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!

Bolted connections

What is the minimum spacing of bolts specified by AISC? and preferred spacing? A. 1 1/4 times the diameter of the bolt; 2 times preferred B. 1 3/4 times the diameter of the bolt; 2 1/4 times preferred C. 2 1/3 times the diameter of the bolt; 2 2/3 times preferred D. 2 2/3 times the diameter of the bolt; 3 times preferred E. 3 times the diameter of the bolt; 3.25 times preferred
Post a Comment
See the answer »

Roof pitch

Which one of the following slopes in this illustration corresponds with an 8:12 pitch roof? A. 45° B. 36.87° C. 33.69° D. 26.57°
Post a Comment
See the answer »

Soil Analysis

In sieve analysis, one of the first results measured is the % retained in each sieve of the total sample (W sieve / W total x 100%). If the illustrated sample indicates equal amounts of various sizes of aggregate, where most of the voids in such material will be filled with particles, which gradation term is used? A. Narrow gradation B. Gap gradation C. Dense gradation D. Open gradation E. Rich gradation
Post a Comment
See the answer »