States are required by the FMCSA to do all of the following for CDL licensing EXCEPT:
A. require all drivers to certify the type of operation the drivers expect to conduct
B. retain medical certificates of all drivers for three years
C. post all drivers' self-certifications to their driver history records
D. change the status of all drivers whose medical certification has expired to "noncertified"
Answer: B
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Fill in the blank(s) with the appropriate word(s).
Which of the following is LEAST-Likely to occur?
A. Pure ethylene glycol freezing at 150F. B. Pure ethylene glycol boiling at 3300F. C. Factory radiator fill being about 50% water and 50% coolant. D. A 70% concentration of ethylene glycol freezing at -850F.
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How many 
-inch long machine bolt blanks can be cut from a 5-foot length of stock? Allow 
inch for waste on each blank.
Fill in the blank(s) with the appropriate word(s).