Pennsylvania CDL Practice Test (Free)

Question 1

Under federal rules, what happens if a Pennsylvania CDL applicant's medical certificate lapses without renewal?

Accepted Answer

The driver loses CDL driving privileges through a downgrade after a grace period, though the CDL card itself is not instantly voided

Answer

The CDL is automatically upgraded

Answer

The CDL is instantly void and cannot be reinstated

Answer

Nothing changes at all

Question 2

How many questions does the Pennsylvania CDL general knowledge test contain for a Class A applicant, compared to a Class B or C applicant?

Accepted Answer

70 questions for Class A, 50 questions each for Class B and C

Answer

30 questions for every class

Answer

100 questions for Class A, 25 for Class B and C

Answer

50 questions for every class, no exceptions

Question 3

What is true about the numeric passing percentage for Pennsylvania's CDL knowledge tests?

Accepted Answer

Pennsylvania's official materials do not publish a specific passing percentage; applicants should assume the federal 80% floor applies

Answer

Pennsylvania requires a 100% score with no room for error

Answer

There is no passing threshold at all in Pennsylvania

Answer

Pennsylvania's official manual states a specific passing percentage of 75%

Question 4

A Pennsylvania CDL holder wants to drive a school bus. Which endorsement combination is required?

Accepted Answer

The S endorsement, which builds on P (passenger) requirements plus school-bus-specific content

Answer

The T endorsement alone

Answer

No endorsement is required to drive a school bus

Answer

The N endorsement alone

Question 5

A Pennsylvania CDL holder wants to haul hazardous materials that require placarding. Which endorsement is required?

Accepted Answer

The H (hazardous materials) endorsement

Answer

No endorsement is required for placarded loads

Answer

The N (tank vehicle) endorsement alone

Answer

The T (doubles/triples) endorsement

Question 6

Under federal rules, what best describes hand-held mobile phone use while operating a CMV in Pennsylvania?

Accepted Answer

It is restricted under 49 CFR 392.82, which bans dialing or holding a phone while driving

Answer

It is only restricted for drivers under 21

Answer

It is fully allowed at any time

Answer

It is allowed only on interstate highways

Question 7

About how many questions does a Pennsylvania endorsement knowledge test, such as for the N or P endorsement, generally contain?

Accepted Answer

20 to 30 questions

Answer

There is no separate endorsement test in Pennsylvania

Answer

70 questions, same as the Class A general test

Answer

5 questions

Question 8

A Pennsylvania first-time Class A CDL applicant wants to skip Entry-Level Driver Training (ELDT) before the skills test. Is this allowed?

Accepted Answer

No, training from an FMCSA Training Provider Registry provider is required first, unless a grandfather exception applies

Answer

Yes, but only for applicants over age 25

Answer

No, but only in Pennsylvania

Answer

Yes, ELDT is optional everywhere

Question 9

A Pennsylvania CDL holder notices the air pressure gauge dropping while driving a vehicle with air brakes. What is the danger being guarded against by the low-pressure warning?

Accepted Answer

Loss of braking ability if pressure drops too far, though spring brakes will apply automatically as a safeguard

Answer

A dead battery

Answer

A flat tire

Answer

Overheating of the engine

Question 10

How does Pennsylvania generally administer the CDL skills test?

Accepted Answer

Through a hybrid model: PennDOT branch offices plus a Third-Party Testing Program

Answer

Only through a single state-run testing center in Harrisburg

Answer

Exclusively by mail-in video submission

Answer

Only community colleges may administer it