The accompanying figure shows the elements of a roof. What is feature 2?
A. Rafters
B. Underlayment
C. Sheathing
D. Ridge boards
Answer: B
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The measurements in the table shown in Figure P12–6 were surveyed on a grid for a borrow pit. The first column in the table represents the grid location. “Existing Elevation” is the elevation before excavation, and “Finish Elevation” is the elevation after excavation. The grid spacing is 20?. Grid lines A–F run north and south. Draw the borrow pit grid to scale on an ANSI B size
sheet. Label the grid values and label the cut depths at each grid intersection. Calculate the total amount of excavated material in cubic yards and place the value on the drawing. What will be an ideal response?
____________________ solvent is commonly recycled, and although the use of gloves is recommended, it is not a major irritant to most people's skin.
Fill in the blank(s) with the appropriate word(s).
____________________ is data that is transferred through wiring.
Fill in the blank(s) with the appropriate word(s).
When ohming components on the system, it is important to:
A) Work quickly before the power comes back on. B) Turn on the power to the unit. C) Make sure the component is still wired in the circuit. D) Turn off the power to the unit.