1 of 28
Definition
a. some gases have no odor b. some gases may deaden the sense of
smell c. some gases may displace the oxygen
Give this one a try later!
If an employee is guilty of Dangerous gases in a
misconduct as defined by the confined space may not be
utilities personnel policies, the detected with the physical
supervisor should senses because
What type of fire extinguisher would At a construction job site, as the
be used on an electrical control roadway speed increases, the
panel that has been de-energized? spacing barricades should
Don't know?
2 of 28
,Term
Distilled water used for the BOD analysis should not exceed mg/L
oxygen depletion.
Give this one a try later!
0.5 0.1
1.0 0.2
Don't know?
3 of 28
Term
Why is recirculation needed in a trickling filter?
Give this one a try later!
The manhole is completely watertight and tested for no leakage
Enrichment with nitrogen and phosphorous Causes algae blooms (b and c)
(All of the above) have a chlorine residual, have a previously been chlorinated,
have been subjected to high temperatures, contain high or low pH industrial
wastes
, Keep the media wet Further reduce BOD All of the above (a, b, and c)
Don't know?
4 of 28
Term
New horsepower required:
Give this one a try later!
750 x 170 - 50 3960 x 0.75 a. 43 750 x 150 - 43 3960 x 0.50 a. 43
750 x 170 - 43 3960 x 0.75 a.
750 x 160 - 43 3960 x 0.80 a. 43
43
Don't know?
5 of 28
Term
When laying bell and spigot wastewater
Give this one a try later!
Definition
a. some gases have no odor b. some gases may deaden the sense of
smell c. some gases may displace the oxygen
Give this one a try later!
If an employee is guilty of Dangerous gases in a
misconduct as defined by the confined space may not be
utilities personnel policies, the detected with the physical
supervisor should senses because
What type of fire extinguisher would At a construction job site, as the
be used on an electrical control roadway speed increases, the
panel that has been de-energized? spacing barricades should
Don't know?
2 of 28
,Term
Distilled water used for the BOD analysis should not exceed mg/L
oxygen depletion.
Give this one a try later!
0.5 0.1
1.0 0.2
Don't know?
3 of 28
Term
Why is recirculation needed in a trickling filter?
Give this one a try later!
The manhole is completely watertight and tested for no leakage
Enrichment with nitrogen and phosphorous Causes algae blooms (b and c)
(All of the above) have a chlorine residual, have a previously been chlorinated,
have been subjected to high temperatures, contain high or low pH industrial
wastes
, Keep the media wet Further reduce BOD All of the above (a, b, and c)
Don't know?
4 of 28
Term
New horsepower required:
Give this one a try later!
750 x 170 - 50 3960 x 0.75 a. 43 750 x 150 - 43 3960 x 0.50 a. 43
750 x 170 - 43 3960 x 0.75 a.
750 x 160 - 43 3960 x 0.80 a. 43
43
Don't know?
5 of 28
Term
When laying bell and spigot wastewater
Give this one a try later!
