Two technicians are discussing differentials. Technician A says that all differentials are vented. Technician B says that a clogged vent can cause the rear axle seal to leak. Which technician is correct?
Technician A says use kerosene as a spray lube before resurfacing aluminum heads. Technician B says belt sanders are the best method for resurfacing aluminum heads. Who is right?
Technician A says that a stuck open thermostat can cause poor heater operation. Technician B says low coolant level can cause poor heater operation. Which technician is correct?
An undeployed air bag is being replaced because the trim cover is cut. Technician A says it can be recovered. Technician B says it must be deployed before it is scrapped. Who is right?
ASE-Style Multiple Choice
While having a discussion, Technician A says that the term rustout refers to corrosion that has had time to penetrate completely through the steel panel. Technician B says that rustout is an early stage of corrosion that has not penetrated the steel panel. Who is correct?
While having a discussion, Technician A says that when charging system voltage is low and accessories are loading the system, the regulator increases the AC generator current output. Technician B says that if system voltage is normal and there is a heavy accessory load, the AC generator will run the accessories with little drain on the battery. Who is correct?
Two technicians are discussing bench bleeding a master cylinder. Technician A says that the front (nose end) of the master cylinder should be bled first. Technician B says that rear (brake pedal end) should be bled first. Which technician is correct?
Technician A says that a minor overhaul includes performing a valve job. Technician B says that a minor overhaul includes replacing the pistons. Which technician is correct?
Technician A says that current is created in the stator windings of an alternator. Technician B says that the voltage regulator controls the current flow through the rotor. Who is right?
Technician A says the gears in a planetary gearset are in constant mesh. Technician B says a planetary gearset has a ring gear and pinion gears. Which technician is correct?
Technician A says that when welding steel, a welder needs to have respiratory protection. Technician B says that safety data sheets have the local fire marshal’s phone number on them. Who is correct?
A MAP sensor is being tested. Technician A says that many MAP sensors also act as a barometric pressure sensor when the ignition switch is first turned on. Technician B says on many MAP sensors the signal voltage should increase when the vacuum at the sensor decreases. Which technician is correct?
Technician A says that the Honda Multimatic CVT does not use a torque converter. Technician B says that the Multimatic CVT provides better high-speed passing performance than a manual transmission or conventional automatic transmission. Which technician is correct?
After a TP sensor has been tested using the MIN/MAX function on a DMM, a reading of zero volts is displayed. Which of these does this reading indicate?