What gauges should you check during the in-cab inspection?

a.Only the speedometer

b.Only the fuel gauge

c.Oil pressure, temperature, ammeter/voltmeter, and air pressure gauges

d.Only the tachometer

Explanation

During the in-cab inspection, you must check the oil pressure gauge, temperature gauge, ammeter or voltmeter, and air pressure gauge. All gauges must be in their normal operating ranges.

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About the CDL Exam

The CDL (Commercial Driver License) exam tests your knowledge of commercial driving rules, safety procedures, and vehicle operation. You must score 80% or higher to pass the written knowledge test. The exam covers general knowledge, air brakes, combination vehicles, and various endorsements.

This question is from the Class B CDL Knowledge Test #2 section. Practice with more questions from this category to build confidence before taking the official DMV test.

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