In our industry, the most popular sizes of nut drivers are the __________.
A. 1/2" and 3/4"
B. 1/4" and 3/8"
C. 1/4" and 5/16"
D. 1/8" and 3/4"
Answer: C
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Technician A says some manufacturers recommend head bolts going into a coolant passage be sealed with liquid thread sealant. Technician B says RTV stands for right torque value. Who is correct?
A. Technician A B. Technician B C. Both technicians D. Neither technician
When applying the principles of work and force:
A. No work is accomplished when an object is stopped by mechanical force B. If a 50-pound object is moved 5 feet, 250 ft-lb of work is produced C. Work is produced when a force moves a certain mass a specific distance D. All of the above
Technician A says that all slides and caliper bushings should be lubricated for proper operation. Technician B says that lubricant should not be used on disc brake parts because it can trap and hold dirt. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Why does compressed air require a drier?
A) Compressing the air raises the saturation temperature and dew point of the air B) To remove residual moisture in the air lines that may have entered during installation C) Compressing air tends to cool it off, causing water to begin condensing D) Some small amounts of water from the water jacket cooling the air compressor enter the compressed air