Chapter 2: Control Systems/Dashboard Quiz Chapter 2: Control Systems/Dashboard Quiz Chapter 2: Control Systems/Dashboard Quiz Full Name Trainer Name A commercial motor vehicle’s (CMV’s) engine controls are used to: * safely operate your vehicle. start up and shut down the vehicle’s engine. warn you when pressures or temperatures reach a dangerous level. help you steer, accelerate, brake, and park your CMV. If your truck has a(n) _____, you must first turn the engine key to the ‘on’ position before engaging it. * starter button engine break clutch button cruise control Which clutch position is required to start the engine or shift gears? * Engaged Free play Disengaged Clutch brake Which of the following is a yellow, diamond-shaped knob that allows you to activate the parking brake? * Parking brake control valve Trailer air supply valve Foot brake control valve Trailer brake hand-control valve Secondary vehicle controls: * provide backup functionality to the primary controls. shut down the vehicle’s engine in an emergency. assist you in safely operating your vehicle. all of the above. If your CMV has a _____, the Federal Motor Carrier Safety Regulations (FMCSR) say you must use it. * seat heater cruise control seat belt fog lamps Which vehicle instrument measures the voltage in a vehicle’s electrical system? * Voltmeter Exhaust pyrometer Ammeter Both A and C What is a normal operating range for a CMV’s oil pressure gauge? * 20-45 psi 30-50 psi 40-65 psi 50-70 psi Which of the following warning devices help you to know when exhaust temperatures are abnormal? * Pyrometer warning light Coolant temperature warning light Differential warning light Both A and B Which of the following warning devices indicates there is inadequate pressure in the air brake system? * Coolant level alarm Oil level alarm Low pressure warning alarm/light Oil pressure warning light If you are human, leave this field blank. Submit