Feathering the ends of the tack welds with a grinder helps to _____
a. ensure the root pass has the proper root reinforcement
b. limit the joint penetration of the root pass
c. fuse the root pass into the tack weld
d. transition the root pass into the cap pass
c
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Tread width (unit run) is measured from the _____.
a. face of one riser to the nosing of the next riser b. face of one riser to the face of the next riser c. top of one tread to the bottom of the next riser d. subfloor to the top tread
The MOST-Likely method used to clean ferrous parts such as the block, heads, and sometimes crankshafts and connecting rods is:
A. soda blasting B. shot blasting C. abrasive cleaning D. bead blasting
Hotline services are _______
A) Available on CD or DVD format B) Available for a service fee C) Free D) Accessed by the internet
What is considered a long line application for residential air conditioning?
A) Lines exceeding 100 feet in length or with a vertical rise of more than 30 feet B) Lines exceeding 50 feet in length or with a vertical rise of more than 10 feet C) Lines exceeding 80 feet in length or with a vertical rise of more than 20 feet D) Air conditioning systems can run lines for nearly any length with no problems.