Often around fluorescent lights in a drop ceiling there is a narrow slit. What is the purpose and advantages of application?
What will be an ideal response?
That opening is the return air. The advantage of having a return air around the fluorescents is that the heat generated by the light is pulled back up into the return and is not radiated as much into the occupied space.
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Does the reinforced concrete tilt-up wall construction compete with load-bearing masonry wall construction or the reinforced concrete tunnel-form construction?
What will be an ideal response?
____ occurs on a groove weld when the completed weld is below the original surface of the base metal.
A. Ripple B. Underfill C. Sagging D. Undercut
A mason earns $625.00 during week 1, $590.00 during week 2, $605.00 during week 3, $580.00 during week 4 and $585.00 during week 5. What is her average pay for the five weeks?
What will be an ideal response?
The outside diameter of a hose is 2 1/2 inches, and the wall is 5/32 inch thick. How large, in inches, is the inside diameter?
A. 1 5/8 B. 2 3/16 C. 2 5/16 D. 2 7/16