APES Ch. 13 Quiz

Which is an energy efficiency improvement?

• riding a bike

• adjusting the thermostat in a building

• using a power strip

• replacing incandescent bulbs with LEDs

Peak demand

• decreases electricity-generating capacity

• is caused by higher electricity prices.

• occurs only in early morning.

• can cause brownouts.

If an Energy Star refrigerator costs 2 cents less per hour to run, and if it runs for 16 hours a day, how much will it save in a year?

• $44

• $82

• $117

• $236

Which is NOT used in sustainable design in North America?

• Windows on the northern wall.

• Recycled building materials

• An overhanging roof

• Double-paned windows

Which energy source is NOT nondepletable?

• biomass

• wind

• solar

• tidal

Which is NOT a form of biomass?

• coal

• charcoal

• manure

• ethanol

A hydroelectric power plant's rate of electricity generation depends on

I. The flow rate of the water

II. The vertical distance the water falls

III. The amount of water behind the dam

• I only

• I and II only

• II only

• II and III only

Which is true of solid biofuels?

• Charcoal is the primary replacement when wood is scarce.

• Indoor air pollution from them results in millions of deaths annually.

• Switchgrass is a newly developed replacement for wood.

• The primary use of manure is as a heat source in developed nations.

Cellulosic ethanol is produced from

• corn.

• beets.

• sugarcane.

• switchgrass.

The most common method of hydroelectric generation is

• run-of-the-river.

• tidal.

• water impoundment.

• siltation.