CDL HW EXAM QUESTIONS AND ANSWERS

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116

CDL HW EXAM QUESTIONS AND ANSWERS

1.A commercial motor vehicle's (CMV's) engine controls are used for

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A.safely operate your vehicle.B.start up and shut down the vehicle's engine.C.warn you when pressures or temperatures reach a dangerous level.D.help you steer, accelerate, brake, and park your CMV.ANS start up and shut down the vehicle's engine 2.If your truck has a(n) , you must first turn the engine key to the 'on' position before engaging it. * 10 points A.starter button B.engine brake C.clutch button D.cruise control ANS starter button 3.Which clutch position is required to start the engine or shift gears?

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A.Engaged B.Free play C.Disengaged 1 / 4

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116 D.Clutch brake ANS Disengaged 4.Which of the following is a yellow, diamond-shaped knob that allows you to activate the parking brake? * 10 points A.Parking brake control valve B.Trailer air supply valve C.Foot brake control valve D.Trailer brake hand-control valve ANS Parking brake control valve 5.Secondary vehicle controls

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A.provide backup functionality to the primary controls.B.shut down the vehicle's engine in an emergency.C.assist you in a safely operating your vehicle.D.all of the above.ANS assist you in a safely operating your vehicle 6.If your CMV has a , the Federal Motor Carrier Safety Regulations (FMCSR) say you must use it. * 10 points A.seat heater B.cruise control 2 / 4

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116 C.seat belt D.fog lamps ANS seat belt 7.Which vehicle instrument measures the voltage in a vehicle's electrical system? * 10 points A.Voltmeter B.Exhaust pyrometer C.Ammeter D.Both A and C ANS Voltmeter 8.What is a normal operating range for a CMV's oil pressure gauge? * 10 points A.20-45 psi B.30-50 psi C.40-65 psi D.50-70 psi ANS 30-50 psi 9.Which of the following warning devices help you to know when exhaust temperatures are abnormal? * 10 points A.Pyrometer warning light 3 / 4

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116 B.Coolant temperature warning light C.Differential warning light D.Both A and B ANS Pyrometer warning light 10.Which of the following warning devices indicates there is inadequate pressure in the air brake system? * 10 points A.Coolant level alarm B.Oil level alarm C.Low pressure warning alarm/light D.Oil pressure warning light ANS Low pressure warning alarm/light 11.In order to put a commercial motor vehicle on the road, you must first

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A.complete and sign a DVIR.B.ask a mechanic about the vehicle's condition.C.conduct a thorough pre-trip inspection.D.perform a short test drive to verify safe operation.ANS complete and sign a DVIR.

12.Before you inspect the engine compartment and front axle components

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A.verify the parking brakes have been set.

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