The most common type of foundation brake found on heavy vehicles is the:

S-cam drum brake.. Section 5.1: The S-cam drum brake is the most common type of foundation brake.

The most common type of foundation brake found on heavy vehicles is the:

ANSWER BREAKDOWN
  • A. Incorrect. "Disc brake." is not correct. The S-cam drum brake is the most common type of foundation brake.
  • B. Incorrect. "Wedge brake." is not correct. The S-cam drum brake is the most common type of foundation brake.
  • C. Correct. The S-cam drum brake is the most common type of foundation brake.
  • D. Incorrect. "Hydraulic brake." is not correct. The S-cam drum brake is the most common type of foundation brake.