Pennsylvania Driver's License Knowledge Test

Question 1

According to Pennsylvania regulations (Title 75), what is the maximum legal height for a commercial motor vehicle and its load before a special hauling permit is required?

14 feet, 0 inches 13 feet, 6 inches 13 feet, 0 inches 14 feet, 6 inches

Correct Answer:

13 feet, 6 inches

Question 2

A CDL driver operating a property-carrying vehicle under federal interstate rules in Pennsylvania has been driving for 7.5 hours since their last 10-hour off-duty period. What is the next federally mandated action they must take before they can continue driving?

Complete a post-trip inspection report. Switch to the sleeper berth for at least 2 hours. Take at least 10 consecutive hours off-duty. Take a break of at least 30 consecutive minutes.

Correct Answer:

Take a break of at least 30 consecutive minutes.

Question 3

During a pre-trip inspection of a commercial vehicle equipped with hydraulic brakes, which of the following checks is a required step to ensure the system is not leaking?

Pumping the brake pedal three times and holding it down firmly for five seconds. Checking that the air compressor cuts out between 120-140 psi. Draining the air tanks of any moisture and oil. Ensuring the slack adjusters have no more than one inch of free play when pulled by hand.

Correct Answer:

Pumping the brake pedal three times and holding it down firmly for five seconds.

Question 4

A driver is transporting a placardable quantity of Division 1.1 explosives. Under hazardous materials regulations, which of the following is a specific rule for parking the vehicle?

The driver may leave the vehicle unattended for up to 45 minutes for a meal break. The vehicle must be parked on the shoulder of the highway if a rest stop is unavailable. The vehicle must be attended at all times unless parked in a designated safe haven. The vehicle must not be parked within 5 feet of the traveled portion of a road.

Correct Answer:

The vehicle must be attended at all times unless parked in a designated safe haven.

Question 5

When coupling a tractor to a semitrailer, what is the primary purpose of charging the trailer's air system and then pulling the air supply knob (tractor protection valve)?

To verify the electrical connection is providing power to the trailer lights. To confirm the fifth wheel jaws have securely locked around the kingpin. To ensure the trailer's service brakes are not leaking air. To check that the trailer emergency brakes will apply if the trailer breaks away.

Correct Answer:

To check that the trailer emergency brakes will apply if the trailer breaks away.

Exam overview

About this Exam

Prepare with the Pennsylvania Driver's License Knowledge Test practice quiz. This question bank includes 18 questions covering vehicle, commercial, pennsylvania, driving, and driver. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Pennsylvania Driver's License Knowledge Test

This practice set contains 18 questions from the matching question bank and focuses on vehicle, commercial, pennsylvania, driving, and driver. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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Pennsylvania Driver's License Knowledge Test

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