Skip to main content

Alternative energy

Which of the following technologies might best even out daily demand peaks for electricity due to cooling demand?
A. Small-scale hydro power
B. Biogas
C. Ice Storage
D. Fuel Cells
E. Wind Turbines
F. Geothermal
AnswerC. Ice Storage - by chilling a tank of ice ball storage at times of lower energy rates (at night) the stored temperature can be released during the day (highest cooling demand) reducing energy cost and flattening peak demand.

Comments

Post a Comment

Try These Too!

Interior Glazing

Safety glazing (tempered glass, laminated glass or impact resistant plastic) is not required at this interior window (18sf glazed area). Which of these satisfies conditions for using non-safety glazing? A. Within 36 inches horizontally of a walking surface B. Bottom edge is less than 60" above the plane of the adjacent walking surface C. 1 1/2 in protective bar between 34 and 38 inches on accessible side D. Exposed area of the pane is greater than 9 sf Answer C. 1 1/2 inch protective bar between 34-38 inches on accessible side. In this case, safety glazing is not required. ARE 4.0 exam prep: BDCS
Post a Comment
See the answer »

Heat gain calculation

Which lighting produces a 654.72 Btu/hr heat gain? A. 4x 40 watt fluorescent bulbs B. 2 x 75 watt incandescent C. 12 x 12 watt LEDs Answer (1 watt = 3.41 Btu/hr) A. 4x40 watts x 1.2 (for ballast) x 3.41 Btu/hr ARE 4.0 exam prep: BS
Post a Comment
See the answer »

Truss types

Like the diagonal web members in a Pratt truss, the vertical web members in a Howe truss are in: A. tension B. compression Answer A. tension
Post a Comment
See the answer »