All Commercial Drivers License (General Knowledge) Resources
Example Questions
Example Question #1 : Non Driving Safety Procedures
Under which of the following conditions is it safe to remove the radiator cap on your vehicle?
Possible Answers:
The radiator is undamaged and the engine is warm
None of these; the radiator cap should never be removed
The engine is not overheated, but the engine has been in recent use
The entire engine system is completely cooled
Correct answer:
The entire engine system is completely cooled
Explanation:
In order for it to be remotely safe to remove your radiator cap, the entire engine system must be completely cooled. Even in that condition, removing the radiator cap should be only be done with extreme caution.
All Commercial Drivers License (General Knowledge) Resources
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