Which of the following conditions is not a warning sign of unsafe roof conditions?
A. spongy feel as you walk on the roof
B. Melting asphalt roof covering
C. Multiple layers of roofing materials built upon itself, adding weight to the structural members
D. Fire coming from the roof
Answer: C. Multiple layers of roofing materials built upon itself, adding weight to the structural members
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The ____ option of the diff command ignores blanks that repeat.
A. -b B. -B C. -c D. -C
Tank-type water heaters:
A. are the least commonly used. B. are lower in energy loss. C. require a greater equipment footprint. D. have more complex controls.
Use MATLAB to create a table that shows the relationship between the height of water above ground in the water tower and the water pressure in a pipe line located at the base of the water tower. The relationship is given by:
Create a table that shows the water pressure in lb/in^2 in a pipe located at the base
of the water tower as you vary the height of the water in increments of 10 ft. Also,
plot the water pressure (lb/in^2) versus the height of water in feet. What should the
water level in the water tower be to create 80 psi of water pressure in a pipe at the
base of the water tower?
_________________________ involves using specialized tools and equipment to measure the location of reference points on a vehicle.
Fill in the blank(s) with the appropriate word(s).