Ring compressors are being discussed. Technician A says that ring compressors are used to remove piston rings on pistons. Technician B says that ring compressors are used when installing a piston into the block. Who is correct?
Technician Asays it is acceptable to rely on visual inspection to determine if a tire is inflated properly. Technician B says that both over-inflation and under-inflation affect brake performance.
Technician A says that exhaust leaks can affect the air-fuel mixture of an engine. Technician B says that exhaust leaks can be dangerous for customers driving their car. Who is correct?
Technician A says that in an electronic air suspension system if the engine is running, the brake pedal applied, and a door is open, lower vehicle commands are completed immediately. Technician B says that in an electronic air suspension system if the engine is running and a command cannot be completed in 3 minutes, the suspension warning lamp is illuminated. Who is correct?
Two technicians are discussing spark plug gaps. Technician A says that it is critical that spark plug gap be set. Technician B says that a round wire feeler gauge is used to measure gap. Who is correct?
Technician A says that a defective spark plug wire can cause an engine miss. Technician B says that a defective spark plug can cause an engine miss. Which technician is correct?
Technician A says that the same recovery unit can be used for R-12 and R-134a. Technician B says that the service hoses from an R -134a recovery unit must have shutoff valves within 18 inches of the end. Who is correct?
Technician A says that it is a good idea to recommend replacing upper strut bearings when replacing MacPherson struts. Technician B says that all MacPherson struts can be serviced by replacing the cartridge inside the strut assembly. Which technician is correct?
Technician A says that RBS type tie rod ends do not require periodic lubrication. Technician B says that the steering gear must be removed to replace outer tie rod ends. Which technician is correct?
During a head-on collision with a barrier at 30 miles per hour (mph) or 48 kilometers per hour (km/h), the engine compartment compacts by about 30 to 40 percent of its length.
Technician A says that resistance increases as the diameter of a conductor increases. Technician B says that resistance increases as the temperature of a conductor increases. Which technician is correct?
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