Which statement about GPS-based grading systems is incorrect ?
a. GPS-based systems use cell-phone technology to determine a location.
b. The blade of a grader can be adjusted automatically by a GPS-based system.
c. GPS-based systems can greatly reduce human error on a job site.
d. GPS technology was developed by the United States government.
a. GPS-based systems use cell-phone technology to determine a location.
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The primary purpose of sealants and weatherstripping is to
A) reduce air leakage through the envelope. B) reduce vapor diffusion through the envelope. C) reduce air diffusion through the envelope. D) all of the above. E) A and B.
A radiator can be damaged by a collision with the cooling fan blade if a fan clutch or water pump bearing fails.
Answer the following statement true (T) or false (F)
Quantities equal to the same quantiy or to equal quantities are not always equal to one another.
Answer the following statement true (T) or false (F)
A 1.2–kW toaster takes roughly 4 minutes to heat four slices of bread. Find the cost of operating the toaster twice per day for 2 weeks (14 days). Assume energy costs 9 cents/kWh.
What will be an ideal response?