Question # $2$: : Answer with true or false:

Determination of types and quantities of pollutants released from a source per unit time known as emission rate.

$(2$;$9)$

To remove odor from wastewater treatment plants, common control device is biofilter.

For particles with diameter $5$ micrometer the suitable collection device to remove particles is ESPs.

$4$ Limestone use as reducing agent to remove SOx pollutants in power plant and large fumace.

Ammonia used to remove NOx emissions in coal power plant.

Vehicles powered by a combination of gasoline and electrical system known as hybrid vehicles.

Control of atmospheric emission consists of fuel switching $,$ process change and removal device.

s$.$ halocarbons characterized by their $O_3$ depleting potential.

$2$ Clean development mechanism assists countries in achieving compliance with emission limitation:

Accumulation mode is the process by which atmospheric particles grow in size as a result of collision. $x$

AQI measure $(PM,CO,N{O}_2,S{O}_4,O_3)$ concentrations and converted to a value on scale to determine air quality.

Kyoto protocol allows industrialized countries to invest in emission reductions where ever it is cheapest globally.

$13$ Particles in atmosphere similar in their chemical composition, size and behavior. $x$

$14$ Emissions from a number of small mobile or stationary sources in an urban area known as area sources

$1$s$.$ The advantage of scrubbers their ability to remove large quantities of particles pollutant.

The actual change in temperature with height is described adiabatic lapse rate and has a value of $-10\frac{C}{k}m.$

When the atmosphere stability condition is unstable; dispersion is relatively excellent.

Activated carbon used as adsorbent for removing polar gases.

The most common inertial collector is the cyclone.

$20$ Cost increase as removal efficiency of pollutants increase.