Question 1

One of the least environmental concerns with incineration of waste is

Accepted Answer

A)   emission of dioxins
B)   particulate emissions
C)   heat addition to rivers
D)   metal concentrations in ash C

Question 2

One of the larger problems in municipal recycling programs is

Accepted Answer

A)   public awareness
B)   finding markets for materials
C)   net energy used in recycled material preparation
D)   declining number of landfills B

Question 3

A primary resource used for the production of alternate fuel for vehicles is

Accepted Answer

A)   biogas
B)   corn
C)   municipal solid waste
D)   wood products B

Question 4

Energy used for production of ethanol from corn is _____than the energy output.

Accepted Answer

A)   more
B)   less
C)   the same

Question 5

The largest component of municipal solid waste in the U.S. is

Accepted Answer

A)   glass
B)   plastics
C)   paper
D)   yard waste
E)   metals

Question 6

An efficient wood-burning stove has an advantage over an open fireplace primarily because

Accepted Answer

A)   combustion air intake is limited
B)   higher temperatures are reached
C)   creosote buildup is reduced
D)   most heat transfer occurs by radiation

Question 7

Anerobic digestion for biomass production takes place under conditions of

Accepted Answer

A)   no oxygen
B)   high temperatures
C)   strong acidity for dissolving waste

Exam 8: Biomass