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Indiana CDL Practice Test
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Your engine runs a pump when you are delivering compressed gas. After finishing the delivery, when should you turn off the engine?
Leave it on the entire time.
Turn it off on arrival; use other power to run the pump.
Turn it off after unhooking the hoses.
Turn it off before unhooking the hoses.
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Correct Answer:
Turn it off before unhooking the hoses.
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