Practice question

When shifting a manual transmission CMV, what is double-clutching used for?

Matching engine and transmission speed during gear changes
Increasing brake air pressure
Locking the differential automatically
Testing the horn

Answer: A — Matching engine and transmission speed during gear changes

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: KS CDL General Knowledge Practice Questions - Kansas CDL General Knowledge Test Exam →