Technician A says that vehicles with less unsprung weight have better handling. Technician B says that the wheel and tire assembly are considered sprung weight. Which technician is correct?
TechnicianA says that using a thread lubricant results in more bolt stretch. Technician B says that a grade 8 bolt has eight radial lines on its head. Who is right?
Technician A says shop ventilation is not needed when working on new vehicles because new-vehicle emissions are low. Technician B says the shop's ventilation system should be connected to the exhaust pipe if the engine is running. Who is correct?
Technician A says that in going to high altitudes, engines produce lower power. Technician B says that most engine control systems can compensate the air-fuel mixture for changes in altitude. Which technician is correct?
Evaporative emission control systems operate on low pressure measured in inches of water (inches of H2O). One psi (pound per square inch) is equal to how many inches of water?
A bicycle and rider have a total weight of 210 pounds. To minimize road friction, each tire should not contact more than 1.5 in^2 of the road surface. How much pressure should each tire contain?
Technician A says to avoid lubrication on the thrust bearing surfaces. Technician B says when installing main bearing caps, tap them with a ball peen hammer to insure they seat properly. Who is right?
Technician A says that some FWD vehicles use unequal length front drive shafts called half shafts. Technician B says that unequal length drive shafts may cause a pull during hard acceleration called torque steer. Which technician is correct?
Technician A says to always squeeze the top radiator hose before opening a radiator cap. Technician B says to always remove keys from the ignition before making a fan belt adjustment. Which technician is correct?
Technician A says that trailing arms run perpendicular to the center line of the chassis. Technician B says that trailing arms run parallel to the center line of the chassis. Which technician is correct?
Technician A says that a braided ground wire is best to use for audio equipment to help reduce interference. Technician B says to use insulated 14 gauge or larger ground wire to reduce interference. Who is right?
The owner of a pickup wants to cut the coil springs to lower the vehicle. Technician A says that the ride will be harsher than normal if the springs are cut. Technician B says that the springs could be damaged, especially if a cutting torch is used to cut the springs. Which technician is correct?
Technician A says that spur gears are quieter than helical gears. Technician B says that helical gears produce greater thrust forces than spur gears. Which technician is correct?
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