Describe perspective sketches.
What will be an ideal response?
Perspective sketches show two or three sides of an object in one view. As a result, they resemble a photographic picture. In both the perspective sketch and the photograph, the portion of the object that is closest to the observer is the largest. The parts that are farthest away are smaller. Lines and surfaces on perspective sketches become smaller and come closer together as the distance from the eye increases. Eventually, they seem to disappear at an imaginary horizon.
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All PV modules installed in the United States must comply with what safety standard?
What will be an ideal response?
Which of the following is a realistic goal for a typical media relations plan?
a. increasing attendance at an event by adding a media relations plan b. getting on the cover of multiple major national magazines c. getting a lengthy story on the national evening news d. turning your organization into a household name
A dual fuel heat pump is
A) A heat pump that can run on either AC or DC power B) A heat pump whose energy requirements are so massive that two fuel sources are required to operate it C) An air source heat pump added to a fossil fuel furnace D) A heat pump that can be field converted from air source to water source
As the coal ignites and its chemical energy converts to thermal energy, some of the heat necessarily escapes up the smokestack to carry away flue gases (shown as a 14% loss, meaning _____ ).?
A. ?86% of the thermal energy is still available to boil water? B. ?14% of the thermal energy is still available to boil water? C. ?86% of the thermal energy is unavailable for use in any form? D. ?14% of the thermal energy is unavailable for use in any form?