDF page 154; modernized test ↗
What must you check about a fitted DEF tank during the external inspection?
Correct answer: Secure mounting, a tight cap and no tank or line leaks
Inspect the actual tank and its connections; do not omit it because it is separate from the diesel fuel tank.
Source: Texas DL-7C March 2026, section 11.5.3, PDF page 154; modernized test ↗
After inspecting the frame of a trailer with sliding tandems, what related locking items need attention?
Correct answer: The tandem release lever and pins
The frame check includes secure tandem adjustment hardware when fitted.
Source: Texas DL-7C March 2026, section 11.5.3, PDF page 154; modernized test ↗
To receive inspection credit for trailer air and electrical connections, which ends must you inspect?
Correct answer: Both the power-unit and trailer connections
Check seating, sealing, damage and locking at both ends, plus the condition and routing of the lines.
Source: Texas DL-7C March 2026, section 11.6.1, PDF page 155; modernized test ↗
A trailer electrical cable has visible conductors through worn insulation. What does that tell you?
Correct answer: The cable is damaged and fails the condition check
The lines must not be cut, chafed, spliced, taped or worn through; also check for pinching or dragging.
Source: Texas DL-7C March 2026, section 11.6.1, PDF page 155; modernized test ↗
A coupled semitrailer apron is not sitting flat on the fifth-wheel skid plate. What should you recognize?
Correct answer: An unsafe connection needing correction before travel
The inspection requires no gap between apron and fifth wheel, along with the other coupling checks.
Source: Texas DL-7C March 2026, section 11.6.1, PDF page 155; modernized test ↗
Your combination uses a coupling design other than a fifth wheel or pintle hook. What must you be able to explain?
Correct answer: How that coupling works and what you inspect on it
Coupling systems vary. Use the checks appropriate to the equipment you bring to the test.
Source: Texas DL-7C March 2026, section 11.6.1, PDF page 156; modernized test ↗
For a non-fifth-wheel coupling fitted with safety chains and a breakaway cable, what does the inspection include?
Correct answer: Secure crossed chains without kinks or excessive slack, and an engaged breakaway cable
Also inspect the latch and fitted safety pins; secondary devices do not replace the primary connection.
Source: Texas DL-7C March 2026, section 11.6.1, PDF page 156; modernized test ↗
The landing gear is raised, but its crank handle swings loose. Is the inspection complete?
Correct answer: No; the handle must also be secured
Check supports and pads for damage too. A loose handle can move into other traffic.
Source: Texas DL-7C March 2026, section 11.6.2, PDF page 157; modernized test ↗
Why must fifth-wheel position provide clearance between the tractor frame and landing gear?
Correct answer: They must not collide during turns
Check turning clearance with the actual fixed or sliding fifth-wheel arrangement.
Source: Texas DL-7C March 2026, section 11.6.2, PDF page 157; modernized test ↗
Your road-test route lacks a particular traffic situation. How might the examiner assess it?
Correct answer: Ask you to explain what you would do in a simulated situation
Be ready to describe the correct procedure even when that feature is absent from the route.
Source: Texas DL-7C March 2026, section 13, PDF page 169; modernized test ↗
While stopped waiting for a turn, how should the front wheels be positioned?
Correct answer: Straight ahead
Hold the vehicle stationary and maintain a safe gap while you wait to turn.
Source: Texas DL-7C March 2026, section 13.1.1, PDF page 169; modernized test ↗
During a turn, why should you continue checking the inside mirror?
Correct answer: To ensure the vehicle does not strike something inside the turn
Watch the vehicle’s path while controlling the turn and keeping clear of opposing traffic.
Source: Texas DL-7C March 2026, section 13.1.1, PDF page 169; modernized test ↗
After completing a turn in the road test, what should happen to the turn signal?
Correct answer: Make sure it is canceled
Continue checking mirrors and traffic as you regain an appropriate speed and lane position.
Source: Texas DL-7C March 2026, section 13.1.1, PDF page 169; modernized test ↗
What lane-change behavior does the road-test chapter specify while proceeding through an intersection?
Correct answer: Do not change lanes within the intersection
Approach in the appropriate lane, continue traffic checks and yield as necessary.
Source: Texas DL-7C March 2026, section 13.1.2, PDF page 169; modernized test ↗
