Technician A says that evaporator leaks can be detected by installing dye into the system and looking for yellowish-green dye stains. Technician B says that a leak at the evaporator can be detected by removing the blower motor resistor pack and inserting an electronic leak detector probe into the air stream. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
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Which part MUST be used when refitting a vehicle from R-12 to R-134a refrigerant?
A) A new condenser B) A new service fitting and a retrofit label
C) A high pressure cutoff switch D) Both B and C
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Technician A says that temperature is measured in degrees. Technician B says that heat is measured in calories. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
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While servicing a vehicle with modified strut front suspension, technician A makes sure the lower control arm is supported. Technician B says that the coil spring must be removed from the strut assembly to service a modified strut vehicle. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
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Recirculating steel balls are used in most conventional steering gears because they ________.
A) Provide for a variable ratio
B) Help provide feedback to the driver regarding the road surface
C) Keep the steering wheel centered
D) Reduce friction
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A light film of oil is observed on the upper area of a shock absorber. Technician A says that this condition should be considered normal. Technician B says that a rod seal may bleed fluid during cold weather, causing the oil film. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
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The aspect ratio of a tire means ________.
A) Its width to diameter of a wheel ratio B) The ratio of height to width
C) The ratio of rolling resistance D) The ratio of width to height
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Technician A says that an eyewash station should be located in the corner out of the way. Technician B says that an eyewash station should be located in a central area. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
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What do the letters JJ mean in a wheel designation size labeled 14x7JJ?
A) The bolt circle code B) The offset of the rim
C) The shape of the flange area D) The back spacing of the rim
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Boost pressure is generally measured in ________.
A) Inch pound B) Inch H2O C) Inch Hg D) PSI
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