ENG437 Week 2

The standard measure for assessing lead in the atmosphere is

• measuring the 24 hour concentrations every 6 days and averaging over a year.

• averaging the daily concentrations over a year

• measuring the maximum concentrations over a six day period

Moist air is

• heavier than dry air at the same temperature

• lighter than air at the same temperature

• the same density as dry air at the same temperature

In the southern hemisphere wind moves around a LOW

• in a CLOCKWISE direction

• in an ANTI-CLOCKWISE direction

The Ozone layer is in the

• mesosphere

• troposphere

• stratosphere

• ionosphere

What does a PM10 filter measure?

• Particulate Matter less than 10 microns in size

• Photochemical smog

• Four times what PM2.5 measures

A cyclone can be used to remove

• Particulate matter

• Photochemical smog

• Aerosols

What is NOT a type of plume

• Looping

• Lofting

• Coning

• Fanning

• Rising

A commercial air purifier can remove 98% of aerosol borne viruses

• TRUE

• FASLSE

CALPUFF and AUSPLUME are accepted by the Tasmanian EPA for dispersion modelling

• TRUE

• FALSE

• NOT SURE

Carbon monoxide is a colourless, odourless, toxic gas.

• TRUE

• FALSE