Technician Asays that on an electronically controlled four-wheel steering system, the rear wheels are steered in the same direction as the front wheels at vehicle speeds below 10 mph. Technician B says that on an electronically controlled four-wheel steering system, the rear wheels are steered in the opposite direction to the front wheels at speeds above 45 mph. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Answer: A
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As a vehicle ages, ____________________ is a normal condition that occurs. The springs lose their ability to keep the vehicle at the correct ride height.
Fill in the blank(s) with the appropriate word(s).
_____ organism used in gene alteration is the E. coli? bacteria
A) The least common? B) A rarely used? C) A prohibited? D) The most common
Technician A says that some vehicle manufacturers recommend an ILSAC grade be used in the engine. Technician B says that an oil with the specified API rating and SAE viscosity rating should be used in an engine. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
Why are the stubs on compressors and filter driers more difficult to braze than copper pipe?
A) They have a thin copper coating that is easily oxidized by overheating. B) They are difficult to get to. C) They are typically made of aluminum which is much harder to braze. D) It is easy to burn a hole in the compressor or drier shell.