Q$1$: Please choose the most suitable answer in each of the following?

$1-$When the atmosphere stability condition is unstable; dispersion is relatively excelloat.

a$-$True

b$.$ False

$2.$ According to EPA of USA, the following is not one of the six major pollatants?

a$-$Ozone b$-$Carbon monoxide c$-$ Nitrogen oxides &$-$Carbon diaxide

$3-$ One of the following characterized by no potential for erone depletion:

a$.CFC{l}_3$

b$.CC{l}_4$

c$.C{F}_{3}Br$

d$-C{H}_3$CHO

c$.C{H}_{3}Cl$

$4-$ Noise and odor classified as $q,$ air pollution

a$-$ Outdoor

b$.$ Conventional

$5-$ Common adsor $q,$ c$.$ Texic

d$.$ non$-$conventionat $q,$

$6-$ Common ab B$-$iron oxide C$-$sodium fluoride D$-$silica gel D$-$Activated carbon

A$.HN{O}_3$

B$-$Alkaline water

$C-$NaOH

D$-$Soda ash

$7-$ Volatile organic compound $($VOCs$)$ with boiling point of $20$Cknown as

A$.$ VOCs

B$.$ semi VOCs

C$.$ very VOCs

D$.$ none VOCs

$8-$ Which of the following devices is suitable for WWTPs pollutants?

a$-$ESPs b$-$cyclone c$-$biofilter

$d-a+b,e-a+c$

$9-$ Carbon dioxides emissions can be controlled through:

$a-$ using lime b$-$using ammonia $c-$sequestration $d-$flaring $e-$ all are true

$10-$ Carbon monoxides emissions can be controlled through:

$a-$ using lime $,b-$using ammonia $c-$sequestration $d-$flaring $e-$all are true

$11-$ NOx emissions can be controlled through:

$a-$using lime $b-$using ammonia $c-$sequestration $d-$flaring $e-$all are true

$12-$ As removal efficiency of pollutants increase the cost decrease

a$-$True

b$-$ False

$13-$ Climate change is an example of $...q,$ air pollution problems

a$-$ local.

b$.$ regional

c$.$ continental

d$.$ urban

e$.$ global

$14-$ The problem associated with aerosols is :

a$-$corrosion

$b-$global warming

c$-$opacity

d$-$ all are true

$15-$ Fertilizer plants emissions can be removed by using:

A$.$ Fabric filter

B$-$Biofilter

C$-$ESPs

D$-$Incinerators