What is a service valve wrench?
A) A tool used to change the core in Schrader valve
B) A pair of pliers that is used to turn a manual service valve stem
C) A wrench used to install service valves on a hermetic system
D) A ratchet wrench with square openings that fit service valve stems
D
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If the number -5 is entered in a calculator followed by the (+/-) key what will be displayed on the calculator?
A. 1/5 B. 5 C. 5.5 D. -5
If the soil load-bearing value is 1,500 pounds per square foot and the home design is two stories with a crawl space, the minimum footing width is ________ for conventional light-frame construction
A) 16" B) 20" C) 12" D) 8"
Which suspension angles will cause tire wear when they are not properly adjusted? Why will the tire wear occur?
What will be an ideal response?
In older zoning systems that use a master thermostat, the other zone thermostats _____
a. cannot control the system mode of operation b. can control the system mode of operation c. can control the mode but not the zone temperature d. cannot control the mode or the zone temperature