You cannot treat a non$-$steady state problem as a steady state problem.

True

False

QUESTION $4$

Choose the pair of terms $x,y$ that would correctly complete the sentence:

$"$In a wastewater treatment plant, a x$\_]$ can reduce sensitivity to spikes while a can be the included to improve efficiency."

a$.x$: CMFR; $y$: PFR

b$.$ x: PFR; y: CMFR

QUESTION $5$

Which of these is NOT a criteria pollutant?

a$.CO2$

b$.$ PM$10$

c$.$ Lead

d$.$ Ozone