Explore topic-wise MCQs in Waste Water Engineering.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Waste Water Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the denitrification rate for the following data?
Temperature: 10 degree Celsius

A. nDissolved oxygen: 10mg/L
B. t0.038 per day
C. t0.0038 per day
D. t0.38 per day
E. t3.8 per day
Answer» B. t0.038 per day
2.

What is the minimum temperature required for denitrification process?

A. t3 C
B. t5 C
C. t15 C
D. t30 C
Answer» C. t15 C
3.

What is the optimum pH for nitrosomonas?

A. t6.5-7.5
B. t7.5-8.5
C. t9.5-10.5
D. t13.5-14
Answer» C. t9.5-10.5
4.

What is the minimum amount of dissolved oxygen required for nitrification?

A. t0.5 mg/L
B. t1.0 mg/L
C. t1.5 mg/L
D. t2.0 mg/L
Answer» C. t1.5 mg/L
5.

What is the process for converting organic-nitrogen to ammonia?

A. tHydrolysis
B. tNitrification
C. tDenitrification
D. tOxidation
Answer» B. tNitrification