272. The braking effect of the engine is greatest when the engine is _ the governed RPM's and the transmission is in the — gears.
Detailed Explanation
The correct answer is "Near, lower.". This question tests general CDL knowledge and the safest action expected of a commercial driver. For a differently worded version of this question, identify the hazard first and then choose the answer that preserves control, visibility, or legal compliance.
Correct Answer: Near, lower.
Why This Matters on the CDL Test
This question tests whether you can distinguish systems that add gear ratios from a transmission that shifts automatically. Review multi-speed rear axles, auxiliary transmissions, automatic-transmission ranges, and safe shifting because those concepts appear together in the CDL manual.
How to Remember It
Say the rule in your own words, then explain why the wrong answers are unsafe or incomplete. That habit makes similar General Knowledge questions easier when the exam changes the wording.
Answer Review
Choose "Near, lower." because this answer matches the safe CDL action for transmission types and gear selection. On the knowledge test, the safest answer is usually the one that protects space, control, visibility, legal compliance, or inspection accuracy before the vehicle is put at risk.
Why the other answers are weaker
- Above, lower."Above, lower." does not best answer this transmission types and gear selection question. When you see a similar option on the CDL permit test, compare it against the exact safety rule and choose the answer that prevents the most immediate risk.
- Below, higher."Below, higher." does not best answer this transmission types and gear selection question. When you see a similar option on the CDL permit test, compare it against the exact safety rule and choose the answer that prevents the most immediate risk.
Test-Day Checklist
- Read the question once for the topic, then read it again for the exact CDL action being tested in General Knowledge.
- Eliminate answers that sound convenient but skip an inspection, warning sign, or safety step.
- Say the correct rule out loud before moving on so you can recognize it when the exam changes the wording.
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Start Practice TestRelated Questions
434. The engine braking effect is greatest when the engine is _____ the governed RPM and the transmission is in the_____gears.
11. You are driving a new truck with a manual transmission. What gear will you probably have to use to take a long, steep downhill grade?
118. Which of these will help keep an engine cool in hot weather?
135. Overloading can have a bad effect on?
150. When getting in to start the engine and inspect inside the cab you must:
Keep Studying General Knowledge
Question pages help you review one rule at a time. To build test-day speed, move back into the full General Knowledge practice test and answer a mixed set without looking at the explanation first.
State CDL Practice Paths
After you understand this answer, use a state practice path to connect the federal CDL rule with the DMV test pages drivers search for most.