Technician A says that brake fade due to heat or water is not possible on disc brakes. Technician B says that heat and water fade can occur on disc brakes, but is not as likely compared to drum brakes. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
B
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Technician A says that a steel piston should be cleaned with sandpaper to remove rust. Technician B says that brake assembly fluid or clean brake fluid should be used to lubricate the caliper pistons before installing in the caliper. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Which of the following with a ground fault allows a lower resistance path to ground than the actual ground wire?
A. Resistors B. Circuits C. Voltages D. Branches
How do evaporators in medium temperature refrigeration cases normally defrost?
A) Electric heaters built into the evaporator coil B) Hot gas is bypassed around the condenser straight into the evaporator C) The case air circulating over the coil while the compressor is off D) Small defrost gas burners
With regard to transistor operation, which is not considered an operating region?
A) cutoff B) bias C) active D) saturation