Which of these is NOT a type of retarder?

Robotic. Section 2.3: There are four basic types of retarders: Exhaust, Engine, Hydraulic, and Electric.

Which of these is NOT a type of retarder?

ANSWER BREAKDOWN
  • A. Incorrect. "Exhaust" is a valid/expected item and does not fit the "NOT" criterion. There are four basic types of retarders: Exhaust, Engine, Hydraulic, and Electric.
  • B. Incorrect. "Engine" is a valid/expected item and does not fit the "NOT" criterion. There are four basic types of retarders: Exhaust, Engine, Hydraulic, and Electric.
  • C. Incorrect. "Hydraulic" is a valid/expected item and does not fit the "NOT" criterion. There are four basic types of retarders: Exhaust, Engine, Hydraulic, and Electric.
  • D. Correct. There are four basic types of retarders: Exhaust, Engine, Hydraulic, and Electric.