You are checking your tires. Which of these is unsafe?

Tires of different sizes or types on the same axle.. Section 2.1: Do not mix radial and bias-ply tires on the same vehicle, and do not use

You are checking your tires. Which of these is unsafe?

ANSWER BREAKDOWN
  • A. Correct. Do not mix radial and bias-ply tires on the same vehicle, and do not use different sizes on the same axle.
  • B. Incorrect. "Tread depth of 4/32 on front tires." is not correct. Do not mix radial and bias-ply tires on the same vehicle, and do not use different sizes on the same axle.
  • C. Incorrect. "Valve stems with caps." is not correct. Do not mix radial and bias-ply tires on the same vehicle, and do not use different sizes on the same axle.
  • D. Incorrect. "Radial tires on all axles." is not correct. Do not mix radial and bias-ply tires on the same vehicle, and do not use different sizes on the same axle.