The Clean Air Act is being discussed. Technician A says the Montreal Protocol is one of the results of the Clean Air Act. Technician B says it gave the EPA authority to control refrigerants in order to protect the environment. Who is correct?
Technician A says that LCDs may be slow to work at low temperatures. Technician B says that the LCD dash display can be damaged if pressure is exerted on the front of the display during cleaning. Who is right?
Two technicians are discussing oil leaks. Technician A says that an oil leak can be found using a fluorescent dye in the oil with a black light to check for leaks. Technician B says a white spray powder can be used to locate oil leaks. Which technician is correct?
Technician Asays electric assist can only be applied at the steering column. Technician B says belts should be inspected during routine service and often require replacement every 60,000 to 90,000 miles. Who is correct?
A growling sound is heard from the rear of a rear-wheel-drive vehicle during cornering only. Technician A says that defective rear axle bearings may be the cause. Technician B says that defective drive pinion bearings may be the cause. Which technician is correct?
If a 12-volt battery is connected to a series circuit with three resistors of 2 ohms, 4 ohms, and 6 ohms, how much current will flow through the circuit?
A P0131 DTC is being discussed. Technician A says that an exhaust leak upstream of HO2S (bank 1 ) oxygen sensor could be the cause. Technician B says that an extremely rich air-fuel mixture could be the cause. Which technician is correct?
Technician A says that E10 contains 10% ethanol and 90% gasoline. Technician B says that the octane rating posted on fuel pumps is an average of the two ratings. Who is right?
Technician A says that the purpose and function of the cooling system is to maintain proper engine operating temperature. Technician B says that the water pump controls engine coolant temperature by opening at its rated opening temperature to allow coolant to flow through the radiator. Which technician is correct?
Brake cleaning is being discussed. Technician A says the fumes from aerosol cleaners and open part washers are heavier than air and will settle to the lower part of the work area. Technician B says solvent vapors are not harmful. Who is correct?
Technician A says that a defective ground connection at the master control switch (driver's side) could cause the failure of all power windows. Technician B says that if one control wire is disconnected, all windows will fail to operate. Which technician is correct?
A customer purchases 2 gallons of antifreeze at $8.34 a gallon, with a mail-in rebate of $1.00 a gallon. What is the percent of the rebate? Round to the nearest hundredth.
Two technicians are discussing bearing inserts. Technician A says that bearing inserts are used in wheel bearings. Technician B says bearing inserts prolong bearing life. Who is correct?
Technician A says that air-conditioning service machines are used exclusively with HFC-134a systems. Technician B says that refrigerant containing sealers should be recycled. Who is correct?
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