Technician A saysThe KIA Optima uses active hydraulic brakes. Technician B says this system uses a brake pedal position sensor to determine the amount of braking force needed. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Answer: C
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A fully multiplexed J1939 instrument panel cluster on a truck with a body control module has the following inoperative gauges: engine oil pressure, coolant temperature, tachometer, and speedometer. The automatic transmission oil temperature gauge, air pressure gauges, fuel level gauge, and turn signal indicators still function correctly. What could be a possible cause of the inoperative gauges?
A. Short circuit between CAN + and CAN - B. CAN + is shorted to ground. C. Missing terminating resistors D. An open CAN + or CAN - circuit between the engine ECM and the instrument panel cluster
What type of lumber is used extensively for subfloors, wall sheathing, and roof sheathing?
a. plywood c. pressure-treated wood b. sheet metal d. drywall
____ boards are plastic foams that have been produced in board form at a factory.
A. Rigid B. Black C. Flexible D. Foam
There are many methods of insulating metal ductwork. Which of the following methods is NOT used to insulate ducts
A) Bubble outer wrap or liner B) Fiberglass liner C) Spray on urethane foam D) Fiberglass outerwrap with vapor barrier