JJ Keller Entry Level Driver Training for CDL (Commercial Driver’s License) Practice Test

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What is a routine task involved in the maintenance of a CMV?

Adding fuel to the tank

Checking tire pressure

Adding engine oil

The maintenance of a Commercial Motor Vehicle (CMV) involves various routine tasks that ensure the vehicle operates safely and efficiently. Adding engine oil is a critical part of this maintenance. The engine oil lubricates essential components of the engine, reduces friction, and helps to prevent overheating and wear, ultimately prolonging the life of the engine. Regularly checking and adding oil as needed is essential to prevent engine damage and maintain optimal performance.

While adding fuel, checking tire pressure, and cleaning the windshield are important tasks, they serve different purposes. Adding fuel keeps the vehicle operational, checking tire pressure is crucial for safety and fuel efficiency, and cleaning the windshield ensures clear visibility. However, maintaining proper engine oil levels directly impacts the engine's health and functionality, making it an integral routine task in CMV maintenance.

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Cleaning the windshield

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