When faced with a licensing exam, don't struggle with test anxiety! Use the question below and others from our Exam Study Guide series to properly study and prepare for exam questions. Take a look at this sample wastewater treatment licensing question along with an explanation of the correct answer.Sample question:What is the sludge volume index of a plant given the following information:MLSS 3250 mg/L
RMLSS 4250 mg/L
Settleometer: 5-minute reading, 950; 15-minutes reading, 780; 30-minute reading, 540;A) 127
B) 166
C) 183
D) 240Answer:
