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Humvee Course USMC Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
What is the maximum fording depth of a standard Humvee without a deep water kit?✔✔ 30 inches
What must be done before starting a Humvee engine after deep water fording?✔✔ Inspect and dry electrical connections
What gear should the transfer case be in for off-road driving?✔✔ High lock
What is the correct tire pressure for highway use on a Humvee?
✔✔ 35 PSI
How often should fluid levels be checked during a PMCS?✔✔ Before operation, during halts, and after the mission
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What component allows the Humvee to operate with a flat tire?✔✔ Runflat insert
What should you do if the Humvee experiences brake failure while descending a hill?✔✔ Downshift and use the emergency brake gradually
What type of coolant is used in the Humvee engine?✔✔ Extended-life ethylene glycol coolant
What tool is used to check battery voltage during a no-start situation?✔✔ Multimeter
How often should the Humvee be lubricated per the lubrication order?✔✔ Every 3,000 miles or 3 months
What is the maximum speed of a Humvee on paved roads?✔✔ 65 mph under ideal conditions
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What action is required before entering a convoy with a Humvee?✔✔ Perform a full PMCS and complete DA Form 5988-E
What is the primary cause of Humvee rollovers?✔✔ Excessive speed during turns or off-road driving
What does the transmission shift lever do in the Humvee?✔✔ Selects gear ranges for driving and towing
What is the correct hand signal for a left turn when operating a Humvee?✔✔ Left arm extended straight out
How is night driving visibility improved in a Humvee?✔✔ Use of blackout drive and blackout marker lights
What is the minimum safe distance when following another Humvee?✔✔ At least 75 feet in convoy operations
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