- Tools used for rodding include all but the _.
a. lag screw
b. porcupine
c. root saw
d. square bar cork screw - Areas subject to higher than normal vandalism are usually _.
a. along heavily traveled streets
b. secluded, out of the way buildings
c. well-lighted, visible areas
d. none of the above - How does an emergency service crew try to remove a stoppage?
a. balling
b. flushing
c. hand rods
d. parachutes - The amount of oxygen that may become dissolved in a given amount of water is most related to _.
a. hardness
b. total dissolved solids
c. temperature
d. turbidity - The gas most commonly associated with septic wastewater is _.
a. carbon dioxide
b. carbon monoxide
c. hydrogen sulfide
d. methane
Answers:
- a
2. b
3. c
4. c
5. c