What is the purpose of the required auxiliary drain pan for attic installation of blower coil units?
A) To offset the negative pressure on the primary drain
B) To keep water from ruining the ceiling if the primary drain stops up
C) To make changing the drain pan easier
D) To provide faster condensate water drainage
B
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Technician A says that it is a good idea to recommend replacing upper strut bearings when replacing MacPherson struts. Technician B says that all MacPherson struts can be serviced by replacing the cartridge inside the strut assembly. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
External threads should have a lead-in for ____.
A. metal stress B. tooling C. ease of turning D. all of the above
Mixed format: 
(with a space between the whole number and the numerator)Fraction format: 
Reduce all fractions. A piece of carbon 
inch thick has a copper plating of 
inch on each side. What is the total thickness?
Fill in the blank(s) with the appropriate word(s).