Air Pollution and Noise Control Part 3 (LEHS Review Guide Test 7) (Reference Salvato)

The "Ozone Hole" was first noticed in: a. Antarctica b. the Arctic c. Canada d. Chile

a. Antarctica (pg. 59)

FCs are widely used because of their: a. chemical stability b. cost c. high toxicity d. atmospheric lifetime

a. chemical stability (pg. 64)

A major effect of stratospheric ozone layer depletion is: a. increase in incidence of non-melanoma skin cancer b. higher man temperature in the Northern Hemisphere c. increase in phytoplankton population d. increase rate of photosynthesis in plants

a. increase in incidence of non-melanoma skin cancer (pg. 60)

Which of the following types of materials are known to reflect sound? a. rubber tiles b. heavy drapes c. carpets with felt pads d. rugs

a. rubber tiles (pg. 839)

The Safe New Alternatives Policy program (SNAP): a. specifies alternatives for all ozone-depleting substances b. lists unacceptable alternatives to ozone-depleting substances c. considers only ozone depleting potential d. is based on global warming potential

a. specifies alternatives for all ozone-depleting substances (pg. 62)

The unit of measurement most commonly used to measure loudness is called: a. hertz b. phon c. decibel d. none of the above

b. phon (pg. 830)

The ratio of the energy passing through a wall, floor, or ceiling to the energy striking it is called: a. sound absorption b. sound transmission loss c. noise reduction d. all of the above

b. sound transmission loss (pg. 839)

The Montreal Protocol agrees to control the: a. use of CFC's b. use of all ozone depleting chemicals or substances c. production of ozone depleting chemicals or substances d. consumption of ozone depleting chemicals or substances

b. use of all ozone depleting chemicals or substances (pg. 62)

If 10 decibels is 10 times more intense than one decibel, how many times more intense is 20 decibels than one decibel? a. 20 b. 30 c. 100 d. 1000

c. 100 (pg. 830)

For workers, a sound level above ___________ dBA should be considered unsafe for daily exposure over a period of months. a. 80 b. 85 c. 90 d. all of the above

c. 90 (pg. 832)

Methyl bromide is used primarily as a: a. fertilizer b. herbicide c. pesticide d. fungicide

c. pesticide (pg. 84)

The most common type of noise measurement device used for initial surveys to provide rapid evaluation and identification of potential problem areas is the: a. octave-band analyzer b. noise dosimeter c. sound level meter d. sound analyzer

c. sound level meter (pg. 834)

__________ is considered to be the least damaging to the stratospheric ozone layer. a. CFCs b. methyl bromide c. halon d. HCFCs

d. HCFCs (pg. 70)

The major factors related to hearing loss are: a. time duration of exposure and repeated impact b. intensity of sound waves c. frequency content of sound d. all of the above

d. all of the above (pg. 832)

It is possible to control noise: a. at the source b. in its path of transmission c. where it is received d. all of the above

d. all of the above (pg. 836)

The first Federal standards for occupational exposure to noise were issued by: a. the Department of Transportation b. the Federal Aviation Administration c. the Department of Housing and Urban Development d. the Department of Labor

d. the Department of Labor (pg. 841)